제출 #52676

#제출 시각아이디문제언어결과실행 시간메모리
52676snat123Sure Bet (CEOI17_sure)C++14
60 / 100
163 ms2152 KiB
#include<bits/stdc++.h> using namespace std; double a[100001], b[100001]; int main(){ int n; cin >> n; for(int i=0; i<n; i++) cin >> a[i] >> b[i]; sort(a, a+n); sort(b, b+n); int i=n-1, j=n-1; double x=0.0, y=0.0, res=0.0; while(i>=0 || j>=0){ if(j>=0 && x>y) y+=b[j--]; else x+=a[i--]; res=max(res, min(x, y)-(n-i)-(n-j)+2); } printf("%.4lf", res); return 0; }
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