Submission #1092137

#	Time	Username	Problem	Language	Result	Execution time	Memory
1092137		ezzzay	Sure Bet (CEOI17_sure)	C++14	60 / 100	79 ms	6432 KiB

sure

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define ff first
#define ss second
#define pb push_back
double px[30000],py[30000];
signed main(){
    int n;
    cin>>n;
    vector<double>a,b;
    for(int i=0;i<n;i++){
        double x,y;
        cin>>x>>y;
        a.pb(x);
        b.pb(y);
    }
    sort(a.begin(),a.end(),greater<double>());
    sort(b.begin(),b.end(),greater<double>());
    for(int i=0;i<n;i++){
        px[i+1]=px[i]+a[i];
        py[i+1]=py[i]+b[i];
    }
    double ans=0;
    for(int x=1;x<=n;x++){
        for(int y=1;y<=n;y++){
            ans=max(ans,min(px[x],py[y])-x-y);
        }
    }
    cout<<fixed<<setprecision(4)<<ans;
}

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