func_code_string: #include <bits/stdc++.h>   using namespace std;   int t, n, pl;   string s;   int main() {     std::ios::sync_with_stdio(false);     cin >> t;     for (int qqw = 1; qqw <= t; qqw++) {       cin >> n;       cin >> s;       pl = -1;       for (int i = 1; i <= n; i++)         if (s[i - 1] ==  0 ) pl = i;       if (pl > 0) {         if (n % 2 == 0) {           if (pl <= n / 2) {             cout << pl <<     << n <<     << pl + 1 <<     << n <<   n ;             continue;           }           cout << 1 <<     << pl <<     << 1 <<     << pl - 1 <<   n ;         } else {           if (pl <= n / 2) {             cout << pl <<     << n <<     << pl + 1 <<     << n <<   n ;             continue;           }           cout << 1 <<     << pl <<     << 1 <<     << pl - 1 <<   n ;         }       } else {         cout << 1 <<     << n - 1 <<     << 2 <<     << n <<   n ;         continue;       }     }     return 0;   }   