func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, c = 0;     string s;     cin >> n >> s;     for (int i = 0; i < s.length(); i++) {       if (s[i] ==  1 )         c++;       else {         c++;         break;       }     }     cout << c;     return 0;   }   