func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int t;     cin >> t;     while (t--) {       int count = 0, k = 0, res = 0;       string s;       cin >> s;       for (int i = 0; i < s.length(); i++) {         count = count + (s[i] -  0 );       }       for (int i = 0; i < s.length(); i++) {         if (s[i] ==  1 ) {           k = 1;           count--;         }         if (s[i] ==  0  && k == 1 && count > 0) {           res++;         }       }       cout << res << endl;     }   }   