제출 #153872

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
153872	2019-09-17 06:08:49	vladciuperceanu	Akcija (COCI15_akcija)	C++14	80 / 80	62 ms	808 KiB

akcija

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#include <iostream>
#include <algorithm>
using namespace std;
int n,i,v[100005];
int main()
{
    cin >> n;
    for (i=1; i<=n; i++)
        cin >> v[i];
    sort(v+1, v+n+1); long long sol = 0;
    int ind = 3+n%3;
    for (i=n; i>=ind; i-=3)
        sol += v[i]+v[i-1];
    if (n%3 == 1)
        sol += v[1];
    if (n%3 == 2)
        sol += v[1]+v[2];
    cout << sol;
    return 0;
}
 
 
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• Subtask 1: 80 / 80