Submission #468694

#	Time	Username	Problem	Language	Result	Execution time	Memory
468694		Redmoonautumn	Sure Bet (CEOI17_sure)	C++17	20 / 100	63 ms	284 KiB

sure

#include <bits/stdc++.h>
using namespace std;

#define int int64_t

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    
    int n;
    cin>>n;
    vector<double> a(n);
    vector<double> b(n);

    for(int i=0;i<n;i++){
        cin>>a[i]>>b[i];
    }

    double win=0;
    for(int i=0;i<(1<<n);i++){
        for(int j=0;j<(1<<n);j++){
            double anz=0;
            double wina=0;
            double winb=0;
            for(int k=0;k<n;k++){
                if(i&(1<<k)){
                    anz++;
                    wina+=a[k];
                }
                if(j&(1<<k)){
                    anz++;
                    winb+=b[k];
                }
            }
            double winnow=min(wina-anz, winb-anz);
            win=max(win,winnow);
        }
    }
    printf("%.4lf",(double)win);

}

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