func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int q;     cin >> q;     while (q--) {       string s;       int n, s2 = 0, ans = 0, s1 = 0;       cin >> s;       n = s.size() - 1;       for (int i = n; i >= 0; i--)         if (s[i] ==  1 ) {           s2 = i;           break;         }       for (int i = 0; i <= n; i++)         if (s[i] ==  1 ) {           s1 = i;           break;         }       for (int i = 0; i <= n; i++) {         if (i > s1 && i < s2 && s[i] ==  0 ) ans++;       }       cout << ans << endl;     }   }   