✏️ Leetcode Solutions with Java

Update time: 2023-05-07 11:41:50

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DB#	UI#	Title	Source Code	Article	Difficulty
1	1	two-sum	Java	📝	Easy
2	2	add-two-numbers		📝	Medium
3	3	longest-substring-without-repeating-characters		📝	Medium
4	4	median-of-two-sorted-arrays	Java		Hard
5	5	longest-palindromic-substring		📝	Medium
6	6	zigzag-conversion	Java	📝	Medium
7	7	reverse-integer	Java	📝	Medium
8	8	string-to-integer-atoi		📝	Medium
9	9	palindrome-number	Java	📝	Easy
10	10	regular-expression-matching		📝	Hard
11	11	container-with-most-water	Java	📝	Medium
12	12	integer-to-roman		📝	Medium
13	13	roman-to-integer	Java	📝	Easy
14	14	longest-common-prefix	Java	📝	Easy
15	15	3sum	Java	📝	Medium
16	16	3sum-closest	Java	📝	Medium
17	17	letter-combinations-of-a-phone-number		📝	Medium
18	18	4sum	Java	📝	Medium
19	19	remove-nth-node-from-end-of-list		📝	Medium
20	20	valid-parentheses	Java	📝	Easy
21	21	merge-two-sorted-lists	Java	📝	Easy
22	22	generate-parentheses		📝	Medium
23	23	merge-k-sorted-lists		📝	Hard
24	24	swap-nodes-in-pairs	Java	📝	Medium
25	25	reverse-nodes-in-k-group		📝	Hard
26	26	remove-duplicates-from-sorted-array	Java	📝	Easy
27	27	remove-element	Java	📝	Easy
28	28	find-the-index-of-the-first-occurrence-in-a-string	Java	📝	Easy
29	29	divide-two-integers		📝	Medium
30	30	substring-with-concatenation-of-all-words		📝	Hard
31	31	next-permutation	Java	📝	Medium
32	32	longest-valid-parentheses		📝	Hard
33	33	search-in-rotated-sorted-array	Java	📝	Medium
34	34	find-first-and-last-position-of-element-in-sorted-array	Java	📝	Medium
35	35	search-insert-position	Java	📝	Easy
36	36	valid-sudoku	Java	📝	Medium
37	37	sudoku-solver		📝	Hard
38	38	count-and-say		📝	Medium
39	39	combination-sum	Java	📝	Medium
40	40	combination-sum-ii	Java	📝	Medium
41	41	first-missing-positive	Java	📝	Hard
42	42	trapping-rain-water	Java	📝	Hard
43	43	multiply-strings		📝	Medium
44	44	wildcard-matching		📝	Hard
45	45	jump-game-ii	Java	📝	Medium
46	46	permutations		📝	Medium
47	47	permutations-ii		📝	Medium
48	48	rotate-image	Java	📝	Medium
49	49	group-anagrams	Java	📝	Medium
50	50	powx-n		📝	Medium
51	51	n-queens		📝	Hard
52	52	n-queens-ii		📝	Hard
53	53	maximum-subarray	Java	📝	Medium
54	54	spiral-matrix	Java	📝	Medium
55	55	jump-game	Java	📝	Medium
56	56	merge-intervals	Java	📝	Medium
57	57	insert-interval	Java	📝	Medium
58	58	length-of-last-word	Java	📝	Easy
59	59	spiral-matrix-ii	Java	📝	Medium
60	60	permutation-sequence		📝	Hard
61	61	rotate-list		📝	Medium
62	62	unique-paths	Java	📝	Medium
63	63	unique-paths-ii	Java	📝	Medium
64	64	minimum-path-sum	Java	📝	Medium
65	65	valid-number	Java	📝	Hard
66	66	plus-one	Java	📝	Easy
67	67	add-binary	Java	📝	Easy
68	68	text-justification			Hard
69	69	sqrtx	Java	📝	Easy
70	70	climbing-stairs	Java	📝	Easy
71	71	simplify-path		📝	Medium
72	72	edit-distance	Java	📝	Hard
73	73	set-matrix-zeroes	Java	📝	Medium
74	74	search-a-2d-matrix	Java	📝	Medium
75	75	sort-colors	Java	📝	Medium
76	76	minimum-window-substring		📝	Hard
77	77	combinations		📝	Medium
78	78	subsets	Java	📝	Medium
79	79	word-search	Java	📝	Medium
80	80	remove-duplicates-from-sorted-array-ii	Java	📝	Medium
81	81	search-in-rotated-sorted-array-ii	Java	📝	Medium
82	82	remove-duplicates-from-sorted-list-ii		📝	Medium
83	83	remove-duplicates-from-sorted-list	Java	📝	Easy
84	84	largest-rectangle-in-histogram	Java	📝	Hard
85	85	maximal-rectangle	Java	📝	Hard
86	86	partition-list		📝	Medium
87	87	scramble-string		📝	Hard
88	88	merge-sorted-array	Java	📝	Easy
89	89	gray-code		📝	Medium
90	90	subsets-ii	Java	📝	Medium
91	91	decode-ways		📝	Medium
92	92	reverse-linked-list-ii		📝	Medium
93	93	restore-ip-addresses		📝	Medium
94	94	binary-tree-inorder-traversal		📝	Easy
95	95	unique-binary-search-trees-ii		📝	Medium
96	96	unique-binary-search-trees		📝	Medium
97	97	interleaving-string		📝	Medium
98	98	validate-binary-search-tree		📝	Medium
99	99	recover-binary-search-tree		📝	Medium
100	100	same-tree	Java	📝	Easy
101	101	symmetric-tree		📝	Easy
102	102	binary-tree-level-order-traversal		📝	Medium
103	103	binary-tree-zigzag-level-order-traversal		📝	Medium
104	104	maximum-depth-of-binary-tree	Java	📝	Easy
105	105	construct-binary-tree-from-preorder-and-inorder-traversal	Java	📝	Medium
106	106	construct-binary-tree-from-inorder-and-postorder-traversal	Java	📝	Medium
107	107	binary-tree-level-order-traversal-ii	Java	📝	Medium
108	108	convert-sorted-array-to-binary-search-tree	Java	📝	Easy
109	109	convert-sorted-list-to-binary-search-tree		📝	Medium
110	110	balanced-binary-tree		📝	Easy
111	111	minimum-depth-of-binary-tree		📝	Easy
112	112	path-sum		📝	Easy
113	113	path-sum-ii		📝	Medium
114	114	flatten-binary-tree-to-linked-list		📝	Medium
115	115	distinct-subsequences		📝	Hard
116	116	populating-next-right-pointers-in-each-node		📝	Medium
117	117	populating-next-right-pointers-in-each-node-ii		📝	Medium
118	118	pascals-triangle	Java	📝	Easy
119	119	pascals-triangle-ii	Java	📝	Easy
120	120	triangle	Java	📝	Medium
121	121	best-time-to-buy-and-sell-stock	Java	📝	Easy
122	122	best-time-to-buy-and-sell-stock-ii	Java	📝	Medium
123	123	best-time-to-buy-and-sell-stock-iii	Java	📝	Hard
124	124	binary-tree-maximum-path-sum	Java	📝	Hard
125	125	valid-palindrome		📝	Easy
126	126	word-ladder-ii	Java	📝	Hard
127	127	word-ladder		📝	Hard
128	128	longest-consecutive-sequence	Java	📝	Medium
129	129	sum-root-to-leaf-numbers		📝	Medium
130	130	surrounded-regions		📝	Medium
131	131	palindrome-partitioning		📝	Medium
132	132	palindrome-partitioning-ii		📝	Hard
133	133	clone-graph		📝	Medium
134	134	gas-station		📝	Medium
135	135	candy		📝	Hard
136	136	single-number	Java	📝	Easy
137	137	single-number-ii		📝	Medium
138	138	copy-list-with-random-pointer		📝	Medium
139	139	word-break		📝	Medium
140	140	word-break-ii		📝	Hard
141	141	linked-list-cycle	Java	📝	Easy
142	142	linked-list-cycle-ii		📝	Medium
143	143	reorder-list		📝	Medium
144	144	binary-tree-preorder-traversal		📝	Easy
145	145	binary-tree-postorder-traversal		📝	Easy
146	146	lru-cache	Java	📝	Medium
147	147	insertion-sort-list		📝	Medium
148	148	sort-list		📝	Medium
149	149	max-points-on-a-line		📝	Hard
150	150	evaluate-reverse-polish-notation		📝	Medium
151	151	reverse-words-in-a-string		📝	Medium
152	152	maximum-product-subarray	Java	📝	Medium
153	153	find-minimum-in-rotated-sorted-array	Java	📝	Medium
154	154	find-minimum-in-rotated-sorted-array-ii	Java	📝	Hard
155	155	min-stack	Java	📝	Medium
156	156	binary-tree-upside-down	🔒		Medium
157	157	read-n-characters-given-read4	🔒	📝	Easy
158	158	read-n-characters-given-read4-ii-call-multiple-times	🔒		Hard
159	159	longest-substring-with-at-most-two-distinct-characters	🔒	📝	Medium
160	160	intersection-of-two-linked-lists		📝	Easy
161	161	one-edit-distance	🔒	📝	Medium
162	162	find-peak-element	Java	📝	Medium
163	163	missing-ranges	🔒	📝	Easy
164	164	maximum-gap		📝	Hard
165	165	compare-version-numbers		📝	Medium
166	166	fraction-to-recurring-decimal		📝	Medium
167	167	two-sum-ii-input-array-is-sorted	Java	📝	Medium
168	168	excel-sheet-column-title	Java		Easy
169	169	majority-element	Java	📝	Easy
170	170	two-sum-iii-data-structure-design	🔒	📝	Easy
171	171	excel-sheet-column-number	Java	📝	Easy
172	172	factorial-trailing-zeroes		📝	Medium
173	173	binary-search-tree-iterator		📝	Medium
174	174	dungeon-game		📝	Hard
179	179	largest-number		📝	Medium
186	186	reverse-words-in-a-string-ii	🔒	📝	Medium
187	187	repeated-dna-sequences		📝	Medium
188	188	best-time-to-buy-and-sell-stock-iv		📝	Hard
189	189	rotate-array	Java	📝	Medium
190	190	reverse-bits		📝	Easy
191	191	number-of-1-bits	Java	📝	Easy
198	198	house-robber	Java	📝	Medium
199	199	binary-tree-right-side-view		📝	Medium
200	200	number-of-islands	Java	📝	Medium
201	201	bitwise-and-of-numbers-range	Java	📝	Medium
202	202	happy-number	Java	📝	Easy
203	203	remove-linked-list-elements		📝	Easy
204	204	count-primes	Java	📝	Medium
205	205	isomorphic-strings	Java	📝	Easy
206	206	reverse-linked-list	Java	📝	Easy
207	207	course-schedule	Java	📝	Medium
208	208	implement-trie-prefix-tree	Java	📝	Medium
209	209	minimum-size-subarray-sum	Java	📝	Medium
210	210	course-schedule-ii		📝	Medium
211	211	design-add-and-search-words-data-structure		📝	Medium
212	212	word-search-ii		📝	Hard
213	213	house-robber-ii		📝	Medium
214	214	shortest-palindrome		📝	Hard
215	215	kth-largest-element-in-an-array		📝	Medium
216	216	combination-sum-iii	Java	📝	Medium
217	217	contains-duplicate	Java	📝	Easy
218	218	the-skyline-problem		📝	Hard
219	219	contains-duplicate-ii	Java	📝	Easy
220	220	contains-duplicate-iii		📝	Hard
221	221	maximal-square	Java	📝	Medium
222	222	count-complete-tree-nodes		📝	Medium
223	223	rectangle-area		📝	Medium
224	224	basic-calculator		📝	Hard
225	225	implement-stack-using-queues		📝	Easy
226	226	invert-binary-tree	Java	📝	Easy
227	227	basic-calculator-ii		📝	Medium
228	228	summary-ranges	Java	📝	Easy
229	229	majority-element-ii	Java	📝	Medium
230	230	kth-smallest-element-in-a-bst	Java	📝	Medium
231	231	power-of-two	Java	📝	Easy
232	232	implement-queue-using-stacks		📝	Easy
233	233	number-of-digit-one		📝	Hard
234	234	palindrome-linked-list		📝	Easy
235	235	lowest-common-ancestor-of-a-binary-search-tree	Java	📝	Medium
236	236	lowest-common-ancestor-of-a-binary-tree		📝	Medium
237	237	delete-node-in-a-linked-list	Java	📝	Medium
238	238	product-of-array-except-self	Java	📝	Medium
239	239	sliding-window-maximum		📝	Hard
240	240	search-a-2d-matrix-ii		📝	Medium
241	241	different-ways-to-add-parentheses			Medium
242	242	valid-anagram	Java	📝	Easy
243	243	shortest-word-distance	🔒	📝	Easy
244	244	shortest-word-distance-ii	🔒	📝	Medium
245	245	shortest-word-distance-iii	🔒	📝	Medium
246	246	strobogrammatic-number	🔒	📝	Easy
247	247	strobogrammatic-number-ii	🔒	📝	Medium
248	248	strobogrammatic-number-iii	🔒		Hard
249	249	group-shifted-strings	🔒	📝	Medium
250	250	count-univalue-subtrees	🔒	📝	Medium
251	251	flatten-2d-vector	🔒	📝	Medium
252	252	meeting-rooms	🔒	📝	Easy
253	253	meeting-rooms-ii	🔒	📝	Medium
254	254	factor-combinations	🔒	📝	Medium
255	255	verify-preorder-sequence-in-binary-search-tree	🔒		Medium
256	256	paint-house	🔒	📝	Medium
257	257	binary-tree-paths		📝	Easy
258	258	add-digits	Java	📝	Easy
259	259	3sum-smaller	🔒	📝	Medium
260	260	single-number-iii		📝	Medium
261	261	graph-valid-tree	🔒	📝	Medium
263	263	ugly-number	Java	📝	Easy
264	264	ugly-number-ii	Java	📝	Medium
265	265	paint-house-ii	🔒	📝	Hard
266	266	palindrome-permutation	🔒	📝	Easy
267	267	palindrome-permutation-ii	🔒	📝	Medium
268	268	missing-number	Java	📝	Easy
269	269	alien-dictionary	🔒	📝	Hard
270	270	closest-binary-search-tree-value	🔒	📝	Easy
271	271	encode-and-decode-strings	🔒	📝	Medium
272	272	closest-binary-search-tree-value-ii	🔒	📝	Hard
273	273	integer-to-english-words	Java	📝	Hard
274	274	h-index		📝	Medium
275	275	h-index-ii		📝	Medium
276	276	paint-fence	🔒	📝	Medium
277	277	find-the-celebrity	🔒	📝	Medium
278	278	first-bad-version	Java	📝	Easy
279	279	perfect-squares		📝	Medium
280	280	wiggle-sort	🔒	📝	Medium
281	281	zigzag-iterator	🔒	📝	Medium
282	282	expression-add-operators		📝	Hard
283	283	move-zeroes	Java	📝	Easy
284	284	peeking-iterator		📝	Medium
285	285	inorder-successor-in-bst	🔒	📝	Medium
286	286	walls-and-gates	🔒	📝	Medium
287	287	find-the-duplicate-number	Java	📝	Medium
288	288	unique-word-abbreviation	🔒	📝	Medium
289	289	game-of-life	Java	📝	Medium
290	290	word-pattern	Java	📝	Easy
291	291	word-pattern-ii	🔒		Medium
292	292	nim-game	Java	📝	Easy
293	293	flip-game	🔒		Easy
294	294	flip-game-ii	🔒		Medium
295	295	find-median-from-data-stream		📝	Hard
296	296	best-meeting-point	🔒	📝	Hard
297	297	serialize-and-deserialize-binary-tree		📝	Hard
298	298	binary-tree-longest-consecutive-sequence	🔒	📝	Medium
299	299	bulls-and-cows		📝	Medium
300	300	longest-increasing-subsequence		📝	Medium
301	301	remove-invalid-parentheses		📝	Hard
302	302	smallest-rectangle-enclosing-black-pixels	🔒	📝	Hard
303	303	range-sum-query-immutable	Java	📝	Easy
304	304	range-sum-query-2d-immutable		📝	Medium
305	305	number-of-islands-ii	🔒	📝	Hard
306	306	additive-number			Medium
307	307	range-sum-query-mutable		📝	Medium
308	308	range-sum-query-2d-mutable	🔒	📝	Hard
309	309	best-time-to-buy-and-sell-stock-with-cooldown		📝	Medium
310	310	minimum-height-trees		📝	Medium
311	311	sparse-matrix-multiplication	🔒	📝	Medium
312	312	burst-balloons		📝	Hard
313	313	super-ugly-number			Medium
314	314	binary-tree-vertical-order-traversal	🔒	📝	Medium
315	315	count-of-smaller-numbers-after-self		📝	Hard
316	316	remove-duplicate-letters		📝	Medium
317	317	shortest-distance-from-all-buildings	🔒	📝	Hard
318	318	maximum-product-of-word-lengths		📝	Medium
319	319	bulb-switcher		📝	Medium
320	320	generalized-abbreviation	🔒	📝	Medium
321	321	create-maximum-number			Hard
322	322	coin-change		📝	Medium
323	323	number-of-connected-components-in-an-undirected-graph	🔒	📝	Medium
324	324	wiggle-sort-ii			Medium
325	325	maximum-size-subarray-sum-equals-k	🔒	📝	Medium
326	326	power-of-three	Java	📝	Easy
327	327	count-of-range-sum			Hard
328	328	odd-even-linked-list	Java	📝	Medium
329	329	longest-increasing-path-in-a-matrix		📝	Hard
330	330	patching-array		📝	Hard
331	331	verify-preorder-serialization-of-a-binary-tree		📝	Medium
332	332	reconstruct-itinerary		📝	Hard
333	333	largest-bst-subtree	🔒	📝	Medium
334	334	increasing-triplet-subsequence		📝	Medium
335	335	self-crossing			Hard
336	336	palindrome-pairs		📝	Hard
337	337	house-robber-iii		📝	Medium
338	338	counting-bits	Java	📝	Easy
339	339	nested-list-weight-sum	🔒	📝	Medium
340	340	longest-substring-with-at-most-k-distinct-characters	🔒	📝	Medium
341	341	flatten-nested-list-iterator		📝	Medium
342	342	power-of-four	Java	📝	Easy
343	343	integer-break			Medium
344	344	reverse-string	Java	📝	Easy
345	345	reverse-vowels-of-a-string	Java	📝	Easy
346	346	moving-average-from-data-stream	🔒	📝	Easy
347	347	top-k-frequent-elements		📝	Medium
348	348	design-tic-tac-toe	🔒	📝	Medium
349	349	intersection-of-two-arrays	Java	📝	Easy
350	350	intersection-of-two-arrays-ii	Java	📝	Easy
351	351	android-unlock-patterns	🔒	📝	Medium
352	352	data-stream-as-disjoint-intervals		📝	Hard
353	353	design-snake-game	🔒	📝	Medium
354	354	russian-doll-envelopes		📝	Hard
355	355	design-twitter			Medium
356	356	line-reflection	🔒		Medium
357	357	count-numbers-with-unique-digits			Medium
358	358	rearrange-string-k-distance-apart	🔒		Hard
359	359	logger-rate-limiter	🔒	📝	Easy
360	360	sort-transformed-array	🔒	📝	Medium
361	361	bomb-enemy	🔒	📝	Medium
362	362	design-hit-counter	🔒	📝	Medium
363	363	max-sum-of-rectangle-no-larger-than-k		📝	Hard
364	364	nested-list-weight-sum-ii	🔒	📝	Medium
365	365	water-and-jug-problem			Medium
366	366	find-leaves-of-binary-tree	🔒	📝	Medium
367	367	valid-perfect-square	Java	📝	Easy
368	368	largest-divisible-subset		📝	Medium
369	369	plus-one-linked-list	🔒	📝	Medium
370	370	range-addition	🔒	📝	Medium
371	371	sum-of-two-integers		📝	Medium
372	372	super-pow			Medium
373	373	find-k-pairs-with-smallest-sums		📝	Medium
374	374	guess-number-higher-or-lower		📝	Easy
375	375	guess-number-higher-or-lower-ii		📝	Medium
376	376	wiggle-subsequence		📝	Medium
377	377	combination-sum-iv		📝	Medium
378	378	kth-smallest-element-in-a-sorted-matrix		📝	Medium
379	379	design-phone-directory	🔒		Medium
380	380	insert-delete-getrandom-o1	Java	📝	Medium
381	381	insert-delete-getrandom-o1-duplicates-allowed	Java	📝	Hard
382	382	linked-list-random-node		📝	Medium
383	383	ransom-note	Java	📝	Easy
384	384	shuffle-an-array		📝	Medium
385	385	mini-parser			Medium
386	386	lexicographical-numbers			Medium
387	387	first-unique-character-in-a-string	Java	📝	Easy
388	388	longest-absolute-file-path			Medium
389	389	find-the-difference	Java	📝	Easy
390	390	elimination-game			Medium
391	391	perfect-rectangle			Hard
392	392	is-subsequence	Java	📝	Easy
393	393	utf-8-validation		📝	Medium
394	394	decode-string		📝	Medium
395	395	longest-substring-with-at-least-k-repeating-characters		📝	Medium
396	396	rotate-function			Medium
397	397	integer-replacement			Medium
398	398	random-pick-index		📝	Medium
399	399	evaluate-division		📝	Medium
400	400	nth-digit			Medium
401	401	binary-watch			Easy
402	402	remove-k-digits	Java	📝	Medium
403	403	frog-jump		📝	Hard
404	404	sum-of-left-leaves	Java	📝	Easy
405	405	convert-a-number-to-hexadecimal			Easy
406	406	queue-reconstruction-by-height	Java	📝	Medium
407	407	trapping-rain-water-ii			Hard
408	408	valid-word-abbreviation	🔒		Easy
409	409	longest-palindrome	Java	📝	Easy
410	410	split-array-largest-sum		📝	Hard
411	411	minimum-unique-word-abbreviation	🔒		Hard
412	412	fizz-buzz	Java	📝	Easy
413	413	arithmetic-slices		📝	Medium
414	414	third-maximum-number	Java	📝	Easy
415	415	add-strings		📝	Easy
416	416	partition-equal-subset-sum		📝	Medium
417	417	pacific-atlantic-water-flow		📝	Medium
418	418	sentence-screen-fitting	🔒		Medium
419	419	battleships-in-a-board			Medium
420	420	strong-password-checker			Hard
421	421	maximum-xor-of-two-numbers-in-an-array		📝	Medium
422	422	valid-word-square	🔒	📝	Easy
423	423	reconstruct-original-digits-from-english		📝	Medium
424	424	longest-repeating-character-replacement		📝	Medium
425	425	word-squares	🔒	📝	Hard
432	432	all-oone-data-structure			Hard
433	433	minimum-genetic-mutation		📝	Medium
434	434	number-of-segments-in-a-string		📝	Easy
435	435	non-overlapping-intervals		📝	Medium
436	436	find-right-interval		📝	Medium
437	437	path-sum-iii		📝	Medium
438	438	find-all-anagrams-in-a-string	Java	📝	Medium
439	439	ternary-expression-parser	🔒		Medium
440	440	k-th-smallest-in-lexicographical-order			Hard
441	441	arranging-coins	Java	📝	Easy
442	442	find-all-duplicates-in-an-array	Java	📝	Medium
443	443	string-compression		📝	Medium
444	444	sequence-reconstruction	🔒		Medium
445	445	add-two-numbers-ii		📝	Medium
446	446	arithmetic-slices-ii-subsequence		📝	Hard
447	447	number-of-boomerangs	Java		Medium
448	448	find-all-numbers-disappeared-in-an-array	Java	📝	Easy
449	449	serialize-and-deserialize-bst		📝	Medium
450	450	delete-node-in-a-bst		📝	Medium
451	451	sort-characters-by-frequency	Java	📝	Medium
452	452	minimum-number-of-arrows-to-burst-balloons		📝	Medium
453	453	minimum-moves-to-equal-array-elements	Java	📝	Medium
454	454	4sum-ii		📝	Medium
455	455	assign-cookies	Java		Easy
456	456	132-pattern		📝	Medium
457	457	circular-array-loop			Medium
458	458	poor-pigs		📝	Hard
459	459	repeated-substring-pattern		📝	Easy
460	460	lfu-cache		📝	Hard
461	461	hamming-distance	Java	📝	Easy
462	462	minimum-moves-to-equal-array-elements-ii		📝	Medium
463	463	island-perimeter	Java	📝	Easy
464	464	can-i-win			Medium
465	465	optimal-account-balancing	🔒		Hard
466	466	count-the-repetitions		📝	Hard
467	467	unique-substrings-in-wraparound-string			Medium
468	468	validate-ip-address		📝	Medium
469	469	convex-polygon	🔒		Medium
471	471	encode-string-with-shortest-length	🔒		Hard
472	472	concatenated-words		📝	Hard
473	473	matchsticks-to-square		📝	Medium
474	474	ones-and-zeroes		📝	Medium
475	475	heaters			Medium
476	476	number-complement	Java	📝	Easy
477	477	total-hamming-distance		📝	Medium
479	479	largest-palindrome-product			Hard
480	480	sliding-window-median		📝	Hard
481	481	magical-string			Medium
482	482	license-key-formatting		📝	Easy
483	483	smallest-good-base			Hard
484	484	find-permutation	🔒	📝	Medium
485	485	max-consecutive-ones	Java	📝	Easy
486	486	predict-the-winner		📝	Medium
487	487	max-consecutive-ones-ii	🔒	📝	Medium
488	488	zuma-game			Hard
489	1643	kth-smallest-instructions			Hard
490	490	the-maze	🔒	📝	Medium
491	491	non-decreasing-subsequences		📝	Medium
492	492	construct-the-rectangle			Easy
493	493	reverse-pairs		📝	Hard
494	494	target-sum		📝	Medium
495	495	teemo-attacking	Java	📝	Easy
496	496	next-greater-element-i	Java	📝	Easy
498	498	diagonal-traverse		📝	Medium
499	499	the-maze-iii	🔒		Hard
500	500	keyboard-row	Java		Easy
501	501	find-mode-in-binary-search-tree			Easy
502	502	ipo		📝	Hard
503	503	next-greater-element-ii		📝	Medium
504	504	base-7			Easy
505	505	the-maze-ii	🔒	📝	Medium
506	506	relative-ranks	Java		Easy
507	507	perfect-number		📝	Easy
508	508	most-frequent-subtree-sum		📝	Medium
509	510	inorder-successor-in-bst-ii	🔒	📝	Medium
510	2031	count-subarrays-with-more-ones-than-zeros	🔒		Medium
511	1059	all-paths-from-source-lead-to-destination	🔒	📝	Medium
512	2036	maximum-alternating-subarray-sum	🔒		Medium
513	513	find-bottom-left-tree-value			Medium
514	514	freedom-trail			Hard
515	515	find-largest-value-in-each-tree-row			Medium
516	516	longest-palindromic-subsequence		📝	Medium
517	517	super-washing-machines		📝	Hard
518	518	coin-change-ii	Java	📝	Medium
519	1983	widest-pair-of-indices-with-equal-range-sum	🔒		Medium
520	520	detect-capital	Java	📝	Easy
521	521	longest-uncommon-subsequence-i		📝	Easy
522	522	longest-uncommon-subsequence-ii		📝	Medium
523	523	continuous-subarray-sum		📝	Medium
524	524	longest-word-in-dictionary-through-deleting		📝	Medium
525	525	contiguous-array	Java	📝	Medium
526	526	beautiful-arrangement		📝	Medium
527	527	word-abbreviation	🔒	📝	Hard
528	1721	swapping-nodes-in-a-linked-list		📝	Medium
529	529	minesweeper			Medium
530	530	minimum-absolute-difference-in-bst	Java	📝	Easy
531	531	lonely-pixel-i	🔒	📝	Medium
532	532	k-diff-pairs-in-an-array	Java	📝	Medium
533	533	lonely-pixel-ii	🔒		Medium
535	535	encode-and-decode-tinyurl	Java	📝	Medium
536	536	construct-binary-tree-from-string	🔒	📝	Medium
537	537	complex-number-multiplication		📝	Medium
538	538	convert-bst-to-greater-tree		📝	Medium
539	539	minimum-time-difference			Medium
540	540	single-element-in-a-sorted-array	Java	📝	Medium
541	541	reverse-string-ii		📝	Easy
542	542	01-matrix		📝	Medium
543	543	diameter-of-binary-tree	Java	📝	Easy
544	544	output-contest-matches	🔒	📝	Medium
545	545	boundary-of-binary-tree	🔒	📝	Medium
546	546	remove-boxes		📝	Hard
547	547	number-of-provinces		📝	Medium
548	548	split-array-with-equal-sum	🔒	📝	Hard
549	549	binary-tree-longest-consecutive-sequence-ii	🔒	📝	Medium
550	1730	shortest-path-to-get-food	🔒		Medium
551	551	student-attendance-record-i		📝	Easy
552	552	student-attendance-record-ii		📝	Hard
553	553	optimal-division		📝	Medium
554	554	brick-wall		📝	Medium
555	555	split-concatenated-strings	🔒	📝	Medium
556	556	next-greater-element-iii		📝	Medium
557	557	reverse-words-in-a-string-iii	Java	📝	Easy
560	560	subarray-sum-equals-k	Java	📝	Medium
561	561	array-partition	Java	📝	Easy
562	562	longest-line-of-consecutive-one-in-matrix	🔒	📝	Medium
563	563	binary-tree-tilt		📝	Easy
564	564	find-the-closest-palindrome		📝	Hard
565	565	array-nesting		📝	Medium
566	566	reshape-the-matrix	Java	📝	Easy
567	567	permutation-in-string	Java	📝	Medium
568	568	maximum-vacation-days	🔒	📝	Hard
572	572	subtree-of-another-tree		📝	Easy
573	573	squirrel-simulation	🔒	📝	Medium
575	575	distribute-candies	Java	📝	Easy
576	576	out-of-boundary-paths		📝	Medium
581	581	shortest-unsorted-continuous-subarray	Java	📝	Medium
582	582	kill-process	🔒	📝	Medium
583	583	delete-operation-for-two-strings		📝	Medium
587	587	erect-the-fence		📝	Hard
588	588	design-in-memory-file-system	🔒	📝	Hard
591	591	tag-validator		📝	Hard
592	592	fraction-addition-and-subtraction		📝	Medium
593	593	valid-square		📝	Medium
594	594	longest-harmonious-subsequence		📝	Easy
598	598	range-addition-ii		📝	Easy
599	599	minimum-index-sum-of-two-lists		📝	Easy
600	600	non-negative-integers-without-consecutive-ones		📝	Hard
604	604	design-compressed-string-iterator	🔒	📝	Easy
605	605	can-place-flowers	Java	📝	Easy
606	606	construct-string-from-binary-tree		📝	Easy
609	609	find-duplicate-file-in-system		📝	Medium
611	611	valid-triangle-number		📝	Medium
616	616	add-bold-tag-in-string	🔒	📝	Medium
617	617	merge-two-binary-trees	Java	📝	Easy
621	621	task-scheduler		📝	Medium
623	623	add-one-row-to-tree		📝	Medium
624	624	maximum-distance-in-arrays	🔒	📝	Medium
625	625	minimum-factorization	🔒	📝	Medium
628	628	maximum-product-of-three-numbers	Java	📝	Easy
629	629	k-inverse-pairs-array		📝	Hard
630	630	course-schedule-iii		📝	Hard
631	631	design-excel-sum-formula	🔒	📝	Hard
632	632	smallest-range-covering-elements-from-k-lists		📝	Hard
633	633	sum-of-square-numbers		📝	Medium
634	634	find-the-derangement-of-an-array	🔒	📝	Medium
635	635	design-log-storage-system	🔒	📝	Medium
636	636	exclusive-time-of-functions		📝	Medium
637	637	average-of-levels-in-binary-tree	Java	📝	Easy
638	638	shopping-offers		📝	Medium
639	639	decode-ways-ii		📝	Hard
640	640	solve-the-equation		📝	Medium
642	642	design-search-autocomplete-system	🔒	📝	Hard
643	643	maximum-average-subarray-i	Java	📝	Easy
644	644	maximum-average-subarray-ii	🔒	📝	Hard
645	645	set-mismatch		📝	Easy
646	646	maximum-length-of-pair-chain		📝	Medium
647	647	palindromic-substrings		📝	Medium
648	648	replace-words		📝	Medium
649	649	dota2-senate		📝	Medium
650	650	2-keys-keyboard		📝	Medium
651	651	4-keys-keyboard	🔒	📝	Medium
652	652	find-duplicate-subtrees		📝	Medium
653	653	two-sum-iv-input-is-a-bst	Java	📝	Easy
654	654	maximum-binary-tree	Java	📝	Medium
655	655	print-binary-tree		📝	Medium
656	656	coin-path	🔒	📝	Hard
657	657	robot-return-to-origin	Java	📝	Easy
658	658	find-k-closest-elements		📝	Medium
659	659	split-array-into-consecutive-subsequences		📝	Medium
660	660	remove-9	🔒	📝	Hard
661	661	image-smoother	Java	📝	Easy
662	662	maximum-width-of-binary-tree	Java	📝	Medium
663	663	equal-tree-partition	🔒	📝	Medium
664	664	strange-printer		📝	Hard
665	665	non-decreasing-array	Java	📝	Medium
666	666	path-sum-iv	🔒	📝	Medium
667	667	beautiful-arrangement-ii		📝	Medium
668	668	kth-smallest-number-in-multiplication-table		📝	Hard
669	669	trim-a-binary-search-tree	Java	📝	Medium
670	670	maximum-swap		📝	Medium
671	671	second-minimum-node-in-a-binary-tree		📝	Easy
672	672	bulb-switcher-ii		📝	Medium
673	673	number-of-longest-increasing-subsequence		📝	Medium
674	674	longest-continuous-increasing-subsequence	Java	📝	Easy
675	675	cut-off-trees-for-golf-event		📝	Hard
676	676	implement-magic-dictionary		📝	Medium
677	677	map-sum-pairs		📝	Medium
678	678	valid-parenthesis-string	Java	📝	Medium
679	679	24-game		📝	Hard
680	680	valid-palindrome-ii		📝	Easy
681	681	next-closest-time	🔒	📝	Medium
682	682	baseball-game	Java	📝	Easy
683	683	k-empty-slots	🔒	📝	Hard
684	684	redundant-connection		📝	Medium
685	685	redundant-connection-ii		📝	Hard
686	686	repeated-string-match	Java	📝	Medium
687	687	longest-univalue-path		📝	Medium
688	688	knight-probability-in-chessboard		📝	Medium
689	689	maximum-sum-of-3-non-overlapping-subarrays		📝	Hard
690	690	employee-importance		📝	Medium
691	691	stickers-to-spell-word		📝	Hard
692	692	top-k-frequent-words		📝	Medium
693	693	binary-number-with-alternating-bits	Java	📝	Easy
694	694	number-of-distinct-islands	🔒	📝	Medium
695	695	max-area-of-island		📝	Medium
696	696	count-binary-substrings	Java	📝	Easy
697	697	degree-of-an-array	Java	📝	Easy
698	698	partition-to-k-equal-sum-subsets		📝	Medium
699	699	falling-squares		📝	Hard
711	711	number-of-distinct-islands-ii	🔒	📝	Hard
712	712	minimum-ascii-delete-sum-for-two-strings		📝	Medium
713	713	subarray-product-less-than-k		📝	Medium
714	714	best-time-to-buy-and-sell-stock-with-transaction-fee		📝	Medium
715	715	range-module		📝	Hard
716	716	max-stack	🔒	📝	Hard
717	717	1-bit-and-2-bit-characters	Java	📝	Easy
718	718	maximum-length-of-repeated-subarray		📝	Medium
719	719	find-k-th-smallest-pair-distance		📝	Hard
720	720	longest-word-in-dictionary		📝	Medium
721	721	accounts-merge		📝	Medium
722	722	remove-comments		📝	Medium
723	723	candy-crush	🔒	📝	Medium
724	724	find-pivot-index	Java	📝	Easy
725	725	split-linked-list-in-parts		📝	Medium
726	726	number-of-atoms		📝	Hard
727	727	minimum-window-subsequence	🔒	📝	Hard
728	728	self-dividing-numbers	Java	📝	Easy
729	729	my-calendar-i		📝	Medium
730	730	count-different-palindromic-subsequences		📝	Hard
731	731	my-calendar-ii		📝	Medium
732	732	my-calendar-iii		📝	Hard
733	733	flood-fill	Java	📝	Easy
734	734	sentence-similarity	🔒	📝	Easy
735	735	asteroid-collision		📝	Medium
736	736	parse-lisp-expression		📝	Hard
737	737	sentence-similarity-ii	🔒	📝	Medium
738	738	monotone-increasing-digits		📝	Medium
739	739	daily-temperatures		📝	Medium
740	740	delete-and-earn		📝	Medium
741	741	cherry-pickup		📝	Hard
742	709	to-lower-case	Java	📝	Easy
743	742	closest-leaf-in-a-binary-tree	🔒	📝	Medium
744	743	network-delay-time		📝	Medium
745	744	find-smallest-letter-greater-than-target		📝	Easy
746	745	prefix-and-suffix-search		📝	Hard
747	746	min-cost-climbing-stairs	Java	📝	Easy
748	747	largest-number-at-least-twice-of-others	Java	📝	Easy
749	748	shortest-completing-word		📝	Easy
750	749	contain-virus		📝	Hard
751	750	number-of-corner-rectangles	🔒	📝	Medium
752	751	ip-to-cidr	🔒	📝	Medium
753	752	open-the-lock		📝	Medium
754	753	cracking-the-safe		📝	Hard
755	754	reach-a-number		📝	Medium
756	755	pour-water	🔒	📝	Medium
757	756	pyramid-transition-matrix		📝	Medium
758	426	convert-binary-search-tree-to-sorted-doubly-linked-list	🔒	📝	Medium
759	757	set-intersection-size-at-least-two		📝	Hard
760	758	bold-words-in-string	🔒	📝	Medium
761	759	employee-free-time	🔒	📝	Hard
762	760	find-anagram-mappings	🔒	📝	Easy
763	761	special-binary-string		📝	Hard
764	429	n-ary-tree-level-order-traversal		📝	Medium
765	428	serialize-and-deserialize-n-ary-tree	🔒	📝	Hard
766	430	flatten-a-multilevel-doubly-linked-list		📝	Medium
767	762	prime-number-of-set-bits-in-binary-representation	Java	📝	Easy
768	763	partition-labels		📝	Medium
769	764	largest-plus-sign		📝	Medium
770	765	couples-holding-hands		📝	Hard
771	431	encode-n-ary-tree-to-binary-tree	🔒	📝	Hard
772	427	construct-quad-tree		📝	Medium
773	558	logical-or-of-two-binary-grids-represented-as-quad-trees			Medium
774	559	maximum-depth-of-n-ary-tree	Java	📝	Easy
775	589	n-ary-tree-preorder-traversal	Java	📝	Easy
776	590	n-ary-tree-postorder-traversal	Java	📝	Easy
777	766	toeplitz-matrix	Java	📝	Easy
778	767	reorganize-string		📝	Medium
779	768	max-chunks-to-make-sorted-ii		📝	Hard
780	769	max-chunks-to-make-sorted		📝	Medium
781	770	basic-calculator-iv		📝	Hard
782	771	jewels-and-stones	Java	📝	Easy
783	700	search-in-a-binary-search-tree	Java	📝	Easy
784	701	insert-into-a-binary-search-tree	Java	📝	Medium
785	772	basic-calculator-iii	🔒		Hard
786	702	search-in-a-sorted-array-of-unknown-size	🔒	📝	Medium
787	773	sliding-puzzle		📝	Hard
788	774	minimize-max-distance-to-gas-station	🔒	📝	Hard
789	703	kth-largest-element-in-a-stream		📝	Easy
790	775	global-and-local-inversions		📝	Medium
791	776	split-bst	🔒	📝	Medium
792	704	binary-search		📝	Easy
793	777	swap-adjacent-in-lr-string		📝	Medium
794	778	swim-in-rising-water		📝	Hard
795	779	k-th-symbol-in-grammar		📝	Medium
796	780	reaching-points		📝	Hard
797	781	rabbits-in-forest		📝	Medium
798	782	transform-to-chessboard		📝	Hard
799	783	minimum-distance-between-bst-nodes		📝	Easy
800	784	letter-case-permutation	Java	📝	Medium
801	785	is-graph-bipartite		📝	Medium
802	786	k-th-smallest-prime-fraction		📝	Medium
803	787	cheapest-flights-within-k-stops		📝	Medium
804	788	rotated-digits	Java	📝	Medium
805	789	escape-the-ghosts		📝	Medium
806	790	domino-and-tromino-tiling		📝	Medium
807	791	custom-sort-string		📝	Medium
808	792	number-of-matching-subsequences		📝	Medium
809	793	preimage-size-of-factorial-zeroes-function		📝	Hard
810	794	valid-tic-tac-toe-state		📝	Medium
811	795	number-of-subarrays-with-bounded-maximum		📝	Medium
812	796	rotate-string		📝	Easy
813	797	all-paths-from-source-to-target		📝	Medium
814	798	smallest-rotation-with-highest-score		📝	Hard
815	799	champagne-tower		📝	Medium
816	705	design-hashset		📝	Easy
817	706	design-hashmap		📝	Easy
818	800	similar-rgb-color	🔒	📝	Easy
819	801	minimum-swaps-to-make-sequences-increasing		📝	Hard
820	802	find-eventual-safe-states		📝	Medium
821	803	bricks-falling-when-hit		📝	Hard
822	804	unique-morse-code-words	Java	📝	Easy
823	805	split-array-with-same-average		📝	Hard
824	806	number-of-lines-to-write-string	Java	📝	Easy
825	807	max-increase-to-keep-city-skyline	Java	📝	Medium
826	808	soup-servings		📝	Medium
827	809	expressive-words		📝	Medium
828	810	chalkboard-xor-game		📝	Hard
829	811	subdomain-visit-count	Java	📝	Medium
830	812	largest-triangle-area		📝	Easy
831	813	largest-sum-of-averages		📝	Medium
832	814	binary-tree-pruning		📝	Medium
833	815	bus-routes		📝	Hard
834	816	ambiguous-coordinates		📝	Medium
835	817	linked-list-components		📝	Medium
836	818	race-car		📝	Hard
837	819	most-common-word		📝	Easy
838	707	design-linked-list		📝	Medium
839	820	short-encoding-of-words		📝	Medium
841	821	shortest-distance-to-a-character	Java	📝	Easy
842	822	card-flipping-game		📝	Medium
843	823	binary-trees-with-factors		📝	Medium
850	708	insert-into-a-sorted-circular-linked-list	🔒	📝	Medium
851	824	goat-latin	Java	📝	Easy
852	825	friends-of-appropriate-ages		📝	Medium
853	826	most-profit-assigning-work		📝	Medium
854	827	making-a-large-island		📝	Hard
855	828	count-unique-characters-of-all-substrings-of-a-given-string		📝	Hard
856	829	consecutive-numbers-sum		📝	Hard
857	830	positions-of-large-groups	Java	📝	Easy
858	831	masking-personal-information		📝	Medium
859	641	design-circular-deque			Medium
860	622	design-circular-queue		📝	Medium
861	832	flipping-an-image	Java	📝	Easy
862	833	find-and-replace-in-string		📝	Medium
863	834	sum-of-distances-in-tree		📝	Hard
864	835	image-overlap		📝	Medium
865	489	robot-room-cleaner	🔒	📝	Hard
866	836	rectangle-overlap	Java	📝	Easy
867	837	new-21-game		📝	Medium
868	838	push-dominoes		📝	Medium
869	839	similar-string-groups		📝	Hard
870	840	magic-squares-in-grid	Java	📝	Medium
871	841	keys-and-rooms		📝	Medium
872	842	split-array-into-fibonacci-sequence		📝	Medium
873	843	guess-the-word			Hard
874	844	backspace-string-compare	Java	📝	Easy
875	845	longest-mountain-in-array		📝	Medium
876	846	hand-of-straights		📝	Medium
877	847	shortest-path-visiting-all-nodes		📝	Hard
878	848	shifting-letters		📝	Medium
879	849	maximize-distance-to-closest-person	Java	📝	Medium
880	850	rectangle-area-ii		📝	Hard
881	851	loud-and-rich		📝	Medium
882	852	peak-index-in-a-mountain-array	Java	📝	Medium
883	853	car-fleet		📝	Medium
884	854	k-similar-strings		📝	Hard
885	855	exam-room		📝	Medium
886	856	score-of-parentheses		📝	Medium
887	857	minimum-cost-to-hire-k-workers		📝	Hard
888	858	mirror-reflection		📝	Medium
889	859	buddy-strings	Java	📝	Easy
890	860	lemonade-change	Java	📝	Easy
891	861	score-after-flipping-matrix		📝	Medium
892	862	shortest-subarray-with-sum-at-least-k		📝	Hard
893	863	all-nodes-distance-k-in-binary-tree		📝	Medium
894	710	random-pick-with-blacklist		📝	Hard
895	864	shortest-path-to-get-all-keys		📝	Hard
896	865	smallest-subtree-with-all-the-deepest-nodes		📝	Medium
897	866	prime-palindrome		📝	Medium
898	867	transpose-matrix	Java	📝	Easy
899	868	binary-gap	Java	📝	Easy
900	869	reordered-power-of-2		📝	Medium
901	870	advantage-shuffle		📝	Medium
902	871	minimum-number-of-refueling-stops		📝	Hard
903	470	implement-rand10-using-rand7		📝	Medium
904	872	leaf-similar-trees	Java	📝	Easy
905	873	length-of-longest-fibonacci-subsequence		📝	Medium
906	874	walking-robot-simulation		📝	Medium
907	875	koko-eating-bananas		📝	Medium
908	876	middle-of-the-linked-list	Java	📝	Easy
909	877	stone-game		📝	Medium
910	878	nth-magical-number		📝	Hard
911	879	profitable-schemes		📝	Hard
912	528	random-pick-with-weight	Java	📝	Medium
913	519	random-flip-matrix		📝	Medium
914	497	random-point-in-non-overlapping-rectangles		📝	Medium
915	478	generate-random-point-in-a-circle		📝	Medium
916	880	decoded-string-at-index		📝	Medium
917	881	boats-to-save-people		📝	Medium
918	882	reachable-nodes-in-subdivided-graph		📝	Hard
919	883	projection-area-of-3d-shapes	Java	📝	Easy
920	884	uncommon-words-from-two-sentences	Java	📝	Easy
921	885	spiral-matrix-iii		📝	Medium
922	886	possible-bipartition	Java	📝	Medium
923	887	super-egg-drop		📝	Hard
924	888	fair-candy-swap	Java	📝	Easy
925	889	construct-binary-tree-from-preorder-and-postorder-traversal		📝	Medium
926	890	find-and-replace-pattern		📝	Medium
927	891	sum-of-subsequence-widths		📝	Hard
928	892	surface-area-of-3d-shapes	Java	📝	Easy
929	893	groups-of-special-equivalent-strings	Java	📝	Medium
930	894	all-possible-full-binary-trees		📝	Medium
931	895	maximum-frequency-stack		📝	Hard
932	896	monotonic-array	Java	📝	Easy
933	897	increasing-order-search-tree	Java	📝	Easy
934	898	bitwise-ors-of-subarrays		📝	Medium
935	899	orderly-queue		📝	Hard
936	900	rle-iterator		📝	Medium
937	901	online-stock-span	Java	📝	Medium
938	902	numbers-at-most-n-given-digit-set		📝	Hard
939	903	valid-permutations-for-di-sequence		📝	Hard
940	904	fruit-into-baskets		📝	Medium
941	905	sort-array-by-parity	Java	📝	Easy
942	906	super-palindromes		📝	Hard
943	907	sum-of-subarray-minimums		📝	Medium
944	908	smallest-range-i	Java	📝	Easy
945	909	snakes-and-ladders		📝	Medium
946	910	smallest-range-ii		📝	Medium
947	911	online-election		📝	Medium
948	912	sort-an-array		📝	Medium
949	913	cat-and-mouse		📝	Hard
950	914	x-of-a-kind-in-a-deck-of-cards	Java	📝	Easy
951	915	partition-array-into-disjoint-intervals		📝	Medium
952	916	word-subsets		📝	Medium
953	917	reverse-only-letters	Java	📝	Easy
954	918	maximum-sum-circular-subarray	Java	📝	Medium
955	919	complete-binary-tree-inserter		📝	Medium
956	920	number-of-music-playlists		📝	Hard
957	921	minimum-add-to-make-parentheses-valid		📝	Medium
958	922	sort-array-by-parity-ii	Java	📝	Easy
959	923	3sum-with-multiplicity		📝	Medium
960	924	minimize-malware-spread		📝	Hard
961	925	long-pressed-name	Java	📝	Easy
962	926	flip-string-to-monotone-increasing		📝	Medium
963	927	three-equal-parts		📝	Hard
964	928	minimize-malware-spread-ii		📝	Hard
965	929	unique-email-addresses	Java	📝	Easy
966	930	binary-subarrays-with-sum		📝	Medium
967	931	minimum-falling-path-sum		📝	Medium
968	932	beautiful-array		📝	Medium
969	933	number-of-recent-calls	Java	📝	Easy
971	934	shortest-bridge		📝	Medium
972	935	knight-dialer		📝	Medium
973	936	stamping-the-sequence		📝	Hard
974	937	reorder-data-in-log-files	Java	📝	Medium
975	938	range-sum-of-bst	Java	📝	Easy
976	939	minimum-area-rectangle		📝	Medium
977	940	distinct-subsequences-ii		📝	Hard
978	941	valid-mountain-array	Java	📝	Easy
979	942	di-string-match	Java	📝	Easy
980	943	find-the-shortest-superstring		📝	Hard
981	944	delete-columns-to-make-sorted	Java	📝	Easy
982	945	minimum-increment-to-make-array-unique		📝	Medium
983	946	validate-stack-sequences		📝	Medium
984	947	most-stones-removed-with-same-row-or-column		📝	Medium
985	948	bag-of-tokens		📝	Medium
986	949	largest-time-for-given-digits		📝	Medium
987	950	reveal-cards-in-increasing-order		📝	Medium
988	951	flip-equivalent-binary-trees		📝	Medium
989	952	largest-component-size-by-common-factor		📝	Hard
990	953	verifying-an-alien-dictionary	Java	📝	Easy
991	954	array-of-doubled-pairs		📝	Medium
992	955	delete-columns-to-make-sorted-ii		📝	Medium
993	956	tallest-billboard		📝	Hard
994	957	prison-cells-after-n-days	Java	📝	Medium
998	958	check-completeness-of-a-binary-tree		📝	Medium
999	959	regions-cut-by-slashes		📝	Medium
1000	960	delete-columns-to-make-sorted-iii		📝	Hard
1001	961	n-repeated-element-in-size-2n-array	Java	📝	Easy
1002	962	maximum-width-ramp		📝	Medium
1003	963	minimum-area-rectangle-ii		📝	Medium
1004	964	least-operators-to-express-number		📝	Hard
1005	965	univalued-binary-tree	Java	📝	Easy
1006	966	vowel-spellchecker		📝	Medium
1007	967	numbers-with-same-consecutive-differences		📝	Medium
1008	968	binary-tree-cameras		📝	Hard
1009	969	pancake-sorting		📝	Medium
1010	970	powerful-integers		📝	Medium
1011	971	flip-binary-tree-to-match-preorder-traversal		📝	Medium
1012	972	equal-rational-numbers		📝	Hard
1013	509	fibonacci-number	Java	📝	Easy
1014	973	k-closest-points-to-origin	Java	📝	Medium
1016	974	subarray-sums-divisible-by-k		📝	Medium
1017	975	odd-even-jump		📝	Hard
1018	976	largest-perimeter-triangle	Java	📝	Easy
1019	977	squares-of-a-sorted-array	Java	📝	Easy
1020	978	longest-turbulent-subarray		📝	Medium
1021	979	distribute-coins-in-binary-tree		📝	Medium
1022	980	unique-paths-iii		📝	Hard
1023	981	time-based-key-value-store		📝	Medium
1024	982	triples-with-bitwise-and-equal-to-zero			Hard
1025	983	minimum-cost-for-tickets		📝	Medium
1026	984	string-without-aaa-or-bbb		📝	Medium
1027	985	sum-of-even-numbers-after-queries	Java	📝	Medium
1028	986	interval-list-intersections	Java	📝	Medium
1029	987	vertical-order-traversal-of-a-binary-tree		📝	Hard
1030	988	smallest-string-starting-from-leaf		📝	Medium
1031	989	add-to-array-form-of-integer	Java	📝	Easy
1032	990	satisfiability-of-equality-equations		📝	Medium
1033	991	broken-calculator		📝	Medium
1034	992	subarrays-with-k-different-integers		📝	Hard
1035	993	cousins-in-binary-tree	Java	📝	Easy
1036	994	rotting-oranges		📝	Medium
1037	995	minimum-number-of-k-consecutive-bit-flips		📝	Hard
1038	996	number-of-squareful-arrays		📝	Hard
1039	997	find-the-town-judge	Java	📝	Easy
1040	998	maximum-binary-tree-ii			Medium
1041	999	available-captures-for-rook	Java		Easy
1042	1000	minimum-cost-to-merge-stones			Hard
1043	1001	grid-illumination			Hard
1044	1002	find-common-characters	Java		Easy
1045	1003	check-if-word-is-valid-after-substitutions			Medium
1046	1004	max-consecutive-ones-iii		📝	Medium
1047	1005	maximize-sum-of-array-after-k-negations			Easy
1048	1006	clumsy-factorial			Medium
1049	1007	minimum-domino-rotations-for-equal-row		📝	Medium
1050	1008	construct-binary-search-tree-from-preorder-traversal	Java	📝	Medium
1051	1055	shortest-way-to-form-string	🔒	📝	Medium
1052	1057	campus-bikes	🔒	📝	Medium
1053	1058	minimize-rounding-error-to-meet-target	🔒		Medium
1054	1009	complement-of-base-10-integer	Java	📝	Easy
1055	1010	pairs-of-songs-with-total-durations-divisible-by-60	Java	📝	Medium
1056	1011	capacity-to-ship-packages-within-d-days		📝	Medium
1057	1012	numbers-with-repeated-digits			Hard
1058	1061	lexicographically-smallest-equivalent-string		📝	Medium
1059	1060	missing-element-in-sorted-array	🔒	📝	Medium
1060	1062	longest-repeating-substring	🔒	📝	Medium
1061	1063	number-of-valid-subarrays	🔒		Hard
1062	1013	partition-array-into-three-parts-with-equal-sum	Java		Easy
1063	1014	best-sightseeing-pair			Medium
1064	1015	smallest-integer-divisible-by-k		📝	Medium
1065	1016	binary-string-with-substrings-representing-1-to-n			Medium
1066	1064	fixed-point	🔒	📝	Easy
1067	1066	campus-bikes-ii	🔒	📝	Medium
1068	1067	digit-count-in-range	🔒		Hard
1069	1056	confusing-number	🔒	📝	Easy
1070	1017	convert-to-base-2			Medium
1071	1018	binary-prefix-divisible-by-5	Java		Easy
1072	1019	next-greater-node-in-linked-list		📝	Medium
1073	1020	number-of-enclaves		📝	Medium
1074	1086	high-five	🔒	📝	Easy
1075	1065	index-pairs-of-a-string	🔒	📝	Easy
1076	1087	brace-expansion	🔒	📝	Medium
1077	1088	confusing-number-ii	🔒	📝	Hard
1078	1021	remove-outermost-parentheses	Java		Easy
1079	1022	sum-of-root-to-leaf-binary-numbers	Java	📝	Easy
1080	1023	camelcase-matching			Medium
1081	1024	video-stitching			Medium
1082	1085	sum-of-digits-in-the-minimum-number	🔒		Easy
1083	1099	two-sum-less-than-k	🔒	📝	Easy
1084	1100	find-k-length-substrings-with-no-repeated-characters	🔒	📝	Medium
1085	1101	the-earliest-moment-when-everyone-become-friends	🔒	📝	Medium
1086	1025	divisor-game	Java		Easy
1087	1027	longest-arithmetic-subsequence		📝	Medium
1088	1118	number-of-days-in-a-month	🔒		Easy
1089	1119	remove-vowels-from-a-string	🔒		Easy
1090	1134	armstrong-number	🔒	📝	Easy
1091	1120	maximum-average-subtree	🔒	📝	Medium
1092	1026	maximum-difference-between-node-and-ancestor		📝	Medium
1093	1028	recover-a-tree-from-preorder-traversal			Hard
1094	1030	matrix-cells-in-distance-order	Java		Easy
1095	1029	two-city-scheduling	Java	📝	Medium
1096	1031	maximum-sum-of-two-non-overlapping-subarrays			Medium
1097	1032	stream-of-characters		📝	Hard
1098	1133	largest-unique-number	🔒	📝	Easy
1099	1102	path-with-maximum-minimum-value	🔒	📝	Medium
1100	1135	connecting-cities-with-minimum-cost	🔒	📝	Medium
1101	1136	parallel-courses	🔒	📝	Medium
1102	1150	check-if-a-number-is-majority-element-in-a-sorted-array	🔒	📝	Easy
1103	1033	moving-stones-until-consecutive			Medium
1104	1034	coloring-a-border			Medium
1105	1035	uncrossed-lines	Java	📝	Medium
1106	1036	escape-a-large-maze			Hard
1107	1151	minimum-swaps-to-group-all-1s-together	🔒	📝	Medium
1108	1152	analyze-user-website-visit-pattern	🔒		Medium
1111	1039	minimum-score-triangulation-of-polygon			Medium
1112	1160	find-words-that-can-be-formed-by-characters	Java		Easy
1113	1040	moving-stones-until-consecutive-ii			Medium
1114	1038	binary-search-tree-to-greater-sum-tree	Java		Medium
1115	1037	valid-boomerang			Easy
1116	1161	maximum-level-sum-of-a-binary-tree		📝	Medium
1117	1162	as-far-from-land-as-possible		📝	Medium
1118	1121	divide-array-into-increasing-sequences	🔒		Hard
1119	1041	robot-bounded-in-circle		📝	Medium
1120	1042	flower-planting-with-no-adjacent			Medium
1121	1043	partition-array-for-maximum-sum			Medium
1122	1044	longest-duplicate-substring		📝	Hard
1123	1165	single-row-keyboard	🔒	📝	Easy
1124	1153	string-transforms-into-another-string	🔒	📝	Hard
1125	1166	design-file-system	🔒	📝	Medium
1126	1167	minimum-cost-to-connect-sticks	🔒	📝	Medium
1127	1046	last-stone-weight	Java	📝	Easy
1128	1047	remove-all-adjacent-duplicates-in-string	Java	📝	Easy
1129	1048	longest-string-chain		📝	Medium
1130	1049	last-stone-weight-ii			Medium
1131	1180	count-substrings-with-only-one-distinct-letter	🔒	📝	Easy
1132	1181	before-and-after-puzzle	🔒		Medium
1133	1163	last-substring-in-lexicographical-order			Hard
1134	1182	shortest-distance-to-target-color	🔒	📝	Medium
1137	1051	height-checker	Java		Easy
1138	1052	grumpy-bookstore-owner			Medium
1139	1053	previous-permutation-with-one-swap			Medium
1140	1054	distant-barcodes			Medium
1141	1196	how-many-apples-can-you-put-into-the-basket	🔒	📝	Easy
1142	1197	minimum-knight-moves	🔒	📝	Medium
1143	1198	find-smallest-common-element-in-all-rows	🔒	📝	Medium
1144	1168	optimize-water-distribution-in-a-village	🔒	📝	Hard
1145	1074	number-of-submatrices-that-sum-to-target		📝	Hard
1146	1071	greatest-common-divisor-of-strings		📝	Easy
1147	1072	flip-columns-for-maximum-number-of-equal-rows			Medium
1148	1073	adding-two-negabinary-numbers			Medium
1149	1213	intersection-of-three-sorted-arrays	🔒	📝	Easy
1150	1214	two-sum-bsts	🔒	📝	Medium
1151	1215	stepping-numbers	🔒		Medium
1152	1183	maximum-number-of-ones	🔒		Hard
1156	1078	occurrences-after-bigram	Java		Easy
1157	1080	insufficient-nodes-in-root-to-leaf-paths			Medium
1159	1081	smallest-subsequence-of-distinct-characters			Medium
1160	1079	letter-tile-possibilities			Medium
1164	1228	missing-number-in-arithmetic-progression	🔒	📝	Easy
1165	1229	meeting-scheduler	🔒	📝	Medium
1166	1230	toss-strange-coins	🔒	📝	Medium
1167	1199	minimum-time-to-build-blocks	🔒		Hard
1168	1089	duplicate-zeros	Java	📝	Easy
1169	1090	largest-values-from-labels			Medium
1170	1092	shortest-common-supersequence			Hard
1171	1091	shortest-path-in-binary-matrix		📝	Medium
1175	1243	array-transformation	🔒		Easy
1176	1244	design-a-leaderboard	🔒	📝	Medium
1177	1245	tree-diameter	🔒	📝	Medium
1178	1216	valid-palindrome-iii	🔒	📝	Hard
1183	1093	statistics-from-a-large-sample			Medium
1184	1094	car-pooling	Java	📝	Medium
1185	1095	find-in-mountain-array			Hard
1188	1096	brace-expansion-ii			Hard
1189	1256	encode-number	🔒		Medium
1190	1257	smallest-common-region	🔒		Medium
1191	1258	synonymous-sentences	🔒		Medium
1192	1231	divide-chocolate	🔒	📝	Hard
1194	1104	path-in-zigzag-labelled-binary-tree			Medium
1195	1103	distribute-candies-to-people	Java	📝	Easy
1196	1105	filling-bookcase-shelves			Medium
1197	1106	parsing-a-boolean-expression			Hard
1199	1271	hexspeak	🔒		Easy
1200	1272	remove-interval	🔒	📝	Medium
1201	1273	delete-tree-nodes	🔒		Medium
1202	1246	palindrome-removal	🔒		Hard
1205	1108	defanging-an-ip-address	Java		Easy
1206	1109	corporate-flight-bookings			Medium
1207	1110	delete-nodes-and-return-forest			Medium
1208	1111	maximum-nesting-depth-of-two-valid-parentheses-strings			Medium
1210	1619	mean-of-array-after-removing-some-elements			Easy
1211	1286	iterator-for-combination		📝	Medium
1212	1291	sequential-digits		📝	Medium
1213	1259	handshakes-that-dont-cross	🔒	📝	Hard
1217	1122	relative-sort-array	Java		Easy
1218	1123	lowest-common-ancestor-of-deepest-leaves			Medium
1219	1124	longest-well-performing-interval			Medium
1220	1125	smallest-sufficient-team			Hard
1221	1287	element-appearing-more-than-25-in-sorted-array	Java		Easy
1222	1288	remove-covered-intervals		📝	Medium
1223	1627	graph-connectivity-with-threshold			Hard
1224	1289	minimum-falling-path-sum-ii			Hard
1227	1128	number-of-equivalent-domino-pairs	Java		Easy
1228	1130	minimum-cost-tree-from-leaf-values			Medium
1229	1129	shortest-path-with-alternating-colors		📝	Medium
1230	1131	maximum-of-absolute-value-expression			Medium
1231	1299	replace-elements-with-greatest-element-on-right-side	Java		Easy
1232	1300	sum-of-mutated-array-closest-to-target			Medium
1233	1274	number-of-ships-in-a-rectangle	🔒	📝	Hard
1234	1301	number-of-paths-with-max-score			Hard
1236	1137	n-th-tribonacci-number	Java	📝	Easy
1238	1138	alphabet-board-path			Medium
1239	1139	largest-1-bordered-square			Medium
1240	1140	stone-game-ii		📝	Medium
1241	1313	decompress-run-length-encoded-list	Java		Easy
1242	1314	matrix-block-sum			Medium
1243	1315	sum-of-nodes-with-even-valued-grandparent	Java		Medium
1244	1316	distinct-echo-substrings			Hard
1247	1144	decrease-elements-to-make-array-zigzag			Medium
1248	1145	binary-tree-coloring-game			Medium
1249	1146	snapshot-array			Medium
1250	1143	longest-common-subsequence	Java	📝	Medium
1251	1147	longest-chunked-palindrome-decomposition			Hard
1252	1328	break-a-palindrome		📝	Medium
1253	1329	sort-the-matrix-diagonally		📝	Medium
1254	1302	deepest-leaves-sum	Java	📝	Medium
1255	1330	reverse-subarray-to-maximize-array-value			Hard
1256	1331	rank-transform-of-an-array	Java		Easy
1257	1632	rank-transform-of-a-matrix		📝	Hard
1260	1154	day-of-the-year	Java		Easy
1261	1156	swap-for-longest-repeated-character-substring			Medium
1262	1157	online-majority-element-in-subarray			Hard
1263	1155	number-of-dice-rolls-with-target-sum		📝	Medium
1264	1935	maximum-number-of-words-you-can-type			Easy
1267	1171	remove-zero-sum-consecutive-nodes-from-linked-list			Medium
1270	1172	dinner-plate-stacks			Hard
1271	1236	web-crawler	🔒	📝	Medium
1272	1169	invalid-transactions	Java		Medium
1273	1170	compare-strings-by-frequency-of-the-smallest-character	Java		Medium
1274	1360	number-of-days-between-two-dates			Easy
1275	1361	validate-binary-tree-nodes			Medium
1276	1362	closest-divisors			Medium
1277	1363	largest-multiple-of-three			Hard
1279	1175	prime-arrangements			Easy
1280	1176	diet-plan-performance	🔒		Easy
1281	1177	can-make-palindrome-from-substring			Medium
1282	1178	number-of-valid-words-for-each-puzzle		📝	Hard
1283	1507	reformat-date			Easy
1284	1390	four-divisors			Medium
1285	1382	balance-a-binary-search-tree			Medium
1286	1425	constrained-subsequence-sum			Hard
1287	1184	distance-between-bus-stops	Java		Easy
1288	1186	maximum-subarray-sum-with-one-deletion			Medium
1289	1185	day-of-the-week	Java		Easy
1290	1187	make-array-strictly-increasing			Hard
1293	1550	three-consecutive-odds			Easy
1294	2080	range-frequency-queries			Medium
1295	1954	minimum-garden-perimeter-to-collect-enough-apples			Medium
1296	1483	kth-ancestor-of-a-tree-node			Hard
1297	1189	maximum-number-of-balloons	Java	📝	Easy
1298	1190	reverse-substrings-between-each-pair-of-parentheses			Medium
1299	1191	k-concatenation-maximum-sum			Medium
1300	1192	critical-connections-in-a-network		📝	Hard
1302	1957	delete-characters-to-make-fancy-string			Easy
1303	2139	minimum-moves-to-reach-target-score			Medium
1304	1405	longest-happy-string			Medium
1305	1944	number-of-visible-people-in-a-queue			Hard
1306	1200	minimum-absolute-difference	Java	📝	Easy
1307	1201	ugly-number-iii			Medium
1308	1202	smallest-string-with-swaps		📝	Medium
1309	1203	sort-items-by-groups-respecting-dependencies			Hard
1310	2079	watering-plants			Medium
1311	1895	largest-magic-square			Medium
1312	2201	count-artifacts-that-can-be-extracted			Medium
1313	1916	count-ways-to-build-rooms-in-an-ant-colony			Hard
1319	1207	unique-number-of-occurrences	Java	📝	Easy
1320	1209	remove-all-adjacent-duplicates-in-string-ii		📝	Medium
1321	1208	get-equal-substrings-within-budget			Medium
1322	1210	minimum-moves-to-reach-target-with-rotations			Hard
1324	1706	where-will-the-ball-fall		📝	Medium
1325	1514	path-with-maximum-probability		📝	Medium
1326	1862	sum-of-floored-pairs			Hard
1329	1217	minimum-cost-to-move-chips-to-the-same-position	Java	📝	Easy
1330	1218	longest-arithmetic-subsequence-of-given-difference		📝	Medium
1331	1219	path-with-maximum-gold			Medium
1332	1220	count-vowels-permutation		📝	Hard
1333	2191	sort-the-jumbled-numbers			Medium
1334	2310	sum-of-numbers-with-units-digit-k			Medium
1335	2226	maximum-candies-allocated-to-k-children			Medium
1336	1960	maximum-product-of-the-length-of-two-palindromic-substrings			Hard
1337	1206	design-skiplist			Hard
1341	1221	split-a-string-in-balanced-strings	Java		Easy
1342	1222	queens-that-can-attack-the-king			Medium
1343	1223	dice-roll-simulation			Hard
1344	1224	maximum-equal-frequency			Hard
1345	1427	perform-string-shifts	🔒	📝	Easy
1346	2202	maximize-the-topmost-element-after-k-moves			Medium
1347	2204	distance-to-a-cycle-in-undirected-graph	🔒		Hard
1348	2321	maximum-score-of-spliced-array			Hard
1349	1232	check-if-it-is-a-straight-line	Java	📝	Easy
1350	1233	remove-sub-folders-from-the-filesystem			Medium
1351	1234	replace-the-substring-for-balanced-string			Medium
1352	1235	maximum-profit-in-job-scheduling		📝	Hard
1353	2273	find-resultant-array-after-removing-anagrams			Easy
1354	2225	find-players-with-zero-or-one-losses		📝	Medium
1355	2216	minimum-deletions-to-make-array-beautiful			Medium
1356	2193	minimum-number-of-moves-to-make-palindrome			Hard
1358	1237	find-positive-integer-solution-for-a-given-equation	Java		Medium
1359	1238	circular-permutation-in-binary-representation			Medium
1360	1239	maximum-length-of-a-concatenated-string-with-unique-characters		📝	Medium
1361	1240	tiling-a-rectangle-with-the-fewest-squares			Hard
1362	1227	airplane-seat-assignment-probability			Medium
1363	2309	greatest-english-letter-in-upper-and-lower-case			Easy
1364	1726	tuple-with-same-product			Medium
1366	1429	first-unique-number	🔒	📝	Medium
1367	1691	maximum-height-by-stacking-cuboids			Hard
1369	1247	minimum-swaps-to-make-strings-equal			Medium
1370	1248	count-number-of-nice-subarrays			Medium
1371	1249	minimum-remove-to-make-valid-parentheses		📝	Medium
1372	1250	check-if-it-is-a-good-array			Hard
1374	1428	leftmost-column-with-at-least-a-one	🔒	📝	Medium
1375	2217	find-palindrome-with-fixed-length			Medium
1376	2312	selling-pieces-of-wood			Hard
1378	1252	cells-with-odd-values-in-a-matrix	Java		Easy
1379	1253	reconstruct-a-2-row-binary-matrix			Medium
1380	1254	number-of-closed-islands		📝	Medium
1381	1255	maximum-score-words-formed-by-letters			Hard
1382	2303	calculate-amount-paid-in-taxes			Easy
1383	2198	number-of-single-divisor-triplets	🔒		Medium
1384	1618	maximum-font-to-fit-a-sentence-in-a-screen	🔒		Medium
1385	2189	number-of-ways-to-build-house-of-cards	🔒		Medium
1386	1260	shift-2d-grid	Java	📝	Easy
1387	1261	find-elements-in-a-contaminated-binary-tree			Medium
1388	1262	greatest-sum-divisible-by-three			Medium
1389	1263	minimum-moves-to-move-a-box-to-their-target-location			Hard
1391	1426	counting-elements	🔒	📝	Easy
1392	2215	find-the-difference-of-two-arrays		📝	Easy
1393	2218	maximum-value-of-k-coins-from-piles		📝	Hard
1394	2304	minimum-path-cost-in-a-grid			Medium
1395	1266	minimum-time-visiting-all-points	Java		Easy
1396	1267	count-servers-that-communicate			Medium
1397	1268	search-suggestions-system		📝	Medium
1398	1269	number-of-ways-to-stay-in-the-same-place-after-some-steps			Hard
1400	1275	find-winner-on-a-tic-tac-toe-game	Java	📝	Easy
1401	1276	number-of-burgers-with-no-waste-of-ingredients			Medium
1402	1277	count-square-submatrices-with-all-ones	Java		Medium
1403	1278	palindrome-partitioning-iii			Hard
1404	1265	print-immutable-linked-list-in-reverse	🔒		Medium
1406	1281	subtract-the-product-and-sum-of-digits-of-an-integer	Java		Easy
1407	1282	group-the-people-given-the-group-size-they-belong-to	Java		Medium
1408	1283	find-the-smallest-divisor-given-a-threshold		📝	Medium
1409	1284	minimum-number-of-flips-to-convert-binary-matrix-to-zero-matrix		📝	Hard
1411	1290	convert-binary-number-in-a-linked-list-to-integer	Java	📝	Easy
1413	1292	maximum-side-length-of-a-square-with-sum-less-than-or-equal-to-threshold			Medium
1414	1293	shortest-path-in-a-grid-with-obstacles-elimination		📝	Hard
1416	2229	check-if-an-array-is-consecutive	🔒		Easy
1418	2305	fair-distribution-of-cookies			Medium
1419	2263	make-array-non-decreasing-or-non-increasing	🔒		Hard
1421	1295	find-numbers-with-even-number-of-digits	Java		Easy
1422	1296	divide-array-in-sets-of-k-consecutive-numbers			Medium
1423	1297	maximum-number-of-occurrences-of-a-substring			Medium
1424	1298	maximum-candies-you-can-get-from-boxes			Hard
1426	1304	find-n-unique-integers-sum-up-to-zero	Java		Easy
1427	1305	all-elements-in-two-binary-search-trees	Java	📝	Medium
1428	1306	jump-game-iii		📝	Medium
1429	1307	verbal-arithmetic-puzzle			Hard
1430	2269	find-the-k-beauty-of-a-number			Easy
1431	2192	all-ancestors-of-a-node-in-a-directed-acyclic-graph			Medium
1432	1430	check-if-a-string-is-a-valid-sequence-from-root-to-leaves-path-in-a-binary-tree	🔒		Medium
1433	2227	encrypt-and-decrypt-strings			Hard
1434	1309	decrypt-string-from-alphabet-to-integer-mapping	Java		Easy
1435	1310	xor-queries-of-a-subarray			Medium
1436	1311	get-watched-videos-by-your-friends			Medium
1437	1312	minimum-insertion-steps-to-make-a-string-palindrome		📝	Hard
1440	1317	convert-integer-to-the-sum-of-two-no-zero-integers	Java		Easy
1441	1318	minimum-flips-to-make-a-or-b-equal-to-c		📝	Medium
1442	1319	number-of-operations-to-make-network-connected		📝	Medium
1443	1320	minimum-distance-to-type-a-word-using-two-fingers			Hard
1444	1342	number-of-steps-to-reduce-a-number-to-zero	Java	📝	Easy
1445	1343	number-of-sub-arrays-of-size-k-and-average-greater-than-or-equal-to-threshold			Medium
1446	1344	angle-between-hands-of-a-clock		📝	Medium
1447	1345	jump-game-iv		📝	Hard
1448	1323	maximum-69-number	Java	📝	Easy
1449	1324	print-words-vertically			Medium
1450	1325	delete-leaves-with-a-given-value			Medium
1451	1326	minimum-number-of-taps-to-open-to-water-a-garden			Hard
1454	1332	remove-palindromic-subsequences		📝	Easy
1455	1333	filter-restaurants-by-vegan-friendly-price-and-distance			Medium
1456	1334	find-the-city-with-the-smallest-number-of-neighbors-at-a-threshold-distance			Medium
1457	1335	minimum-difficulty-of-a-job-schedule		📝	Hard
1458	1356	sort-integers-by-the-number-of-1-bits	Java		Easy
1459	1357	apply-discount-every-n-orders			Medium
1460	1358	number-of-substrings-containing-all-three-characters			Medium
1461	1359	count-all-valid-pickup-and-delivery-options		📝	Hard
1463	1337	the-k-weakest-rows-in-a-matrix	Java	📝	Easy
1464	1338	reduce-array-size-to-the-half		📝	Medium
1465	1339	maximum-product-of-splitted-binary-tree		📝	Medium
1466	1340	jump-game-v			Hard
1468	1346	check-if-n-and-its-double-exist			Easy
1469	1347	minimum-number-of-steps-to-make-two-strings-anagram			Medium
1470	1348	tweet-counts-per-frequency			Medium
1471	1349	maximum-students-taking-exam			Hard
1472	1370	increasing-decreasing-string	Java		Easy
1473	1371	find-the-longest-substring-containing-vowels-in-even-counts			Medium
1474	1372	longest-zigzag-path-in-a-binary-tree		📝	Medium
1475	1373	maximum-sum-bst-in-binary-tree			Hard
1476	1351	count-negative-numbers-in-a-sorted-matrix	Java	📝	Easy
1477	1352	product-of-the-last-k-numbers			Medium
1478	1353	maximum-number-of-events-that-can-be-attended			Medium
1479	1354	construct-target-array-with-multiple-sums		📝	Hard
1482	1365	how-many-numbers-are-smaller-than-the-current-number	Java		Easy
1483	1366	rank-teams-by-votes			Medium
1484	1367	linked-list-in-binary-tree			Medium
1485	1368	minimum-cost-to-make-at-least-one-valid-path-in-a-grid			Hard
1486	1385	find-the-distance-value-between-two-arrays			Easy
1487	1386	cinema-seat-allocation			Medium
1488	1387	sort-integers-by-the-power-value			Medium
1489	1388	pizza-with-3n-slices			Hard
1490	1374	generate-a-string-with-characters-that-have-odd-counts	Java		Easy
1491	1375	number-of-times-binary-string-is-prefix-aligned			Medium
1492	1376	time-needed-to-inform-all-employees		📝	Medium
1493	1377	frog-position-after-t-seconds			Hard
1496	1380	lucky-numbers-in-a-matrix	Java		Easy
1497	1381	design-a-stack-with-increment-operation			Medium
1498	1379	find-a-corresponding-node-of-a-binary-tree-in-a-clone-of-that-tree		📝	Easy
1499	1383	maximum-performance-of-a-team		📝	Hard
1500	1399	count-largest-group	Java		Easy
1501	1401	circle-and-rectangle-overlapping			Medium
1502	1400	construct-k-palindrome-strings			Medium
1503	1402	reducing-dishes		📝	Hard
1505	1389	create-target-array-in-the-given-order	Java		Easy
1507	1391	check-if-there-is-a-valid-path-in-a-grid			Medium
1508	1392	longest-happy-prefix			Hard
1510	1394	find-lucky-integer-in-an-array	Java	📝	Easy
1511	1395	count-number-of-teams			Medium
1512	1396	design-underground-system		📝	Medium
1513	1397	find-all-good-strings			Hard
1514	1413	minimum-value-to-get-positive-step-by-step-sum		📝	Easy
1515	1414	find-the-minimum-number-of-fibonacci-numbers-whose-sum-is-k			Medium
1516	1415	the-k-th-lexicographical-string-of-all-happy-strings-of-length-n			Medium
1517	1416	restore-the-array		📝	Hard
1519	1403	minimum-subsequence-in-non-increasing-order			Easy
1520	1404	number-of-steps-to-reduce-a-number-in-binary-representation-to-one			Medium
1522	1406	stone-game-iii		📝	Hard
1524	1408	string-matching-in-an-array			Easy
1525	1409	queries-on-a-permutation-with-key			Medium
1526	1410	html-entity-parser			Medium
1527	1411	number-of-ways-to-paint-n-3-grid			Hard
1528	1431	kids-with-the-greatest-number-of-candies	Java	📝	Easy
1529	1432	max-difference-you-can-get-from-changing-an-integer			Medium
1530	1433	check-if-a-string-can-break-another-string			Medium
1531	1434	number-of-ways-to-wear-different-hats-to-each-other			Hard
1532	1417	reformat-the-string			Easy
1533	1418	display-table-of-food-orders-in-a-restaurant			Medium
1534	1419	minimum-number-of-frogs-croaking			Medium
1535	1420	build-array-where-you-can-find-the-maximum-exactly-k-comparisons			Hard
1537	1422	maximum-score-after-splitting-a-string			Easy
1538	1423	maximum-points-you-can-obtain-from-cards		📝	Medium
1539	1424	diagonal-traverse-ii			Medium
1542	1446	consecutive-characters		📝	Easy
1543	1447	simplified-fractions			Medium
1544	1448	count-good-nodes-in-binary-tree		📝	Medium
1545	1449	form-largest-integer-with-digits-that-add-up-to-target			Hard
1547	1436	destination-city			Easy
1548	1437	check-if-all-1s-are-at-least-length-k-places-away		📝	Easy
1549	1438	longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit			Medium
1550	1439	find-the-kth-smallest-sum-of-a-matrix-with-sorted-rows			Hard
1552	1441	build-an-array-with-stack-operations			Medium
1553	1442	count-triplets-that-can-form-two-arrays-of-equal-xor			Medium
1554	1443	minimum-time-to-collect-all-apples-in-a-tree		📝	Medium
1555	1444	number-of-ways-of-cutting-a-pizza		📝	Hard
1556	1460	make-two-arrays-equal-by-reversing-subarrays			Easy
1557	1461	check-if-a-string-contains-all-binary-codes-of-size-k		📝	Medium
1558	1462	course-schedule-iv			Medium
1559	1463	cherry-pickup-ii		📝	Hard
1560	1450	number-of-students-doing-homework-at-a-given-time			Easy
1561	1451	rearrange-words-in-a-sentence			Medium
1562	1452	people-whose-list-of-favorite-companies-is-not-a-subset-of-another-list			Medium
1563	1453	maximum-number-of-darts-inside-of-a-circular-dartboard			Hard
1566	1455	check-if-a-word-occurs-as-a-prefix-of-any-word-in-a-sentence			Easy
1567	1456	maximum-number-of-vowels-in-a-substring-of-given-length		📝	Medium
1568	1457	pseudo-palindromic-paths-in-a-binary-tree		📝	Medium
1569	1458	max-dot-product-of-two-subsequences			Hard
1570	1475	final-prices-with-a-special-discount-in-a-shop			Easy
1571	1478	allocate-mailboxes			Hard
1572	1476	subrectangle-queries			Medium
1573	1477	find-two-non-overlapping-sub-arrays-each-with-target-sum			Medium
1574	1464	maximum-product-of-two-elements-in-an-array			Easy
1575	1465	maximum-area-of-a-piece-of-cake-after-horizontal-and-vertical-cuts		📝	Medium
1576	1466	reorder-routes-to-make-all-paths-lead-to-the-city-zero		📝	Medium
1577	1467	probability-of-a-two-boxes-having-the-same-number-of-distinct-balls			Hard
1580	1470	shuffle-the-array	Java	📝	Easy
1581	1471	the-k-strongest-values-in-an-array			Medium
1582	1472	design-browser-history		📝	Medium
1583	1473	paint-house-iii		📝	Hard
1584	1491	average-salary-excluding-the-minimum-and-maximum-salary		📝	Easy
1585	1492	the-kth-factor-of-n		📝	Medium
1586	1493	longest-subarray-of-1s-after-deleting-one-element			Medium
1587	1494	parallel-courses-ii			Hard
1603	1480	running-sum-of-1d-array	Java	📝	Easy
1604	1481	least-number-of-unique-integers-after-k-removals			Medium
1605	1482	minimum-number-of-days-to-make-m-bouquets			Medium
1609	1469	find-all-the-lonely-nodes	🔒		Easy
1610	1486	xor-operation-in-an-array	Java		Easy
1611	1487	making-file-names-unique			Medium
1612	1488	avoid-flood-in-the-city			Medium
1613	1489	find-critical-and-pseudo-critical-edges-in-minimum-spanning-tree			Hard
1615	1508	range-sum-of-sorted-subarray-sums			Medium
1616	1509	minimum-difference-between-largest-and-smallest-value-in-three-moves			Medium
1617	1510	stone-game-iv		📝	Hard
1618	1474	delete-n-nodes-after-m-nodes-of-a-linked-list	🔒	📝	Easy
1619	1496	path-crossing			Easy
1620	1497	check-if-array-pairs-are-divisible-by-k			Medium
1621	1498	number-of-subsequences-that-satisfy-the-given-sum-condition		📝	Medium
1622	1499	max-value-of-equation			Hard
1624	1485	clone-binary-tree-with-random-pointer	🔒	📝	Medium
1626	1502	can-make-arithmetic-progression-from-sequence		📝	Easy
1627	1503	last-moment-before-all-ants-fall-out-of-a-plank			Medium
1628	1504	count-submatrices-with-all-ones			Medium
1629	1505	minimum-possible-integer-after-at-most-k-adjacent-swaps-on-digits			Hard
1630	1523	count-odd-numbers-in-an-interval-range		📝	Easy
1631	1524	number-of-sub-arrays-with-odd-sum			Medium
1632	1525	number-of-good-ways-to-split-a-string			Medium
1633	1526	minimum-number-of-increments-on-subarrays-to-form-a-target-array			Hard
1634	1490	clone-n-ary-tree	🔒	📝	Medium
1635	1512	number-of-good-pairs	Java		Easy
1636	1513	number-of-substrings-with-only-1s			Medium
1637	1531	string-compression-ii		📝	Hard
1638	1515	best-position-for-a-service-centre			Hard
1640	1500	design-a-file-sharing-system	🔒		Medium
1642	1518	water-bottles			Easy
1643	1519	number-of-nodes-in-the-sub-tree-with-the-same-label		📝	Medium
1644	1520	maximum-number-of-non-overlapping-substrings			Hard
1645	1521	find-a-value-of-a-mysterious-function-closest-to-target			Hard
1646	1539	kth-missing-positive-number		📝	Easy
1647	1540	can-convert-string-in-k-moves			Medium
1648	1541	minimum-insertions-to-balance-a-parentheses-string			Medium
1649	1546	maximum-number-of-non-overlapping-subarrays-with-sum-equals-target			Medium
1650	1506	find-root-of-n-ary-tree	🔒	📝	Medium
1651	1528	shuffle-string	Java		Easy
1652	1529	minimum-suffix-flips			Medium
1653	1530	number-of-good-leaf-nodes-pairs			Medium
1655	1516	move-sub-tree-of-n-ary-tree	🔒		Hard
1656	1534	count-good-triplets	Java		Easy
1657	1535	find-the-winner-of-an-array-game			Medium
1658	1536	minimum-swaps-to-arrange-a-binary-grid			Medium
1659	1537	get-the-maximum-score			Hard
1660	1556	thousand-separator			Easy
1661	1557	minimum-number-of-vertices-to-reach-all-nodes		📝	Medium
1662	1558	minimum-numbers-of-function-calls-to-make-target-array			Medium
1663	1559	detect-cycles-in-2d-grid			Medium
1665	1522	diameter-of-n-ary-tree	🔒	📝	Medium
1666	1544	make-the-string-great		📝	Easy
1667	1545	find-kth-bit-in-nth-binary-string			Medium
1668	1542	find-longest-awesome-substring			Hard
1669	1547	minimum-cost-to-cut-a-stick		📝	Hard
1672	1533	find-the-index-of-the-large-integer	🔒	📝	Medium
1674	1551	minimum-operations-to-make-array-equal		📝	Medium
1675	1552	magnetic-force-between-two-balls			Medium
1676	1553	minimum-number-of-days-to-eat-n-oranges			Hard
1677	1572	matrix-diagonal-sum		📝	Easy
1678	1573	number-of-ways-to-split-a-string			Medium
1679	1574	shortest-subarray-to-be-removed-to-make-array-sorted			Medium
1680	1575	count-all-possible-routes		📝	Hard
1681	1538	guess-the-majority-in-a-hidden-array	🔒	📝	Medium
1682	1560	most-visited-sector-in-a-circular-track			Easy
1683	1561	maximum-number-of-coins-you-can-get			Medium
1684	1562	find-latest-group-of-size-m			Medium
1685	1563	stone-game-v			Hard
1687	1548	the-most-similar-path-in-a-graph	🔒	📝	Hard
1689	1566	detect-pattern-of-length-m-repeated-k-or-more-times			Easy
1690	1567	maximum-length-of-subarray-with-positive-product			Medium
1691	1568	minimum-number-of-days-to-disconnect-island			Hard
1692	1569	number-of-ways-to-reorder-array-to-get-same-bst			Hard
1693	1588	sum-of-all-odd-length-subarrays	Java	📝	Easy
1694	1590	make-sum-divisible-by-p			Medium
1695	1589	maximum-sum-obtained-of-any-permutation			Medium
1696	1591	strange-printer-ii			Hard
1697	1554	strings-differ-by-one-character	🔒		Medium
1698	1576	replace-all-s-to-avoid-consecutive-repeating-characters			Easy
1699	1577	number-of-ways-where-square-of-number-is-equal-to-product-of-two-numbers			Medium
1700	1578	minimum-time-to-make-rope-colorful		📝	Medium
1701	1579	remove-max-number-of-edges-to-keep-graph-fully-traversable		📝	Hard
1703	1564	put-boxes-into-the-warehouse-i	🔒	📝	Medium
1704	1582	special-positions-in-a-binary-matrix			Easy
1705	1583	count-unhappy-friends			Medium
1706	1584	min-cost-to-connect-all-points		📝	Medium
1707	1585	check-if-string-is-transformable-with-substring-sort-operations			Hard
1708	1603	design-parking-system	Java	📝	Easy
1709	1604	alert-using-same-key-card-three-or-more-times-in-a-one-hour-period			Medium
1710	1606	find-servers-that-handled-most-number-of-requests		📝	Hard
1711	1605	find-valid-matrix-given-row-and-column-sums			Medium
1713	1570	dot-product-of-two-sparse-vectors	🔒	📝	Medium
1714	1592	rearrange-spaces-between-words			Easy
1715	1593	split-a-string-into-the-max-number-of-unique-substrings			Medium
1716	1594	maximum-non-negative-product-in-a-matrix			Medium
1717	1595	minimum-cost-to-connect-two-groups-of-points			Hard
1719	1580	put-boxes-into-the-warehouse-ii	🔒		Medium
1720	1598	crawler-log-folder			Easy
1721	1599	maximum-profit-of-operating-a-centennial-wheel			Medium
1722	1600	throne-inheritance			Medium
1723	1601	maximum-number-of-achievable-transfer-requests			Hard
1725	1621	number-of-sets-of-k-non-overlapping-line-segments			Medium
1726	1620	coordinate-with-maximum-network-quality			Medium
1727	1728	cat-and-mouse-ii			Hard
1728	1622	fancy-sequence			Hard
1729	1586	binary-search-tree-iterator-ii	🔒	📝	Medium
1730	1608	special-array-with-x-elements-greater-than-or-equal-x			Easy
1731	1609	even-odd-tree			Medium
1732	1611	minimum-one-bit-operations-to-make-integers-zero			Hard
1733	1610	maximum-number-of-visible-points			Hard
1736	1597	build-binary-expression-tree-from-infix-expression	🔒		Hard
1737	1614	maximum-nesting-depth-of-the-parentheses	Java		Easy
1738	1615	maximal-network-rank			Medium
1739	1616	split-two-strings-to-make-palindrome			Medium
1740	1617	count-subtrees-with-max-distance-between-cities			Hard
1741	1636	sort-array-by-increasing-frequency			Easy
1742	1637	widest-vertical-area-between-two-points-containing-no-points			Medium
1743	1638	count-substrings-that-differ-by-one-character			Medium
1744	1639	number-of-ways-to-form-a-target-string-given-a-dictionary		📝	Hard
1745	1602	find-nearest-right-node-in-binary-tree	🔒	📝	Medium
1746	1624	largest-substring-between-two-equal-characters			Easy
1747	1625	lexicographically-smallest-string-after-applying-operations			Medium
1748	1626	best-team-with-no-conflicts		📝	Medium
1750	1612	check-if-two-expression-trees-are-equivalent	🔒		Medium
1751	1629	slowest-key		📝	Easy
1752	1630	arithmetic-subarrays			Medium
1753	1631	path-with-minimum-effort		📝	Medium
1755	1652	defuse-the-bomb			Easy
1756	1653	minimum-deletions-to-make-string-balanced			Medium
1757	1654	minimum-jumps-to-reach-home			Medium
1758	1655	distribute-repeating-integers			Hard
1760	1640	check-array-formation-through-concatenation		📝	Easy
1761	1641	count-sorted-vowel-strings		📝	Medium
1762	1642	furthest-building-you-can-reach		📝	Medium
1764	1668	maximum-repeating-substring			Easy
1765	1669	merge-in-between-linked-lists			Medium
1766	1671	minimum-number-of-removals-to-make-mountain-array			Hard
1767	1670	design-front-middle-back-queue			Medium
1768	1628	design-an-expression-tree-with-evaluate-function	🔒		Medium
1769	1646	get-maximum-in-generated-array		📝	Easy
1770	1647	minimum-deletions-to-make-character-frequencies-unique		📝	Medium
1771	1648	sell-diminishing-valued-colored-balls			Medium
1772	1649	create-sorted-array-through-instructions		📝	Hard
1774	1634	add-two-polynomials-represented-as-linked-lists	🔒		Medium
1775	1656	design-an-ordered-stream	Java		Easy
1776	1658	minimum-operations-to-reduce-x-to-zero		📝	Medium
1777	1657	determine-if-two-strings-are-close		📝	Medium
1778	1659	maximize-grid-happiness			Hard
1780	1644	lowest-common-ancestor-of-a-binary-tree-ii	🔒		Medium
1781	1662	check-if-two-string-arrays-are-equivalent	Java	📝	Easy
1782	1663	smallest-string-with-a-given-numeric-value		📝	Medium
1783	1664	ways-to-make-a-fair-array			Medium
1784	1665	minimum-initial-energy-to-finish-tasks			Hard
1786	1684	count-the-number-of-consistent-strings	Java		Easy
1787	1685	sum-of-absolute-differences-in-a-sorted-array			Medium
1788	1686	stone-game-vi			Medium
1789	1687	delivering-boxes-from-storage-to-ports			Hard
1790	1650	lowest-common-ancestor-of-a-binary-tree-iii	🔒		Medium
1791	1672	richest-customer-wealth	Java	📝	Easy
1792	1673	find-the-most-competitive-subsequence		📝	Medium
1793	1674	minimum-moves-to-make-array-complementary			Medium
1794	1675	minimize-deviation-in-array		📝	Hard
1796	1660	correct-a-binary-tree	🔒		Medium
1797	1678	goal-parser-interpretation	Java		Easy
1798	1679	max-number-of-k-sum-pairs		📝	Medium
1799	1681	minimum-incompatibility			Hard
1800	1680	concatenation-of-consecutive-binary-numbers		📝	Medium
1802	1700	number-of-students-unable-to-eat-lunch			Easy
1803	1701	average-waiting-time			Medium
1804	1702	maximum-binary-string-after-change			Medium
1805	1703	minimum-adjacent-swaps-for-k-consecutive-ones			Hard
1806	1688	count-of-matches-in-tournament	Java		Easy
1807	1689	partitioning-into-minimum-number-of-deci-binary-numbers		📝	Medium
1808	1690	stone-game-vii		📝	Medium
1809	1714	sum-of-special-evenly-spaced-elements-in-array	🔒		Hard
1810	1666	change-the-root-of-a-binary-tree	🔒		Medium
1812	1694	reformat-phone-number			Easy
1813	1695	maximum-erasure-value		📝	Medium
1814	1696	jump-game-vi		📝	Medium
1815	1697	checking-existence-of-edge-length-limited-paths		📝	Hard
1816	1676	lowest-common-ancestor-of-a-binary-tree-iv	🔒		Medium
1817	1716	calculate-money-in-leetcode-bank			Easy
1818	1717	maximum-score-from-removing-substrings			Medium
1819	1718	construct-the-lexicographically-largest-valid-sequence			Medium
1820	1719	number-of-ways-to-reconstruct-a-tree			Hard
1822	1682	longest-palindromic-subsequence-ii	🔒		Medium
1823	1704	determine-if-string-halves-are-alike		📝	Easy
1824	1705	maximum-number-of-eaten-apples		📝	Medium
1825	1723	find-minimum-time-to-finish-all-jobs			Hard
1826	1707	maximum-xor-with-an-element-from-array			Hard
1828	1692	count-ways-to-distribute-candies	🔒		Hard
1829	1710	maximum-units-on-a-truck		📝	Easy
1830	1711	count-good-meals			Medium
1831	1712	ways-to-split-array-into-three-subarrays		📝	Medium
1832	1713	minimum-operations-to-make-a-subsequence			Hard
1833	1732	find-the-highest-altitude		📝	Easy
1834	1733	minimum-number-of-people-to-teach			Medium
1835	1734	decode-xored-permutation			Medium
1836	1735	count-ways-to-make-array-with-product			Hard
1838	1698	number-of-distinct-substrings-in-a-string	🔒		Medium
1839	1720	decode-xored-array	Java		Easy
1840	1722	minimize-hamming-distance-after-swap-operations			Medium
1843	1725	number-of-rectangles-that-can-form-the-largest-square			Easy
1844	1742	maximum-number-of-balls-in-a-box			Easy
1845	1727	largest-submatrix-with-rearrangements			Medium
1847	1708	largest-subarray-length-k	🔒		Easy
1848	1748	sum-of-unique-elements			Easy
1849	1749	maximum-absolute-sum-of-any-subarray			Medium
1850	1750	minimum-length-of-string-after-deleting-similar-ends			Medium
1851	1751	maximum-number-of-events-that-can-be-attended-ii			Hard
1858	1736	latest-time-by-replacing-hidden-digits			Easy
1859	1737	change-minimum-characters-to-satisfy-one-of-three-conditions			Medium
1860	1738	find-kth-largest-xor-coordinate-value			Medium
1861	1739	building-boxes			Hard
1865	1724	checking-existence-of-edge-length-limited-paths-ii	🔒		Hard
1866	1743	restore-the-array-from-adjacent-pairs			Medium
1871	1745	palindrome-partitioning-iv			Hard
1872	1744	can-you-eat-your-favorite-candy-on-your-favorite-day			Medium
1873	1763	longest-nice-substring			Easy
1874	1764	form-array-by-concatenating-subarrays-of-another-array			Medium
1875	1766	tree-of-coprimes			Hard
1876	1765	map-of-highest-peak			Medium
1878	1752	check-if-array-is-sorted-and-rotated			Easy
1879	1753	maximum-score-from-removing-stones			Medium
1880	1754	largest-merge-of-two-strings			Medium
1881	1755	closest-subsequence-sum			Hard
1883	1740	find-distance-in-a-binary-tree	🔒		Medium
1884	1758	minimum-changes-to-make-alternating-binary-string			Easy
1885	1759	count-number-of-homogenous-substrings			Medium
1886	1760	minimum-limit-of-balls-in-a-bag			Medium
1887	1761	minimum-degree-of-a-connected-trio-in-a-graph			Hard
1888	1779	find-nearest-point-that-has-the-same-x-or-y-coordinate			Easy
1889	1780	check-if-number-is-a-sum-of-powers-of-three			Medium
1890	1781	sum-of-beauty-of-all-substrings			Medium
1891	1782	count-pairs-of-nodes			Hard
1893	1746	maximum-subarray-sum-after-one-operation	🔒		Medium
1894	1768	merge-strings-alternately		📝	Easy
1895	1769	minimum-number-of-operations-to-move-all-balls-to-each-box			Medium
1896	1770	maximum-score-from-performing-multiplication-operations		📝	Hard
1897	1771	maximize-palindrome-length-from-subsequences			Hard
1899	1773	count-items-matching-a-rule	Java		Easy
1900	1774	closest-dessert-cost			Medium
1901	1775	equal-sum-arrays-with-minimum-number-of-operations			Medium
1902	1776	car-fleet-ii			Hard
1903	1756	design-most-recently-used-queue	🔒		Medium
1904	1796	second-largest-digit-in-a-string			Easy
1905	1797	design-authentication-manager			Medium
1906	1799	maximize-score-after-n-operations		📝	Hard
1907	1803	count-pairs-with-xor-in-a-range			Hard
1909	1762	buildings-with-an-ocean-view	🔒	📝	Medium
1910	1784	check-if-binary-string-has-at-most-one-segment-of-ones			Easy
1911	1785	minimum-elements-to-add-to-form-a-given-sum			Medium
1912	1786	number-of-restricted-paths-from-first-to-last-node			Medium
1913	1787	make-the-xor-of-all-segments-equal-to-zero			Hard
1915	1790	check-if-one-string-swap-can-make-strings-equal			Easy
1916	1791	find-center-of-star-graph	Java		Easy
1917	1792	maximum-average-pass-ratio			Medium
1918	1793	maximum-score-of-a-good-subarray			Hard
1919	1772	sort-features-by-popularity	🔒		Medium
1920	1812	determine-color-of-a-chessboard-square			Easy
1923	1813	sentence-similarity-iii			Medium
1924	1815	maximum-number-of-groups-getting-fresh-donuts			Hard
1925	1814	count-nice-pairs-in-an-array			Medium
1927	1800	maximum-ascending-subarray-sum			Easy
1928	1801	number-of-orders-in-the-backlog			Medium
1929	1802	maximum-value-at-a-given-index-in-a-bounded-array		📝	Medium
1930	1798	maximum-number-of-consecutive-values-you-can-make			Medium
1931	1778	shortest-path-in-a-hidden-grid	🔒		Medium
1933	1805	number-of-different-integers-in-a-string			Easy
1934	1807	evaluate-the-bracket-pairs-of-a-string			Medium
1935	1806	minimum-number-of-operations-to-reinitialize-a-permutation			Medium
1936	1808	maximize-number-of-nice-divisors			Hard
1937	1788	maximize-the-beauty-of-the-garden	🔒		Hard
1938	1827	minimum-operations-to-make-the-array-increasing			Easy
1939	1828	queries-on-number-of-points-inside-a-circle			Medium
1940	1829	maximum-xor-for-each-query			Medium
1941	1830	minimum-number-of-operations-to-make-string-sorted			Hard
1943	1794	count-pairs-of-equal-substrings-with-minimum-difference	🔒		Medium
1944	1816	truncate-sentence	Java		Easy
1945	1817	finding-the-users-active-minutes			Medium
1946	1818	minimum-absolute-sum-difference			Medium
1947	1819	number-of-different-subsequences-gcds			Hard
1949	1804	implement-trie-ii-prefix-tree	🔒		Medium
1950	1822	sign-of-the-product-of-an-array		📝	Easy
1951	1823	find-the-winner-of-the-circular-game			Medium
1952	1824	minimum-sideway-jumps			Medium
1953	1825	finding-mk-average			Hard
1954	1844	replace-all-digits-with-characters			Easy
1955	1845	seat-reservation-manager			Medium
1956	1846	maximum-element-after-decreasing-and-rearranging			Medium
1957	1847	closest-room			Hard
1959	1810	minimum-path-cost-in-a-hidden-grid	🔒		Medium
1960	1832	check-if-the-sentence-is-pangram	Java	📝	Easy
1961	1833	maximum-ice-cream-bars		📝	Medium
1962	1834	single-threaded-cpu		📝	Medium
1963	1835	find-xor-sum-of-all-pairs-bitwise-and			Hard
1965	1837	sum-of-digits-in-base-k			Easy
1966	1838	frequency-of-the-most-frequent-element			Medium
1967	1839	longest-substring-of-all-vowels-in-order			Medium
1968	1840	maximum-building-height			Hard
1969	1820	maximum-number-of-accepted-invitations	🔒		Medium
1970	1859	sorting-the-sentence	Java		Easy
1971	1860	incremental-memory-leak			Medium
1972	1861	rotating-the-box			Medium
1975	1848	minimum-distance-to-the-target-element			Easy
1976	1849	splitting-a-string-into-descending-consecutive-values			Medium
1977	1851	minimum-interval-to-include-each-query			Hard
1978	1850	minimum-adjacent-swaps-to-reach-the-kth-smallest-number			Medium
1979	1989	maximum-number-of-people-that-can-be-caught-in-tag	🔒		Medium
1980	1826	faulty-sensor	🔒		Easy
1982	1836	remove-duplicates-from-an-unsorted-linked-list	🔒		Medium
1983	1854	maximum-population-year			Easy
1984	1855	maximum-distance-between-a-pair-of-values		📝	Medium
1985	1856	maximum-subarray-min-product			Medium
1986	1857	largest-color-value-in-a-directed-graph		📝	Hard
1987	1876	substrings-of-size-three-with-distinct-characters			Easy
1988	1877	minimize-maximum-pair-sum-in-array			Medium
1989	1879	minimum-xor-sum-of-two-arrays			Hard
1990	1878	get-biggest-three-rhombus-sums-in-a-grid			Medium
1992	2046	sort-linked-list-already-sorted-using-absolute-values	🔒		Medium
1993	1863	sum-of-all-subset-xor-totals			Easy
1994	1864	minimum-number-of-swaps-to-make-the-binary-string-alternating			Medium
1995	1865	finding-pairs-with-a-certain-sum			Medium
1996	1866	number-of-ways-to-rearrange-sticks-with-k-sticks-visible			Hard
1997	1842	next-palindrome-using-same-digits	🔒		Hard
1999	1869	longer-contiguous-segments-of-ones-than-zeros			Easy
2000	1870	minimum-speed-to-arrive-on-time			Medium
2001	1871	jump-game-vii			Medium
2002	1872	stone-game-viii			Hard
2003	1852	distinct-numbers-in-each-subarray	🔒		Medium
2005	1893	check-if-all-the-integers-in-a-range-are-covered			Easy
2006	1894	find-the-student-that-will-replace-the-chalk			Medium
2007	2247	maximum-cost-of-trip-with-k-highways	🔒		Hard
2008	1896	minimum-cost-to-change-the-final-value-of-expression			Hard
2009	1858	longest-word-with-all-prefixes	🔒		Medium
2010	1880	check-if-word-equals-summation-of-two-words	Java		Easy
2011	1881	maximum-value-after-insertion			Medium
2012	1882	process-tasks-using-servers			Medium
2013	1883	minimum-skips-to-arrive-at-meeting-on-time			Hard
2015	1886	determine-whether-matrix-can-be-obtained-by-rotation			Easy
2016	1887	reduction-operations-to-make-the-array-elements-equal			Medium
2017	1888	minimum-number-of-flips-to-make-the-binary-string-alternating			Medium
2018	1889	minimum-space-wasted-from-packaging			Hard
2019	1868	product-of-two-run-length-encoded-arrays	🔒		Medium
2020	1909	remove-one-element-to-make-the-array-strictly-increasing			Easy
2021	1910	remove-all-occurrences-of-a-substring			Medium
2022	1911	maximum-alternating-subsequence-sum			Medium
2023	1912	design-movie-rental-system			Hard
2025	1897	redistribute-characters-to-make-all-strings-equal			Easy
2026	1899	merge-triplets-to-form-target-triplet			Medium
2027	1898	maximum-number-of-removable-characters			Medium
2028	1900	the-earliest-and-latest-rounds-where-players-compete			Hard
2029	1874	minimize-product-sum-of-two-arrays	🔒	📝	Medium
2031	1884	egg-drop-with-2-eggs-and-n-floors			Medium
2032	1903	largest-odd-number-in-string			Easy
2033	1904	the-number-of-full-rounds-you-have-played			Medium
2034	1906	minimum-absolute-difference-queries			Medium
2035	1905	count-sub-islands			Medium
2036	1885	count-pairs-in-two-arrays	🔒		Medium
2037	1925	count-square-sum-triples			Easy
2038	1926	nearest-exit-from-entrance-in-maze		📝	Medium
2039	1927	sum-game			Medium
2040	1928	minimum-cost-to-reach-destination-in-time			Hard
2042	1913	maximum-product-difference-between-two-pairs	Java		Easy
2043	1914	cyclically-rotating-a-grid			Medium
2044	1915	number-of-wonderful-substrings			Medium
2045	1891	cutting-ribbons	🔒		Medium
2047	1901	find-a-peak-element-ii			Medium
2048	1920	build-array-from-permutation	Java		Easy
2049	1921	eliminate-maximum-number-of-monsters			Medium
2050	1922	count-good-numbers			Medium
2051	1923	longest-common-subpath			Hard
2052	1902	depth-of-bst-given-insertion-order	🔒		Medium
2053	1941	check-if-all-characters-have-equal-number-of-occurrences			Easy
2054	1942	the-number-of-the-smallest-unoccupied-chair			Medium
2055	1943	describe-the-painting			Medium
2056	2297	jump-game-viii	🔒		Medium
2058	1929	concatenation-of-array	Java		Easy
2059	1930	unique-length-3-palindromic-subsequences			Medium
2060	1932	merge-bsts-to-create-single-bst			Hard
2061	1931	painting-a-grid-with-three-different-colors			Hard
2062	1908	game-of-nim	🔒	📝	Medium
2065	2307	check-for-contradictions-in-equations	🔒		Hard
2066	1936	add-minimum-number-of-rungs			Medium
2067	1937	maximum-number-of-points-with-cost		📝	Medium
2068	1938	maximum-genetic-difference-query			Hard
2069	1918	kth-smallest-subarray-sum	🔒		Medium
2070	1933	check-if-string-is-decomposable-into-value-equal-substrings	🔒		Easy
2071	1940	longest-common-subsequence-between-sorted-arrays	🔒		Medium
2072	1950	maximum-of-minimum-values-in-all-subarrays	🔒		Medium
2073	1956	minimum-time-for-k-virus-variants-to-spread	🔒		Hard
2074	1924	erect-the-fence-ii	🔒		Hard
2075	2021	brightest-position-on-street	🔒		Medium
2076	1945	sum-of-digits-of-string-after-convert			Easy
2077	1946	largest-number-after-mutating-substring			Medium
2078	1947	maximum-compatibility-score-sum			Medium
2079	1948	delete-duplicate-folders-in-system			Hard
2080	1958	check-if-move-is-legal			Medium
2081	1959	minimum-total-space-wasted-with-k-resizing-operations			Medium
2082	2052	minimum-cost-to-separate-sentence-into-rows	🔒		Medium
2083	1952	three-divisors			Easy
2084	1953	maximum-number-of-weeks-for-which-you-can-work			Medium
2085	1968	array-with-elements-not-equal-to-average-of-neighbors			Medium
2086	1955	count-number-of-special-subsequences			Hard
2088	1974	minimum-time-to-type-word-using-special-typewriter			Easy
2089	1975	maximum-matrix-sum			Medium
2090	1976	number-of-ways-to-arrive-at-destination			Medium
2091	1977	number-of-ways-to-separate-numbers			Hard
2093	1961	check-if-string-is-a-prefix-of-array			Easy
2094	1962	remove-stones-to-minimize-the-total		📝	Medium
2095	1963	minimum-number-of-swaps-to-make-the-string-balanced			Medium
2096	1964	find-the-longest-valid-obstacle-course-at-each-position		📝	Hard
2099	1967	number-of-strings-that-appear-as-substrings-in-word			Easy
2100	1969	minimum-non-zero-product-of-the-array-elements			Medium
2101	1970	last-day-where-you-can-still-cross		📝	Hard
2102	1991	find-the-middle-index-in-array			Easy
2103	1992	find-all-groups-of-farmland			Medium
2104	1993	operations-on-tree			Medium
2105	1994	the-number-of-good-subsets			Hard
2106	1979	find-greatest-common-divisor-of-array			Easy
2107	1980	find-unique-binary-string			Medium
2108	1981	minimize-the-difference-between-target-and-chosen-elements			Medium
2109	1982	find-array-given-subset-sums			Hard
2111	1966	binary-searchable-numbers-in-an-unsorted-array	🔒		Medium
2112	1984	minimum-difference-between-highest-and-lowest-of-k-scores			Easy
2113	1985	find-the-kth-largest-integer-in-the-array			Medium
2114	1986	minimum-number-of-work-sessions-to-finish-the-tasks			Medium
2115	1987	number-of-unique-good-subsequences			Hard
2116	2006	count-number-of-pairs-with-absolute-difference-k	Java		Easy
2117	2007	find-original-array-from-doubled-array		📝	Medium
2118	2008	maximum-earnings-from-taxi			Medium
2119	2009	minimum-number-of-operations-to-make-array-continuous			Hard
2121	1971	find-if-path-exists-in-graph		📝	Easy
2122	1995	count-special-quadruplets			Easy
2123	1996	the-number-of-weak-characters-in-the-game		📝	Medium
2124	1997	first-day-where-you-have-been-in-all-the-rooms			Medium
2125	1998	gcd-sort-of-an-array			Hard
2126	1973	count-nodes-equal-to-sum-of-descendants	🔒		Medium
2128	2000	reverse-prefix-of-word			Easy
2129	2001	number-of-pairs-of-interchangeable-rectangles			Medium
2130	2002	maximum-product-of-the-length-of-two-palindromic-subsequences			Medium
2131	2003	smallest-missing-genetic-value-in-each-subtree			Hard
2132	2022	convert-1d-array-into-2d-array			Easy
2133	2023	number-of-pairs-of-strings-with-concatenation-equal-to-target			Medium
2134	2024	maximize-the-confusion-of-an-exam		📝	Medium
2135	2025	maximum-number-of-ways-to-partition-an-array			Hard
2137	2011	final-value-of-variable-after-performing-operations	Java		Easy
2138	2012	sum-of-beauty-in-the-array			Medium
2139	2013	detect-squares			Medium
2140	2014	longest-subsequence-repeated-k-times			Hard
2141	1999	smallest-greater-multiple-made-of-two-digits	🔒		Medium
2142	2015	average-height-of-buildings-in-each-segment	🔒		Medium
2144	2016	maximum-difference-between-increasing-elements			Easy
2145	2017	grid-game			Medium
2146	2018	check-if-word-can-be-placed-in-crossword			Medium
2147	2019	the-score-of-students-solving-math-expression			Hard
2148	2037	minimum-number-of-moves-to-seat-everyone			Easy
2149	2038	remove-colored-pieces-if-both-neighbors-are-the-same-color			Medium
2150	2040	kth-smallest-product-of-two-sorted-arrays			Hard
2151	2039	the-time-when-the-network-becomes-idle			Medium
2153	2005	subtree-removal-game-with-fibonacci-tree	🔒		Hard
2154	2027	minimum-moves-to-convert-string			Easy
2155	2028	find-missing-observations			Medium
2156	2029	stone-game-ix			Medium
2157	2030	smallest-k-length-subsequence-with-occurrences-of-a-letter			Hard
2159	2032	two-out-of-three			Easy
2160	2033	minimum-operations-to-make-a-uni-value-grid			Medium
2161	2034	stock-price-fluctuation		📝	Medium
2162	2035	partition-array-into-two-arrays-to-minimize-sum-difference			Hard
2163	2053	kth-distinct-string-in-an-array			Easy
2164	2054	two-best-non-overlapping-events			Medium
2165	2055	plates-between-candles			Medium
2166	2056	number-of-valid-move-combinations-on-chessboard			Hard
2168	2042	check-if-numbers-are-ascending-in-a-sentence			Easy
2169	2043	simple-bank-system			Medium
2170	2044	count-number-of-maximum-bitwise-or-subsets			Medium
2171	2045	second-minimum-time-to-reach-destination		📝	Hard
2173	2047	number-of-valid-words-in-a-sentence			Easy
2174	2048	next-greater-numerically-balanced-number			Medium
2175	2049	count-nodes-with-the-highest-score			Medium
2176	2050	parallel-courses-iii			Hard
2177	2068	check-whether-two-strings-are-almost-equivalent			Easy
2178	2069	walking-robot-simulation-ii			Medium
2179	2070	most-beautiful-item-for-each-query			Medium
2180	2071	maximum-number-of-tasks-you-can-assign			Hard
2181	2057	smallest-index-with-equal-value			Easy
2182	2058	find-the-minimum-and-maximum-number-of-nodes-between-critical-points			Medium
2183	2059	minimum-operations-to-convert-number			Medium
2184	2060	check-if-an-original-string-exists-given-two-encoded-strings			Hard
2186	2062	count-vowel-substrings-of-a-string			Easy
2187	2063	vowels-of-all-substrings			Medium
2188	2064	minimized-maximum-of-products-distributed-to-any-store			Medium
2189	2065	maximum-path-quality-of-a-graph			Hard
2190	2085	count-common-words-with-one-occurrence			Easy
2191	2086	minimum-number-of-food-buckets-to-feed-the-hamsters			Medium
2192	2087	minimum-cost-homecoming-of-a-robot-in-a-grid			Medium
2193	2088	count-fertile-pyramids-in-a-land			Hard
2195	2073	time-needed-to-buy-tickets			Easy
2196	2074	reverse-nodes-in-even-length-groups			Medium
2197	2075	decode-the-slanted-ciphertext			Medium
2198	2076	process-restricted-friend-requests			Hard
2199	2078	two-furthest-houses-with-different-colors			Easy
2200	2132	stamping-the-grid			Hard
2201	2097	valid-arrangement-of-pairs			Hard
2202	2081	sum-of-k-mirror-numbers			Hard
2203	2061	number-of-spaces-cleaning-robot-cleaned	🔒		Medium
2204	2099	find-subsequence-of-length-k-with-the-largest-sum			Easy
2205	2100	find-good-days-to-rob-the-bank			Medium
2206	2101	detonate-the-maximum-bombs			Medium
2207	2102	sequentially-ordinal-rank-tracker			Hard
2209	2067	number-of-equal-count-substrings	🔒		Medium
2210	2089	find-target-indices-after-sorting-array			Easy
2211	2090	k-radius-subarray-averages		📝	Medium
2212	2091	removing-minimum-and-maximum-from-array			Medium
2213	2092	find-all-people-with-secret			Hard
2215	2094	finding-3-digit-even-numbers			Easy
2216	2095	delete-the-middle-node-of-a-linked-list		📝	Medium
2217	2096	step-by-step-directions-from-a-binary-tree-node-to-another			Medium
2218	2077	paths-in-maze-that-lead-to-same-room	🔒		Medium
2219	2114	maximum-number-of-words-found-in-sentences			Easy
2220	2115	find-all-possible-recipes-from-given-supplies			Medium
2221	2116	check-if-a-parentheses-string-can-be-valid			Medium
2222	2117	abbreviating-the-product-of-a-range			Hard
2225	2083	substrings-that-begin-and-end-with-the-same-letter	🔒		Medium
2226	2103	rings-and-rods			Easy
2227	2104	sum-of-subarray-ranges		📝	Medium
2228	2105	watering-plants-ii			Medium
2229	2106	maximum-fruits-harvested-after-at-most-k-steps			Hard
2230	2093	minimum-cost-to-reach-city-with-discounts	🔒		Medium
2231	2108	find-first-palindromic-string-in-the-array			Easy
2232	2109	adding-spaces-to-a-string			Medium
2233	2110	number-of-smooth-descent-periods-of-a-stock			Medium
2234	2111	minimum-operations-to-make-the-array-k-increasing			Hard
2235	2129	capitalize-the-title			Easy
2236	2130	maximum-twin-sum-of-a-linked-list		📝	Medium
2237	2131	longest-palindrome-by-concatenating-two-letter-words		📝	Medium
2238	2119	a-number-after-a-double-reversal			Easy
2239	2120	execution-of-all-suffix-instructions-staying-in-a-grid			Medium
2240	2121	intervals-between-identical-elements			Medium
2241	2122	recover-the-original-array			Hard
2242	2098	subsequence-of-size-k-with-the-largest-even-sum	🔒		Medium
2243	2124	check-if-all-as-appears-before-all-bs			Easy
2244	2125	number-of-laser-beams-in-a-bank			Medium
2245	2126	destroying-asteroids			Medium
2246	2127	maximum-employees-to-be-invited-to-a-meeting			Hard
2247	2107	number-of-unique-flavors-after-sharing-k-candies	🔒		Medium
2248	2144	minimum-cost-of-buying-candies-with-discount			Easy
2249	2145	count-the-hidden-sequences			Medium
2250	2146	k-highest-ranked-items-within-a-price-range			Medium
2251	2147	number-of-ways-to-divide-a-long-corridor			Hard
2254	2133	check-if-every-row-and-column-contains-all-numbers			Easy
2255	2134	minimum-swaps-to-group-all-1s-together-ii			Medium
2256	2135	count-words-obtained-after-adding-a-letter			Medium
2257	2136	earliest-possible-day-of-full-bloom		📝	Hard
2258	2113	elements-in-array-after-removing-and-replacing-elements	🔒		Medium
2259	2123	minimum-operations-to-remove-adjacent-ones-in-matrix	🔒		Hard
2260	2138	divide-a-string-into-groups-of-size-k			Easy
2261	2155	all-divisions-with-the-highest-score-of-a-binary-array			Medium
2262	2140	solving-questions-with-brainpower		📝	Medium
2263	2141	maximum-running-time-of-n-computers		📝	Hard
2264	2160	minimum-sum-of-four-digit-number-after-splitting-digits			Easy
2265	2161	partition-array-according-to-given-pivot			Medium
2266	2162	minimum-cost-to-set-cooking-time			Medium
2267	2163	minimum-difference-in-sums-after-removal-of-elements			Hard
2268	2128	remove-all-ones-with-row-and-column-flips	🔒		Medium
2269	2148	count-elements-with-strictly-smaller-and-greater-elements			Easy
2270	2150	find-all-lonely-numbers-in-the-array			Medium
2271	2149	rearrange-array-elements-by-sign			Medium
2272	2151	maximum-good-people-based-on-statements			Hard
2273	2137	pour-water-between-buckets-to-make-water-levels-equal	🔒		Medium
2274	2154	keep-multiplying-found-values-by-two			Easy
2275	2156	find-substring-with-given-hash-value			Hard
2276	2157	groups-of-strings			Hard
2277	2176	count-equal-and-divisible-pairs-in-an-array			Easy
2278	2177	find-three-consecutive-integers-that-sum-to-a-given-number			Medium
2279	2178	maximum-split-of-positive-even-integers			Medium
2280	2179	count-good-triplets-in-an-array			Hard
2282	2143	choose-numbers-from-two-arrays-in-range	🔒		Hard
2283	2164	sort-even-and-odd-indices-independently			Easy
2284	2165	smallest-value-of-the-rearranged-number			Medium
2285	2166	design-bitset			Medium
2286	2167	minimum-time-to-remove-all-cars-containing-illegal-goods			Hard
2287	2152	minimum-number-of-lines-to-cover-points	🔒		Medium
2288	2169	count-operations-to-obtain-zero			Easy
2289	2170	minimum-operations-to-make-the-array-alternating			Medium
2290	2171	removing-minimum-number-of-magic-beans			Medium
2291	2172	maximum-and-sum-of-array			Hard
2292	2185	counting-words-with-a-given-prefix			Easy
2293	2186	minimum-number-of-steps-to-make-two-strings-anagram-ii			Medium
2294	2187	minimum-time-to-complete-trips		📝	Medium
2295	2188	minimum-time-to-finish-the-race			Hard
2297	2158	amount-of-new-area-painted-each-day	🔒		Hard
2298	2180	count-integers-with-even-digit-sum			Easy
2299	2181	merge-nodes-in-between-zeros			Medium
2300	2182	construct-string-with-repeat-limit			Medium
2301	2183	count-array-pairs-divisible-by-k			Hard
2303	2168	unique-substrings-with-equal-digit-frequency	🔒		Medium
2304	2194	cells-in-a-range-on-an-excel-sheet			Easy
2305	2195	append-k-integers-with-minimal-sum			Medium
2306	2196	create-binary-tree-from-descriptions			Medium
2307	2197	replace-non-coprime-numbers-in-array			Hard
2308	2206	divide-array-into-equal-pairs			Easy
2309	2207	maximize-number-of-subsequences-in-a-string			Medium
2310	2208	minimum-operations-to-halve-array-sum			Medium
2311	2209	minimum-white-tiles-after-covering-with-carpets			Hard
2312	2190	most-frequent-number-following-key-in-an-array			Easy
2314	2174	remove-all-ones-with-row-and-column-flips-ii	🔒		Medium
2316	2210	count-hills-and-valleys-in-an-array			Easy
2317	2211	count-collisions-on-a-road			Medium
2318	2212	maximum-points-in-an-archery-competition			Medium
2319	2213	longest-substring-of-one-repeating-character			Hard
2320	2200	find-all-k-distant-indices-in-an-array			Easy
2321	2203	minimum-weighted-subgraph-with-the-required-paths			Hard
2322	2184	number-of-ways-to-build-sturdy-brick-wall	🔒		Medium
2323	2220	minimum-bit-flips-to-convert-number			Easy
2324	2221	find-triangular-sum-of-an-array			Medium
2325	2222	number-of-ways-to-select-buildings			Medium
2326	2223	sum-of-scores-of-built-strings			Hard
2327	2231	largest-number-after-digit-swaps-by-parity			Easy
2328	2232	minimize-result-by-adding-parentheses-to-expression			Medium
2329	2233	maximum-product-after-k-increments			Medium
2330	2234	maximum-total-beauty-of-the-gardens			Hard
2331	2248	intersection-of-multiple-arrays			Easy
2332	2249	count-lattice-points-inside-a-circle			Medium
2333	2250	count-number-of-rectangles-containing-each-point			Medium
2334	2251	number-of-flowers-in-full-bloom			Hard
2337	2259	remove-digit-from-number-to-maximize-result			Easy
2338	2260	minimum-consecutive-cards-to-pick-up			Medium
2339	2261	k-divisible-elements-subarrays			Medium
2340	2262	total-appeal-of-a-string			Hard
2341	2255	count-prefixes-of-a-given-string			Easy
2342	2256	minimum-average-difference		📝	Medium
2343	2257	count-unguarded-cells-in-the-grid			Medium
2344	2258	escape-the-spreading-fire			Hard
2345	2224	minimum-number-of-operations-to-convert-time			Easy
2346	2264	largest-3-same-digit-number-in-string			Easy
2347	2265	count-nodes-equal-to-average-of-subtree			Medium
2348	2266	count-number-of-texts			Medium
2349	2267	check-if-there-is-a-valid-parentheses-string-path			Hard
2350	2239	find-closest-number-to-zero			Easy
2351	2240	number-of-ways-to-buy-pens-and-pencils			Medium
2352	2241	design-an-atm-machine			Medium
2353	2242	maximum-score-of-a-node-sequence			Hard
2354	2214	minimum-health-to-beat-game	🔒	📝	Medium
2355	2274	maximum-consecutive-floors-without-special-floors			Medium
2356	2275	largest-combination-with-bitwise-and-greater-than-zero			Medium
2357	2276	count-integers-in-intervals			Hard
2358	2270	number-of-ways-to-split-array			Medium
2359	2271	maximum-white-tiles-covered-by-a-carpet			Medium
2360	2272	substring-with-largest-variance			Hard
2361	2243	calculate-digit-sum-of-a-string			Easy
2362	2244	minimum-rounds-to-complete-all-tasks		📝	Medium
2363	2245	maximum-trailing-zeros-in-a-cornered-path			Medium
2364	2246	longest-path-with-different-adjacent-characters		📝	Hard
2365	2278	percentage-of-letter-in-string			Easy
2366	2279	maximum-bags-with-full-capacity-of-rocks		📝	Medium
2367	2280	minimum-lines-to-represent-a-line-chart			Medium
2368	2281	sum-of-total-strength-of-wizards		📝	Hard
2369	2219	maximum-sum-score-of-array	🔒		Medium
2372	2287	rearrange-characters-to-make-target-string			Easy
2373	2288	apply-discount-to-prices			Medium
2374	2289	steps-to-make-array-non-decreasing			Medium
2375	2290	minimum-obstacle-removal-to-reach-corner			Hard
2377	2283	check-if-number-has-equal-digit-count-and-digit-value			Easy
2378	2284	sender-with-largest-word-count			Medium
2379	2285	maximum-total-importance-of-roads			Medium
2380	2286	booking-concert-tickets-in-groups			Hard
2383	2235	add-two-integers			Easy
2384	2236	root-equals-sum-of-children			Easy
2385	2237	count-positions-on-street-with-required-brightness	🔒		Medium
2386	2293	min-max-game			Easy
2387	2294	partition-array-such-that-maximum-difference-is-k			Medium
2388	2295	replace-elements-in-an-array			Medium
2389	2296	design-a-text-editor			Hard
2390	2306	naming-a-company		📝	Hard
2391	2299	strong-password-checker-ii			Easy
2392	2300	successful-pairs-of-spells-and-potions		📝	Medium
2393	2301	match-substring-after-replacement			Hard
2394	2302	count-subarrays-with-score-less-than-k			Hard
2395	2311	longest-binary-subsequence-less-than-or-equal-to-k			Medium
2396	2254	design-video-sharing-platform	🔒		Hard
2397	2320	count-number-of-ways-to-place-houses			Medium
2398	2319	check-if-matrix-is-x-matrix			Easy
2399	2313	minimum-flips-in-binary-tree-to-get-result	🔒		Hard
2400	2322	minimum-score-after-removals-on-a-tree			Hard
2401	2315	count-asterisks			Easy
2402	2317	maximum-xor-after-operations			Medium
2403	2316	count-unreachable-pairs-of-nodes-in-an-undirected-graph		📝	Medium
2404	2318	number-of-distinct-roll-sequences			Hard
2405	2268	minimum-number-of-keypresses	🔒		Medium
2406	2325	decode-the-message			Easy
2408	2327	number-of-people-aware-of-a-secret			Medium
2409	2328	number-of-increasing-paths-in-a-grid		📝	Hard
2411	2326	spiral-matrix-iv			Medium
2412	2335	minimum-amount-of-time-to-fill-cups			Easy
2413	2336	smallest-number-in-infinite-set		📝	Medium
2414	2337	move-pieces-to-obtain-a-string			Medium
2415	2338	count-the-number-of-ideal-arrays			Hard
2416	2331	evaluate-boolean-binary-tree			Easy
2417	2332	the-latest-time-to-catch-a-bus			Medium
2418	2333	minimum-sum-of-squared-difference			Medium
2419	2334	subarray-with-elements-greater-than-varying-threshold			Hard
2420	2277	closest-node-to-path-in-tree	🔒		Hard
2421	2341	maximum-number-of-pairs-in-array			Easy
2422	2343	query-kth-smallest-trimmed-number			Medium
2423	2344	minimum-deletions-to-make-array-divisible			Hard
2425	2282	number-of-people-that-can-be-seen-in-a-grid	🔒		Medium
2426	2291	maximum-profit-from-trading-stocks	🔒		Medium
2427	2351	first-letter-to-appear-twice			Easy
2428	2352	equal-row-and-column-pairs			Medium
2429	2353	design-a-food-rating-system			Medium
2430	2354	number-of-excellent-pairs			Hard
2432	2348	number-of-zero-filled-subarrays		📝	Medium
2433	2347	best-poker-hand			Easy
2434	2349	design-a-number-container-system			Medium
2435	2350	shortest-impossible-sequence-of-rolls			Hard
2436	2357	make-array-zero-by-subtracting-equal-amounts			Easy
2437	2358	maximum-number-of-groups-entering-a-competition			Medium
2438	2359	find-closest-node-to-given-two-nodes		📝	Medium
2439	2360	longest-cycle-in-a-graph		📝	Hard
2442	2367	number-of-arithmetic-triplets			Easy
2443	2369	check-if-there-is-a-valid-partition-for-the-array			Medium
2444	2370	longest-ideal-subsequence			Medium
2445	2368	reachable-nodes-with-restrictions		📝	Medium
2447	2363	merge-similar-items			Easy
2448	2364	count-number-of-bad-pairs			Medium
2449	2398	maximum-number-of-robots-within-budget			Hard
2450	2366	minimum-replacements-to-sort-the-array			Hard
2454	2373	largest-local-values-in-a-matrix			Easy
2455	2374	node-with-highest-edge-score			Medium
2456	2375	construct-smallest-number-from-di-string			Medium
2457	2376	count-special-integers			Hard
2458	2323	find-minimum-time-to-finish-all-jobs-ii	🔒		Medium
2459	2383	minimum-hours-of-training-to-win-a-competition			Easy
2461	2385	amount-of-time-for-binary-tree-to-be-infected			Medium
2462	2386	find-the-k-sum-of-an-array			Hard
2463	2379	minimum-recolors-to-get-k-consecutive-black-blocks			Easy
2464	2380	time-needed-to-rearrange-a-binary-string			Medium
2465	2381	shifting-letters-ii			Medium
2466	2382	maximum-segment-sum-after-removals			Hard
2468	2330	valid-palindrome-iv	🔒		Medium
2469	2389	longest-subsequence-with-limited-sum		📝	Easy
2470	2390	removing-stars-from-a-string		📝	Medium
2471	2391	minimum-amount-of-time-to-collect-garbage			Medium
2472	2392	build-a-matrix-with-conditions			Hard
2473	2342	max-sum-of-a-pair-with-equal-sum-of-digits			Medium
2474	2340	minimum-adjacent-swaps-to-make-a-valid-array	🔒		Medium
2475	2384	largest-palindromic-number			Medium
2476	2399	check-distances-between-same-letters			Easy
2477	2400	number-of-ways-to-reach-a-position-after-exactly-k-steps			Medium
2478	2401	longest-nice-subarray			Medium
2479	2402	meeting-rooms-iii			Hard
2480	2395	find-subarrays-with-equal-sum			Easy
2481	2396	strictly-palindromic-number			Medium
2482	2397	maximum-rows-covered-by-columns			Medium
2483	2365	task-scheduler-ii			Medium
2485	2345	finding-the-number-of-visible-mountains	🔒		Medium
2486	2404	most-frequent-even-element			Easy
2487	2405	optimal-partition-of-string		📝	Medium
2488	2406	divide-intervals-into-minimum-number-of-groups			Medium
2489	2459	sort-array-by-moving-items-to-empty-space	🔒		Hard
2490	2355	maximum-number-of-books-you-can-take	🔒		Hard
2491	2413	smallest-even-multiple			Easy
2492	2414	length-of-the-longest-alphabetical-continuous-substring			Medium
2493	2415	reverse-odd-levels-of-binary-tree			Medium
2494	2416	sum-of-prefix-scores-of-strings			Hard
2496	2409	count-days-spent-together			Easy
2497	2410	maximum-matching-of-players-with-trainers			Medium
2498	2411	smallest-subarrays-with-maximum-bitwise-or			Medium
2499	2412	minimum-money-required-before-transactions			Hard
2500	2361	minimum-costs-using-the-train-line	🔒		Hard
2502	2418	sort-the-people			Easy
2503	2419	longest-subarray-with-maximum-bitwise-and			Medium
2504	2420	find-all-good-indices			Medium
2505	2421	number-of-good-paths		📝	Hard
2506	2371	minimize-maximum-value-in-a-grid	🔒		Hard
2507	2427	number-of-common-factors			Easy
2508	2428	maximum-sum-of-an-hourglass			Medium
2509	2429	minimize-xor			Medium
2510	2430	maximum-deletions-on-a-string			Hard
2511	2522	partition-string-into-substrings-with-values-at-most-k			Medium
2512	2424	longest-uploaded-prefix			Medium
2513	2426	number-of-pairs-satisfying-inequality			Hard
2517	2378	choose-edges-to-maximize-score-in-a-tree	🔒		Medium
2518	2432	the-employee-that-worked-on-the-longest-task			Easy
2519	2433	find-the-original-array-of-prefix-xor			Medium
2520	2434	using-a-robot-to-print-the-lexicographically-smallest-string			Medium
2521	2435	paths-in-matrix-whose-sum-is-divisible-by-k			Hard
2522	2387	median-of-a-row-wise-sorted-matrix	🔒		Medium
2524	2441	largest-positive-integer-that-exists-with-its-negative			Easy
2525	2442	count-number-of-distinct-integers-after-reverse-operations			Medium
2526	2407	longest-increasing-subsequence-ii			Hard
2527	2444	count-subarrays-with-fixed-bounds		📝	Hard
2528	2437	number-of-valid-clock-times			Easy
2529	2438	range-product-queries-of-powers			Medium
2530	2439	minimize-maximum-of-array		📝	Medium
2531	2440	create-components-with-same-value			Hard
2532	2423	remove-letter-to-equalize-frequency			Easy
2533	2425	bitwise-xor-of-all-pairings			Medium
2535	2393	count-strictly-increasing-subarrays	🔒		Medium
2536	2446	determine-if-two-events-have-conflict			Easy
2537	2403	minimum-time-to-kill-all-monsters	🔒		Hard
2538	2448	minimum-cost-to-make-array-equal		📝	Hard
2539	2449	minimum-number-of-operations-to-make-arrays-similar			Hard
2540	2647	color-the-triangle-red	🔒		Hard
2541	2443	sum-of-number-and-its-reverse			Medium
2542	2455	average-value-of-even-numbers-that-are-divisible-by-three			Easy
2543	2456	most-popular-video-creator			Medium
2544	2457	minimum-addition-to-make-integer-beautiful			Medium
2545	2458	height-of-binary-tree-after-subtree-removal-queries			Hard
2546	2447	number-of-subarrays-with-gcd-equal-to-k			Medium
2547	2451	odd-string-difference			Easy
2548	2453	destroy-sequential-targets			Medium
2549	2454	next-greater-element-iv			Hard
2550	2452	words-within-two-edits-of-dictionary			Medium
2551	2460	apply-operations-to-an-array			Easy
2552	2461	maximum-sum-of-distinct-subarrays-with-length-k			Medium
2553	2462	total-cost-to-hire-k-workers		📝	Medium
2554	2463	minimum-total-distance-traveled			Hard
2555	2408	design-sql	🔒		Medium
2556	2469	convert-the-temperature			Easy
2557	2470	number-of-subarrays-with-lcm-equal-to-k			Medium
2558	2471	minimum-number-of-operations-to-sort-a-binary-tree-by-level			Medium
2559	2472	maximum-number-of-non-overlapping-palindrome-substrings			Hard
2560	2417	closest-fair-integer	🔒		Medium
2561	2465	number-of-distinct-averages			Easy
2562	2466	count-ways-to-build-good-strings		📝	Medium
2563	2468	split-message-based-on-limit			Hard
2564	2467	most-profitable-path-in-a-tree			Medium
2565	2422	merge-operations-to-turn-array-into-a-palindrome	🔒		Medium
2566	2475	number-of-unequal-triplets-in-array			Easy
2567	2476	closest-nodes-queries-in-a-binary-search-tree			Medium
2568	2477	minimum-fuel-cost-to-report-to-the-capital		📝	Medium
2569	2478	number-of-beautiful-partitions			Hard
2570	2431	maximize-total-tastiness-of-purchased-fruits	🔒		Medium
2571	2485	find-the-pivot-integer			Easy
2572	2486	append-characters-to-string-to-make-subsequence			Medium
2573	2487	remove-nodes-from-linked-list			Medium
2574	2488	count-subarrays-with-median-k			Hard
2575	2481	minimum-cuts-to-divide-a-circle			Easy
2576	2483	minimum-penalty-for-a-shop			Medium
2577	2484	count-palindromic-subsequences			Hard
2579	2436	minimum-split-into-subarrays-with-gcd-greater-than-one	🔒		Medium
2580	2490	circular-sentence			Easy
2581	2491	divide-players-into-teams-of-equal-skill			Medium
2582	2492	minimum-score-of-a-path-between-two-cities		📝	Medium
2583	2493	divide-nodes-into-the-maximum-number-of-groups			Hard
2584	2445	number-of-nodes-with-value-one	🔒		Medium
2585	2500	delete-greatest-value-in-each-row			Easy
2586	2501	longest-square-streak-in-an-array			Medium
2587	2502	design-memory-allocator			Medium
2588	2503	maximum-number-of-points-from-grid-queries			Hard
2589	2496	maximum-value-of-a-string-in-an-array			Easy
2590	2497	maximum-star-sum-of-a-graph			Medium
2591	2498	frog-jump-ii			Medium
2592	2499	minimum-total-cost-to-make-arrays-unequal			Hard
2593	2450	number-of-distinct-binary-strings-after-applying-operations	🔒		Medium
2594	2506	count-pairs-of-similar-strings			Easy
2595	2507	smallest-value-after-replacing-with-sum-of-prime-factors			Medium
2596	2508	add-edges-to-make-degrees-of-all-nodes-even			Hard
2597	2509	cycle-length-queries-in-a-tree			Hard
2598	2515	shortest-distance-to-target-string-in-a-circular-array			Easy
2599	2516	take-k-of-each-character-from-left-and-right			Medium
2600	2517	maximum-tastiness-of-candy-basket			Medium
2601	2518	number-of-great-partitions			Hard
2602	2511	maximum-enemy-forts-that-can-be-captured			Easy
2603	2512	reward-top-k-students			Medium
2604	2541	minimum-operations-to-make-array-equal-ii			Medium
2605	2514	count-anagrams			Hard
2606	2482	difference-between-ones-and-zeros-in-row-and-column			Medium
2607	2464	minimum-subarrays-in-a-valid-split	🔒		Medium
2608	2520	count-the-digits-that-divide-a-number			Easy
2609	2521	distinct-prime-factors-of-product-of-array			Medium
2610	2523	closest-prime-numbers-in-range			Medium
2612	2473	minimum-cost-to-buy-apples	🔒		Medium
2614	2529	maximum-count-of-positive-integer-and-negative-integer			Easy
2615	2531	make-number-of-distinct-characters-equal			Medium
2616	2530	maximal-score-after-applying-k-operations			Medium
2617	2534	time-taken-to-cross-the-door	🔒		Hard
2618	2528	maximize-the-minimum-powered-city			Hard
2619	2525	categorize-box-according-to-criteria			Easy
2620	2526	find-consecutive-integers-from-a-data-stream			Medium
2621	2527	find-xor-beauty-of-array			Medium
2623	2479	maximum-xor-of-two-non-overlapping-subtrees	🔒		Hard
2624	2535	difference-between-element-sum-and-digit-sum-of-an-array			Easy
2625	2536	increment-submatrices-by-one			Medium
2626	2537	count-the-number-of-good-subarrays			Medium
2627	2538	difference-between-maximum-and-minimum-price-sum			Hard
2628	2513	minimize-the-maximum-of-two-arrays			Medium
2629	2489	number-of-substrings-with-fixed-ratio	🔒		Medium
2630	2544	alternating-digit-sum			Easy
2631	2545	sort-the-students-by-their-kth-score			Medium
2632	2546	apply-bitwise-operations-to-make-strings-equal			Medium
2633	2547	minimum-cost-to-split-an-array			Hard
2634	2540	minimum-common-value			Easy
2635	2543	check-if-point-is-reachable			Hard
2636	2542	maximum-subsequence-score		📝	Medium
2638	2495	number-of-subarrays-having-even-product	🔒		Medium
2639	2553	separate-the-digits-in-an-array			Easy
2640	2554	maximum-number-of-integers-to-choose-from-a-range-i			Medium
2641	2556	disconnect-path-in-a-binary-matrix-by-at-most-one-flip			Medium
2642	2532	time-to-cross-a-bridge			Hard
2644	2505	bitwise-or-of-all-subsequence-sums	🔒		Medium
2645	2582	pass-the-pillow			Easy
2646	2583	kth-largest-sum-in-a-binary-tree			Medium
2647	2584	split-the-array-to-make-coprime-products			Hard
2648	2585	number-of-ways-to-earn-points			Hard
2649	2579	count-total-number-of-colored-cells			Medium
2650	2578	split-with-minimum-sum			Easy
2651	2580	count-ways-to-group-overlapping-ranges			Medium
2652	2581	count-number-of-possible-root-nodes			Hard
2653	2510	check-if-there-is-a-path-with-equal-number-of-0s-and-1s	🔒		Medium
2654	2586	count-the-number-of-vowel-strings-in-range			Easy
2655	2587	rearrange-array-to-maximize-prefix-score			Medium
2656	2588	count-the-number-of-beautiful-subarrays			Medium
2657	2589	minimum-time-to-complete-all-tasks			Hard
2658	2519	count-the-number-of-k-big-indices	🔒		Hard
2659	2595	number-of-even-and-odd-bits			Easy
2661	2598	smallest-missing-non-negative-integer-after-operations			Medium
2662	2596	check-knight-tour-configuration			Medium
2663	2591	distribute-money-to-maximum-children			Easy
2664	2592	maximize-greatness-of-an-array			Medium
2665	2594	minimum-time-to-repair-cars			Medium
2666	2604	minimum-time-to-eat-all-grains	🔒		Hard
2667	2524	maximum-frequency-score-of-a-subarray	🔒		Hard
2668	2605	form-smallest-number-from-two-digit-arrays			Easy
2669	2606	find-the-substring-with-maximum-cost			Medium
2670	2607	make-k-subarray-sums-equal			Medium
2671	2608	shortest-cycle-in-a-graph			Hard
2672	2533	number-of-good-binary-strings	🔒		Medium
2673	2555	maximize-win-from-two-segments			Medium
2674	2599	make-the-prefix-sum-non-negative	🔒		Medium
2675	2639	find-the-width-of-columns-of-a-grid			Easy
2676	2640	find-the-score-of-all-prefixes-of-an-array			Medium
2677	2641	cousins-in-binary-tree-ii			Medium
2678	2642	design-graph-with-shortest-path-calculator			Hard
2679	2549	count-distinct-numbers-on-board			Easy
2680	2550	count-collisions-of-monkeys-on-a-polygon			Medium
2681	2551	put-marbles-in-bags		📝	Hard
2682	2552	count-increasing-quadruplets			Hard
2683	2539	count-the-number-of-good-subsequences	🔒		Medium
2684	2660	determine-the-winner-of-a-bowling-game			Easy
2685	2661	first-completely-painted-row-or-column			Medium
2686	2662	minimum-cost-of-a-path-with-special-roads			Medium
2687	2663	lexicographically-smallest-beautiful-string			Hard
2688	2590	design-a-todo-list	🔒		Medium
2689	2561	rearranging-fruits			Hard
2690	2560	house-robber-iv			Medium
2691	2559	count-vowel-strings-in-ranges			Medium
2692	2558	take-gifts-from-the-richest-pile			Easy
2693	2548	maximum-price-to-fill-a-bag	🔒		Medium
2694	2644	find-the-maximum-divisibility-score			Easy
2695	2593	find-score-of-an-array-after-marking-all-elements			Medium
2696	2597	the-number-of-beautiful-subsets			Medium
2697	2617	minimum-number-of-visited-cells-in-a-grid			Hard
2698	2562	find-the-array-concatenation-value			Easy
2699	2563	count-the-number-of-fair-pairs			Medium
2700	2564	substring-xor-queries			Medium
2701	2565	subsequence-with-the-minimum-score			Hard
2702	2557	maximum-number-of-integers-to-choose-from-a-range-ii	🔒		Medium
2703	2569	handling-sum-queries-after-update			Hard
2704	2566	maximum-difference-by-remapping-a-digit			Easy
2705	2568	minimum-impossible-or			Medium
2706	2567	minimum-score-by-changing-two-elements			Medium
2707	2570	merge-two-2d-arrays-by-summing-values			Easy
2708	2573	find-the-string-with-lcp			Hard
2709	2572	count-the-number-of-square-free-subsets			Medium
2710	2571	minimum-operations-to-reduce-an-integer-to-0			Medium
2711	2577	minimum-time-to-visit-a-cell-in-a-grid			Hard
2712	2576	find-the-maximum-number-of-marked-indices			Medium
2713	2575	find-the-divisibility-array-of-a-string			Medium
2714	2574	left-and-right-sum-differences			Easy
2715	2600	k-items-with-the-maximum-sum			Easy
2716	2601	prime-subtraction-operation			Medium
2717	2603	collect-coins-in-a-tree			Hard
2718	2602	minimum-operations-to-make-all-array-elements-equal			Medium
2719	2613	beautiful-pairs	🔒		Hard
2720	2616	minimize-the-maximum-difference-of-pairs			Medium
2721	2615	sum-of-distances			Medium
2722	2614	prime-in-diagonal			Easy
2723	2609	find-the-longest-balanced-substring-of-a-binary-string			Easy
2724	2610	convert-an-array-into-a-2d-array-with-conditions			Medium
2725	2611	mice-and-cheese			Medium
2726	2612	minimum-reverse-operations			Hard
2736	2645	minimum-additions-to-make-valid-string			Medium
2737	2643	row-with-maximum-ones			Easy
2738	2638	count-the-number-of-k-free-subsets	🔒		Medium
2739	2646	minimize-the-total-price-of-the-trips			Hard
2748	2651	calculate-delayed-arrival-time			Easy
2751	2653	sliding-subarray-beauty			Medium
2752	2652	sum-multiples			Easy
2753	2654	minimum-number-of-operations-to-make-all-array-elements-equal-to-1			Medium
2764	2658	maximum-number-of-fish-in-a-grid			Medium
2765	2659	make-array-empty			Hard
2766	2657	find-the-prefix-common-array-of-two-arrays			Medium
2767	2656	maximum-sum-with-exactly-k-elements			Easy
2777	2670	find-the-distinct-difference-array			Easy
2778	2671	frequency-tracker			Medium
2779	2672	number-of-adjacent-elements-with-the-same-color			Medium
2780	2673	make-costs-of-paths-equal-in-a-binary-tree			Medium
2815	2655	find-maximal-uncovered-ranges	🔒		Medium
2823	2664	the-knights-tour	🔒		Medium