제출 #42719

#제출 시각아이디문제언어결과실행 시간메모리
42719theknife2001Akcija (COCI15_akcija)C++14
80 / 80
42 ms3388 KiB
#include <bits/stdc++.h>


using namespace std;
const int N=1e5+55;
int a[N];


int main()
{
    int n;
    cin>>n;
    for(int i=0;i<n;i++)
        cin>>a[i];
    sort(a,a+n);
    long long ans=0;
    for(int i=n-1;i>=0;i--)
    {
        if(i>=2)
        {
            ans+=a[i];
            i--;
            ans+=a[i];
            i--;
        }
        else
            ans+=a[i];
    }
    cout<<ans<<endl;


    return 0;
}
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