func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int r, c, i;     cin >> r >> c;     string s;     int R[11] = {0}, C[11] = {0};     for (i = 0; i < r; ++i) {       cin >> s;       for (int j = 0; j < c; ++j) {         if (s[j] ==  S ) {           R[i] = 1;           C[j] = 1;         }       }     }     int count = 0;     for (i = 0; i < r; ++i) {       for (int j = 0; j < c; ++j) {         if (R[i] == 0 || C[j] == 0) {           count += 1;         }       }     }     cout << count;     return 0;   }   