제출 #357893

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
357893		beepbeepsheep	Akcija (COCI15_akcija)	C++17	80 / 80	18 ms	1644 KiB

akcija

#include <bits/stdc++.h>

using namespace std;
#define ll long long

const ll bignum=1e17;
const int inf= 2e9;
const int mod= 1e9+7;


int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    ll n;
    cin>>n;
    ll arr[n];
    for (int i=0;i<n;i++){
        cin>>arr[i];
    }
    sort(arr,arr+n);
    reverse(arr,arr+n);
    ll ans=0;
    for (int i=0;i<n;i++){
        if (!((i+1)%3))continue;
        ans+=arr[i];

    }
    cout<<ans;
    return 0;
}

• Subtask 1: 80 / 80