func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int t;     cin >> t;     for (int i = 0; i < t; i++) {       int n;       int m;       cin >> n >> m;       int count = 0;       for (int j = 0; j < n - 1; j++) {         string s;         cin >> s;         if (s[m - 1] ==  R ) {           count++;         }       }       string s;       cin >> s;       for (int i = 0; i < m - 1; i++) {         if (s[i] !=  R ) {           count++;         }       }       cout << count <<   n ;     }   }   