func_code_string: #include <bits/stdc++.h>   using namespace std;   long long int vis1[1000000];   long long int ara1[100005], ara2[100005];   map<long long int, long long int> vis;   map<long long int, long long int> str2;   priority_queue<long long int> pq;   vector<long long int> vec;   int main() {     long long int a, b, c = 0, sum = 0, n;     scanf( %lld , &n);     for (long long int i = 1; i <= n; i++) {       scanf( %lld , &a);       long long int mx = 0;       string str;       cin >> str;       c = -1;       for (long long int i = 0; i < a; i++) {         if (str[i] !=  A  && c != -1) {           c++;           if (c > mx) mx = c;         } else if (str[i] ==  A )           c = 0;       }       cout << mx << endl;     }     return 0;   }   