func_code_string: #include <bits/stdc++.h>   using namespace std;   using ll = long long;   using ld = long double;   int main() {     ios::sync_with_stdio(0), cin.tie(0);     int tt;     cin >> tt;     while (tt--) {       int n, k;       cin >> n >> k;       int ans = 0;       int count = 0;       char x;       int lwb = 0;       bool f = false;       for (int i = 0; i < n; i++) {         cin >> x;         if (x ==  1 ) {           if (!f) {             lwb = count;           } else {             ans += count / (k + 1);             if (count / (k + 1) > 0 && count % (k + 1) != k) {               ans--;             }           }           count = 0;           f = true;         } else {           count++;         }       }       ans += lwb / (k + 1);       ans += count / (k + 1);       if (count == n && n % (k + 1) > 0) {         ans++;       }       cout << ans <<   n ;     }     return 0;   }   