제출 #1170529

#제출 시각아이디문제언어결과실행 시간메모리
1170529lopkusInfinite Race (EGOI24_infiniterace2)C++20
29 / 100
1095 ms1096 KiB
#include <bits/stdc++.h> int main() { std::ios::sync_with_stdio(false); std::cin.tie(nullptr); int n, q; std::cin >> n >> q; std::vector<int> a(q + 1); for(int i = 1; i <= q; i++) { std::cin >> a[i]; } int ans = 0; for(int i = 1; i < n; i++) { std::map<int,int> was; int c = 0; for(int j = 1; j <= q; j++) { //std::cout << i << " " << j << " " << was[i] << "\n"; if(a[j] == i) { if(was[i]) { c += 1; } was[i] = 1; } if(a[j] == - i) { was[i] = 0; } } ans = std::max(ans, c); } std::cout << ans; }
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