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