제출 #465369

#제출 시각아이디문제언어결과실행 시간메모리
465369JovanBAkcija (COCI15_akcija)C++17
80 / 80
19 ms1268 KiB
#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using ld = long double;

const int N = 100000;

int a[N+5];

int main(){
    ios_base::sync_with_stdio(false), cin.tie(0);
    cout.precision(10);
    cout << fixed;

    int n;
    cin >> n;
    ll res = 0;
    for(int i=1; i<=n; i++) cin >> a[i], res += a[i];
    sort(a+1, a+1+n);
    reverse(a+1, a+1+n);
    for(int i=3; i<=n; i+=3) res -= a[i];
    cout << res << "\n";
    return 0;
}
#Verdict Execution timeMemoryGrader output
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