Noitapeli

#include <iostream>
#include <vector>
 
int main()
{
	std::vector<int> votes;
	int n,xn;
	std::cin >> n;
	
	votes.push_back(0);
	for(int i = 0;i < n;i++)
	{
		std::cin >> xn;
		votes.push_back(xn);
	}
	int result = 0;
	for(int a = 1;a <= n;a++)
	{
		for(int b = a + 1;b <= n;b++)
		{
			if(votes[a] == b || votes[b] == a)
				continue;
			for(int c = b + 1;c <= n;c++)
			{
				if(votes[a] != b && votes[a] != c && votes[b] != a && votes[b] != c && votes[c] != a && votes[c] != b)
				{
					result++;
				}
			}
		}
	}
	std::cout << result;
	return 0;
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 7

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 8

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 9

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 10

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 11

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 12

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 13

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 14

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 15

Group: 3

Verdict: TIME LIMIT EXCEEDED