A1148 Werewolf

#include<iostream>
#include<vector>
#include<map>
#include<string>
#include<cstring>
#include<cstdio>
#include<algorithm>
#include<set>
#include<queue>
#include<unordered_map>
#include<cmath>
using namespace std;
int n, a[110];
int main()
{
	cin >> n;
	for (int i = 1; i <= n; i++)
	{
		cin >> a[i];
	}
	for (int i = 1; i <= n; i++)
	{
		for (int j = i + 1; j <= n; j++)
		{
			int cnt1 = 0, cnt2 = 0;
			for (int k = 1; k <= n; k++)
			{
				if (a[k] < 0)
				{
					if (-a[k] != i && -a[k] != j)
					{
						if (k == i || k == j)
							cnt2++;
						if (k != i && k != j)
							cnt1++;
					}
				}
				else if(a[k]>0)
				{
					if (a[k] == i || a[k] == j)
					{
						if (k == i || k == j)
							cnt2++;
						if (k != i && k != j)
							cnt1++;
					}
				}
			}
			if (cnt2 == 1 && cnt1 + cnt2 == 2)
			{
				printf("%d %d", i, j);
				return 0;
			}
		}
	}
	printf("No Solution");
}