LeetCode Solutions

ID	Link to description	Link to solution
1	Two Sum	Solution
2	Add Two Numbers	Solution
3	Longest Substring Without Repeating Characters	Solution
4	Median of Two Sorted Arrays	Solution
6	Zigzag Conversion	Solution
14	Longest Common Prefix	Solution
19	Remove Nth Node From End of List	Solution
20	Valid Parentheses	Solution
21	Merge Two Sorted Lists	Solution
28	Find the Index of the First Occurrence in a String	Solution
32	Longest Valid Parenthesess	Solution
35	Search Insert Position	Solution
36	Valid Sudoku	Solution
53	Maximum Subarray	Solution
55	Jump Game	Solution
57	Insert Interval	Solution
62	Unique Paths	Solution
64	Minimum Path Sum	Solution
70	Climbing Stairs	Solution
77	Combinations	Solution
83	Remove Duplicates from Sorted List	Solution
88	Merge Sorted Array	Solution
91	Decode Ways	Solution
93	Restore IP Addresses	Solution
94	Binary Tree Inorder Traversal	Solution
98	Validate Binary Search Tree	Solution
100	Same Tree	Solution
101	Symmetric Tree	Solution
102	Binary Tree Level Order Traversal	Solution
104	Maximum Depth of Binary Tree	Solution
112	Path Sum	Solution
116	Populating Next Right Pointers in Each Node	Solution
118	Pascal's Triangle	Solution
119	Pascal's Triangle II	Solution
120	Triangle	Solution
121	Best Time to Buy and Sell Stock	Solution
124	Binary Tree Maximum Path Sum	Solution
131	Palindrome Partitioning	Solution
134	Gas Station	Solution
136	Single Number	Solution
141	Linked List Cycle	Solution
142	Linked List Cycle II	Solution
145	Binary Tree Postorder Traversal	Solution
149	Max Points on a Line	Solution
150	Evaluate Reverse Polish Notation	Solution
167	Two Sum II - Input Array Is Sorted	Solution
189	Rotate Array	Solution
190	Reverse Bits	Solution
191	Number of 1 Bits	Solution
198	House Robber	Solution
200	Number of Islands	Solution
203	Remove Linked List Elements	Solution
205	Isomorphic Strings	Solution
206	Reverse Linked List	Solution
217	Contains Duplicate	Solution
226	Invert Binary Tree	Solution
231	Power of Two	Solution
232	Implement Queue using Stacks	Solution
235	Lowest Common Ancestor of a Binary Search Tree	Solution
242	Valid Anagram	Solution
278	First Bad Version	Solution
283	Move Zeroes	Solution
290	Word Pattern	Solution
299	Bulls and Cows	Solution
309	Best Time to Buy and Sell Stock with Cooldown	Solution
328	Odd Even Linked List	Solution
344	Reverse String	Solution
350	Intersection of Two Arrays II	Solution
352	Data Stream as Disjoint Intervals	Solution
383	Ransom Note	Solution
387	First Unique Character in a String	Solution
392	Is Subsequence	Solution
394	Decode String	Solution
409	Longest Palindrome	Solution
424	Longest Repeating Character Replacement	Solution
438	Find All Anagrams in a String	Solution
451	Sort Characters By Frequency	Solution
452	Minimum Number of Arrows to Burst Balloons	Solution
455	Assign Cookies	Solution
472	Concatenated Words	Solution
509	Fibonacci Number	Solution
520	Detect Capital	Solution
542	01 Matrix	Solution
557	Reverse Words in a String III	Solution
566	Reshape the Matrix	Solution
567	Permutation in String	Solution
589	N-ary Tree Preorder Traversal	Solution
617	Merge Two Binary Trees	Solution
653	Two Sum IV - Input is a BST	Solution
661	Image Smoother	Solution
692	Top K Frequent Words	Solution
695	Max Area of Island	Solution
700	Search in a Binary Search Tree	Solution
701	Insert into a Binary Search Tree	Solution
704	Binary Search	Solution
724	Find Pivot Index	Solution
733	Flood Fill	Solution
739	Daily Temperatures	Solution
746	Min Cost Climbing Stairs	Solution
784	Letter Case Permutation	Solution
787	Cheapest Flights Within K Stops	Solution
790	Domino and Tromino Tiling	Solution
797	All Paths From Source to Target	Solution
834	Sum of Distances in Tree	Solution
837	New 21 Game	Solution
841	Keys and Rooms	Solution
844	Backspace String Compare	Solution
872	Leaf-Similar Trees	Solution
876	Middle of the Linked List	Solution
886	Possible Bipartition	Solution
909	Snakes and Ladders	Solution
918	Maximum Sum Circular Subarray	Solution
926	Flip String to Monotone Increasing	Solution
931	Minimum Falling Path Sum	Solution
938	Range Sum of BST	Solution
944	Delete Columns to Make Sorted	Solution
947	Most Stones Removed with Same Row or Column	Solution
953	Verifying an Alien Dictionary	Solution
974	Subarray Sums Divisible by K	Solution
977	Squares of a Sorted Array	Solution
980	Unique Paths III	Solution
994	Rotting Oranges	Solution
997	Find the Town Judge	Solution
1026	Maximum Difference Between Node and Ancestor	Solution
1046	Last Stone Weight	Solution
1061	Lexicographically Smallest Equivalent String	Solution
1071	Greatest Common Divisor of Strings	Solution
1137	N-th Tribonacci Number	Solution
1143	Longest Common Subsequence	Solution
1235	Maximum Profit in Job Scheduling	Solution
1339	Maximum Product of Splitted Binary Tree	Solution
1443	Minimum Time to Collect All Apples in a Tree	Solution
1470	Shuffle the Array	Solution
1480	Running Sum of 1d Array	Solution
1519	Number of Nodes in the Sub-Tree With the Same Label	Solution
1531	String Compression II	Solution
1567	Maximum Length of Subarray With Positive Product	Solution
1603	Design Parking System	Solution
1624	Largest Substring Between Two Equal Characters	Solution
1626	Best Team With No Conflicts	Solution
1657	Determine if Two Strings Are Close	Solution
1704	Determine if String Halves Are Alike	Solution
1751	Maximum Number of Events That Can Be Attended II	Solution
1833	Maximum Ice Cream Bars	Solution
1834	Single-Threaded CPU	Solution
1897	Redistribute Characters to Make All Strings Equal	Solution
1936	Add Minimum Number of Rungs	Solution
1962	Remove Stones to Minimize the Total	Solution
1971	Find if Path Exists in Graph	Solution
2008	Maximum Earnings From Taxi	Solution
2054	Two Best Non-Overlapping Events	Solution
2244	Minimum Rounds to Complete All Tasks	Solution
2246	Longest Path With Different Adjacent Characters	Solution
2256	Minimum Average Difference	Solution
2279	Maximum Bags With Full Capacity of Rocks	Solution
2359	Find Closest Node to Given Two Nodes	Solution
2389	Longest Subsequence With Limited Sum	Solution
2421	Number of Good Paths	Solution
2496	Maximum Value of a String in an Array	Solution
2497	Maximum Star Sum of a Graph	Solution
2498	Frog Jump II	Solution
2500	Delete Greatest Value in Each Row	Solution
2501	Longest Square Streak in an Array	Solution
2502	Design Memory Allocator	Solution
2503	Maximum Number of Points From Grid Queries	Solution
2511	Maximum Enemy Forts That Can Be Captured	Solution
2512	Reward Top K Students	Solution
2513	Minimize the Maximum of Two Arrays	Solution
2514	Count Anagrams	Solution
2525	Categorize Box According to Criteria	Solution
2526	Find Consecutive Integers from a Data Stream	Solution
2527	Find Xor-Beauty of Array	Solution
2540	Minimum Common Value	Solution
2541	Minimum Operations to Make Array Equal II	Solution
2542	Maximum Subsequence Score	Solution