제출 #1116954

#제출 시각아이디문제언어결과실행 시간메모리
1116954Trisanu_DasLasers (NOI19_lasers)C++17
24 / 100
54 ms6216 KiB
#include <bits/stdc++.h> using namespace std; signed main(){ cin.tie(0)->sync_with_stdio(0); int l, r, ans = 0; cin >> l >> r; while(r--){ int x, n; cin >> x >> n; ans = max(ans, max(0, 2 * n - l)); } cout << ans << '\n'; }
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