func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, l;     cin >> n;     string s;     for (int i = 0; i < n; i++) {       cin >> l;       cin >> s;       int ans = 0;       bool lol = false;       int tmp = 0;       for (int j = 0; j < l; j++) {         if (s[j] ==  A ) {           lol = true;           if (tmp > ans) ans = tmp;           tmp = 0;         } else {           if (lol) {             tmp++;           }         }       }       if (tmp > ans) ans = tmp;       cout << ans <<   n ;     }     return 0;   }   