제출 #858377

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
858377		Tenis0206	Sure Bet (CEOI17_sure)	C++11	60 / 100	2009 ms	3156 KiB

sure

#include <bits/stdc++.h>

using namespace std;

const int nmax = 1e5;

int n;
double a[nmax + 5], b[nmax + 5];

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    #ifdef home
    freopen("nr.in","r",stdin);
    freopen("nr.out","w",stdout);
    #endif // home
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        cin>>a[i]>>b[i];
    }
    sort(a+1,a+n+1,greater<double>());
    sort(b+1,b+n+1,greater<double>());
    double rez = 0;
    double sum_a = 0;
    for(int nra=0;nra<=n;nra++)
    {
        sum_a += a[nra];
        double sum_b = 0;
        for(int nrb=0;nrb<=n;nrb++)
        {
            sum_b += b[nrb];
            rez = max(rez, min(sum_b - (nra + nrb), sum_a - (nra + nrb)));
        }
    }
    cout<<fixed<<setprecision(4);
    cout<<rez<<'\n';
    return 0;
}

• Subtask 1: 20 / 20
• Subtask 2: 40 / 40
• Subtask 3: 0 / 40