#include <bits/stdc++.h>   using ll = long long;   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(nullptr);     cout.tie(nullptr);     int t, n, x;     cin >> t;     int sum = 0;     int cnt = 0;     int item = 0;     int s = 0;     while (t--) {       cin >> n >> x;       cnt = 0;       s = 0;       for (int i = 0; i < n; ++i) {         cin >> item;         if (item == x) {           ++cnt;         }         s += item;         sum += (x - item);       }       if (cnt == n) {         cout << 0 <<   n ;       } else if (cnt > 0 or s == n * x or sum == 0) {         cout << 1 <<   n ;       } else {         cout << 2 <<   n ;       }     }     return 0;   }   