Submission #154128

#	Time	Username	Problem	Language	Result	Execution time	Memory
154128		Linca_Robert	Akcija (COCI15_akcija)	C++14	80 / 80	59 ms	1456 KiB

akcija

#include<iostream>
#include<algorithm>
using namespace std;
int N, arr[1000005];
long long sum = 0;
int main(){
  cin >> N;
  for( int i = 1; i <= N; i++ )
    cin >> arr[i];
  sort( arr + 1, arr + N + 1 );
  for( int i = N; i >= 1; i -= 3 ){
    sum += arr[i] + arr[i - 1];
  }
  cout << sum << "\n";
}

• Subtask 1: 80 / 80