func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     char cell;     short r, c, rr, cc, e;     int res = 0, i, cat[100], cnt = 0;     cin >> r >> c;     rr = r;     cc = c;     for (i = 0; i < r; i++) {       e = 0;       for (int I = 0; I < c; I++) {         cin >> cell;         if (cell ==  S ) {           e++;           cat[cnt] = I;           cnt++;         }       }       if (e == 0) {         res += c;         rr--;       }     }     cc -= cnt;     sort(cat, cat + cnt);     for (i = 1; i < cnt; i++)       if (cat[i] == cat[i - 1]) cc++;     res += cc * rr;     cout << res;     return 0;   }   