Tietoverkko

#include <iostream>
#include <algorithm>
#include <vector>
#include <utility>

using namespace std;

long long n, a, b, x, l;

long long ans;

vector<long long> c;

int main()
{
	ans = 0;
	cin >> n;
	
	for (long long i = 0; i < n - 1; i++)
	{
		cin >> a >> b >> x;
		c.push_back(x);
	}

	sort(c.begin(), c.end());
	reverse(c.begin(), c.end());
	
	l = 10000000000;
	for (long long i = 0; i < n - 1; i++)
	{
		if (i == n - 2)
		{
			ans += (i + 1) * c[i];
			break;
		}
		if (c[i] < l && c[i + 1] < c[i])
		{
			ans += (i + 1) * c[i];
		}
		cout << ans << endl;
	}

	cout << ans;

	return 0;
}

Test 1

Group: 1, 2, 3

Verdict: WRONG ANSWER

Test 2

Group: 2, 3

Verdict: WRONG ANSWER

Test 3

Group: 3

Verdict: WRONG ANSWER