func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     cout.tie(NULL);     cout << fixed;     cout << setprecision(10);     int row, column;     char temp;     cin >> row >> column;     for (int i = 0; i < int(row - 1); ++i) {       for (int j = 0; j < int(column); ++j) {         cin >> temp;       }     }     string s;     cin >> s;     int s1 = 0;     for (int i = 0; i < int(column); ++i) {       if (s[i] ==  B ) {         s1++;         while (s[i] ==  B ) i++;       }     }     cout << s1;     return 0;   }   