Submission #866566

#	Time	Username	Problem	Language	Result	Execution time	Memory
866566		12345678	Sure Bet (CEOI17_sure)	C++17	60 / 100	2029 ms	3148 KiB

sure

#include <bits/stdc++.h>

using namespace std;

int n;
double ans;

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n;
    vector<double> a(n), b(n);
    for (int i=0; i<n; i++) cin>>a[i]>>b[i];
    sort(a.begin(), a.end());
    reverse(a.begin(), a.end());
    sort(b.begin(), b.end());
    reverse(b.begin(), b.end());
    for (int i=1; i<n; i++) a[i]+=a[i-1], b[i]+=b[i-1];
    for (int i=0; i<n; i++) for (int j=0; j<n; j++) ans=max(ans, min(a[i], b[j])-i-j-2);
    printf("%.4lf", ans);
}

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