Submission #577120

#	Time	Username	Problem	Language	Result	Execution time	Memory
577120		andrei_boaca	Sure Bet (CEOI17_sure)	C++14	60 / 100	2066 ms	3164 KiB

sure

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
double a[100005],b[100005],ans;
int n;
int main()
{
    cin>>n;
    for(int i=1;i<=n;i++)
        cin>>a[i]>>b[i];
    sort(a+1,a+n+1);
    reverse(a+1,a+n+1);
    sort(b+1,b+n+1);
    reverse(b+1,b+n+1);
    for(int i=1;i<=n;i++)
        a[i]+=a[i-1];
    for(int i=1;i<=n;i++)
        b[i]+=b[i-1];
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++)
    {
        double x=min(a[i],b[j])-i-j;
        ans=max(ans,x);
    }
    cout<<fixed<<setprecision(4)<<ans;
    return 0;
}

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