func_code_string: #include <bits/stdc++.h>   int main() {     int i, j, n, r = 0, c = 0, ans = 0;     char str[107][107];     scanf( %d , &n);     for (i = 0; i < n; ++i) {       scanf( %s , str[i]);       r = 0;       for (j = 0; j < n; ++j) {         if (str[i][j] ==  C ) {           ++r;         }       }       ans += (r * (r - 1)) / 2;     }     for (j = 0; j < n; ++j) {       c = 0;       for (i = 0; i < n; ++i) {         if (str[i][j] ==  C ) {           ++c;         }       }       ans += (c * (c - 1)) / 2;     }     printf( %d n , ans);     return 0;   }   