Submission #997859

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Source Code Expand

//100点
#include <iostream>
#include <algorithm>
#include <functional>
#define int long long
using namespace std;

int m, n, k;
int a[100000];

signed main() {
	int i;
	
	cin >> m >> n >> k;
	for (i = 0; i < n; i++) { cin >> a[i]; }
	sort(a, a + n);
	
	int ans = 0;
	for (i = 1; i <= k; i++) {
		ans += a[n - k - 1 + i] * i;
	}
	cout << ans << endl;
	return 0;
}

Submission Info

Judge Result