Submission #113061

#	Time	Username	Problem	Language	Result	Execution time	Memory
113061		CaQtiml	Akcija (COCI15_akcija)	C++14	16 / 80	42 ms	1656 KiB

akcija

#include "bits/stdc++.h"
using namespace std;
int arr[(int)1e5+10];
int qs[(int)1e5+10];
int main()
{
	int n;
	cin >> n;
	int rob = n/3;
	for(int i=1;i<=n;i++) 
	{
		cin >> arr[i];
		qs[i]=qs[i-1]+arr[i];
	}
	sort(arr+1,arr+1+n);
	int ans=0;
	for(int i=1;i<=rob;i++)
	{
		ans+=(qs[i*3]-qs[i*3-2]);
		//cout << ans << "\n";
	}
	for(int i=(3*rob+1);i<=n;i++) ans+=arr[i];
	cout << ans;
}

• Subtask 1: 16 / 80