제출 #1308953

#제출 시각아이디문제언어결과실행 시간메모리
1308953lyra_g13Lasers (NOI19_lasers)C++20
0 / 100
10 ms572 KiB
#include <bits/stdc++.h> using ll = long long; using namespace std; int main() { std::ios_base::sync_with_stdio(false); std::cin.tie(nullptr); ll l, r; cin >> l >> r; vector<ll> a(r); ll minn = 0; ll maxx = 0; for (int i = 0; i < r; i++) { ll x; cin >> x; for (int j = 0; j < x; j++) { cin >> a[i]; } if (a[i] >= l / 2) { maxx = max(a[i], maxx); } else { minn = max(a[i], minn); } } if (maxx = l) { cout << l << "\n"; } else { cout << minn << "\n"; } }
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