제출 #98760

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
98760		M_H_H_7	Akcija (COCI15_akcija)	C++14	80 / 80	20 ms	1280 KiB

akcija

//In The Name of Beauty
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<ll> vll;
#define IB std::ios::sync_with_stdio(0);
#define pb(x) push_back(x);
#define mp(x,y) make_pair(x,y)
#define pll pair<ll,ll>
#define F first
#define S second
ll const MAXN = 1e5 + 8;
ll const INF  = 1e12 + 8;
ll const delta = 1000000007;

int main()
{
    IB;
    cin.tie(0);
    cout.tie(0);
    ll n;
    cin >> n;
    ll a[n];
    ll ans = 0;
    for(ll i = 0;i < n;i++)cin >> a[i];
    sort(a,a + n);
    for(ll i = n - 1;i >= 0;i -= 3)
    {
        if(i == 0)
        {
            ans += a[0];
        }
        else if(i == 1)
        {
            ans += a[0];
            ans += a[1];
        }
        else
        {
            ans += a[i];
            ans += a[i - 1];
        }
    }
    cout << ans;
    return 0;
}
//Written by M_H_H_7

• Subtask 1: 80 / 80