Submission #104662

#	Time	Username	Problem	Language	Result	Execution time	Memory
104662		MatesV13	Akcija (COCI15_akcija)	C++11	80 / 80	20 ms	1280 KiB

akcija

#include <bits/stdc++.h>
using namespace std;
int n, c[100055];
long long sum, freebook;
int main (){
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
	cin >> n;
	for (int i=0;i<n;i++){
		cin >> c[i];
		sum += c[i];
	}
	sort (c, c+n);
	for (int i=n-3;i>=0;i-=3){
		freebook += c[i];
	}
	cout << sum - freebook;
return 0;
}

• Subtask 1: 80 / 80