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Author: tjdls111

17000/17619.py

@@ -0,0 +1,32 @@
+import sys
+
+input = sys.stdin.readline
+
+N, Q = map(int, input().split())
+
+line = [[*map(int, input().split())] + [i] for i in range(1, N + 1)]  # 원래 인덱스를 저장해야 하므로!!
+line.sort(key=lambda x: (x[0], -x[1]))
+
+connect = [0] * (N + 1)
+
+right = line[0][1]
+idx = 0
+for i in range(1, N):
+    a, b = line[i][0], line[i][1]
+    if right < a:  # 안 겹칠 때
+        right = b
+        idx += 1
+        connect[line[i][3]] = idx
+
+    elif right < b:  # 겹칠 때
+        right = b
+        connect[line[i][3]] = idx  # 원래 인덱스 위치에 저장
+    elif b <= right:  # 겹칠 때
+        connect[line[i][3]] = idx  # 원래 인덱스 위치에 저장
+
+for _ in range(Q):
+    x1, x2 = map(int, input().split())
+    if connect[x1] == connect[x2]:
+        print(1)
+    else:
+        print(0)

problem_lists/2022.md

@@ -53,3 +53,5 @@
 [1715. 카드 정렬하기](https://www.acmicpc.net/problem/1715) 🌸[설명](https://dalseoin.tistory.com/entry/%EB%B0%B1%EC%A4%80-%ED%8C%8C%EC%9D%B4%EC%8D%AC-1715-%EC%B9%B4%EB%93%9C-%EC%A0%95%EB%A0%AC%ED%95%98%EA%B8%B0)
 
 [21202. Conquest](https://www.acmicpc.net/problem/21202) 🦄[설명](https://dalseoin.tistory.com/entry/%EB%B0%B1%EC%A4%80-%ED%8C%8C%EC%9D%B4%EC%8D%AC-21202-Conquest)
+
+[17619 개구리 점프](https://www.acmicpc.net/problem/17619) 🐸 [설명](https://dalseoin.tistory.com/entry/%EB%B0%B1%EC%A4%80-%ED%8C%8C%EC%9D%B4%EC%8D%AC-17619-%EA%B0%9C%EA%B5%AC%EB%A6%AC-%EC%A0%90%ED%94%84)