func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, k, cnt1 = 0;     cin >> n >> k;     int y = k + 1;     bool ab[y], a = false;     for (int i = 0; i < y; i++) ab[i] = false;     for (int i = 0; i < n; i++) {       string x;       cin >> x;       for (int j = 0; j < x.length(); j++) {         int h = x[j] -  0 ;         ab[h] = true;       }       for (int l = 0; l < k + 1; l++)         if (ab[l] == false) a = true;       if (!a) {         cnt1++;       }       if (a) a = false;       fill(ab, ab + y, false);     }     cout << cnt1;     return 0;   }   