제출 #964586

#제출 시각아이디문제언어결과실행 시간메모리
964586Trisanu_DasSure Bet (CEOI17_sure)C++17
60 / 100
67 ms3756 KiB
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(0); cin.tie(0); int n; cin >> n; vector<double> a(n), b(n); for (int i = 0; i < n; i++) cin >> a[i] >> b[i]; sort(a.rbegin(), a.rend()); sort(b.rbegin(), b.rend()); double ans = 0, sa = 0, sb = 0, ptr_a = 0, ptr_b = 0; for (int i = 1; i <= 2 * n; i++){ if (sa < sb && ptr_a != n){ sa += a[ptr_a]; ptr_a++; }else{ sb += b[ptr_b]; ptr_b++; } ans = max(ans, min(sa, sb) - i); } printf("%.4lf\n", ans); }
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