Submission #465369

#	Time	Username	Problem	Language	Result	Execution time	Memory
465369		JovanB	Akcija (COCI15_akcija)	C++17	80 / 80	19 ms	1268 KiB

akcija

#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;
}

• Subtask 1: 80 / 80