func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     cin >> n;     while (n--) {       string s;       cin >> s;       while (s.size() && s[0] ==  0 ) {         s.erase(s.begin());       }       while (s.size() && s[(int)s.size() - 1] ==  0 ) {         s.erase(s.begin() + (int)s.size() - 1);       }       int cnt = 0;       for (auto x : s) cnt += (x ==  0 );       cout << cnt << endl;     }     return 0;   }   