제출 #153856

#제출 시각아이디문제언어결과실행 시간메모리
153856AldeaDanutAkcija (COCI15_akcija)C++14
80 / 80
60 ms1020 KiB
#include <iostream>
#include <algorithm>
using namespace std;

int n,i,v[100001];
long long sum;

int main(){
    cin>>n;
    for(i=1;i<=n;i++)
        cin>>v[i],sum+=v[i];

    sort(v+1,v+n+1);
    for(i=n-2;i>0;i-=3)
        sum-=v[i];

    cout<<sum;
}
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