제출 #1007894

#제출 시각아이디문제언어결과실행 시간메모리
1007894christinelynnLasers (NOI19_lasers)C++17
24 / 100
47 ms6064 KiB
#include <bits/stdc++.h> using namespace std; #define int long long #define endl "\n" signed main(){ ios_base::sync_with_stdio(0); cin.tie(0); int n, q; cin >> n >> q; int mx = -1e18; while ( q-- ){ int temp; cin >> temp; if ( temp == 1 ){ int yes; cin >> yes; mx = max ( mx, max ( 0ll, 2 * yes - n)); } } cout << mx << endl; }
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