func_code_string: #include <bits/stdc++.h>   using namespace std;   int t, n;   string s;   int main() {     ios::sync_with_stdio(false);     cin.tie(0);     cin >> t;     while (t--) {       cin >> s;       n = s.length();       int m = n, M = -1;       for (int i = 0; i < n; i++) {         if (s[i] ==  1 ) {           m = min(m, i);           M = max(M, i);         }       }       if (m > M) {         cout << 0 << endl;       } else {         int cnt = 0;         for (int i = m; i < M; i++) {           cnt += (s[i] ==  0 );         }         cout << cnt << endl;       }     }   }   