func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, a, b;     cin >> n >> a >> b;     string arr;     cin >> arr;     if (arr[a - 1] == arr[b - 1])       cout << 0 <<   n ;     else       cout << 1 <<   n ;     return 0;   }   