제출 #1314373

#제출 시각아이디문제언어결과실행 시간메모리
1314373Cyanberry장애물 (IOI25_obstacles)C++20
0 / 100
53 ms5092 KiB
#include "obstacles.h" #include <bits/stdc++.h> using namespace std; set<int> walls; void initialize(std::vector<int> T, std::vector<int> H) { int maxT = 0; for (int i = 0; i < T.size(); ++i) { maxT = max(maxT, T[i]); } for (int i = 0; i < H.size(); ++i) { if (H[i] > maxT) { walls.insert(i); } } } bool can_reach(int L, int R, int S, int D) { return walls.lower_bound(S) == walls.upper_bound(D); }
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