func_code_string: #include <bits/stdc++.h>   using namespace std;   long long arr[1001], ans;   string s;   int main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);     cin >> s;     for (int i = 0; i < s.size(); i++) {       if (s[i] ==  0 ) arr[i]++;     }     cin >> s;     for (int i = 0; i < s.size(); i++) {       if (s[i] ==  0 ) arr[i]++;     }     for (int i = 0; i < s.size(); i++) {       if (arr[i] == 2) {         if (arr[i + 1] > 0) {           arr[i + 1]--;           arr[i] = 0;           ans++;         }       } else if (arr[i] == 1) {         if (arr[i + 1] == 2) {           arr[i + 1] = 0;           arr[i] = 0;           ans++;         }       }     }     printf( %I64d , ans);   }   