#include <bits/stdc++.h>   using namespace std;   const int MX = 300300;   int t, n, m, i, k[MX], c[MX];   long long r;   int main() {     cin >> t;     while (t--) {       int n, x, sum = 0, ctr = 0;       cin >> n >> x;       int arr[n];       for (int i = 0; i < n; i++) {         cin >> arr[i];         sum += arr[i];         ctr += (arr[i] == x);       }       if (ctr == n)         cout << 0 <<   n ;       else if (ctr >= 1 || sum == n * x)         cout << 1 <<   n ;       else         cout << 2 <<   n ;     }     return 0;   }   