#include <bits/stdc++.h>   using namespace std;   int main() {     int n, t = 0, c = 0;     char ch[105][105];     cin >> n;     for (int i = 1; i <= n; i++)       for (int j = 1; j <= n; j++) cin >> ch[i][j];     for (int i = 1; i <= n; i++) {       c = 0;       for (int j = 1; j <= n; j++) {         if (ch[i][j] ==  C ) c++;       }       t += (c * (c - 1)) / 2;     }     for (int j = 1; j <= n; j++) {       c = 0;       for (int i = 1; i <= n; i++) {         if (ch[i][j] ==  C ) c++;       }       t += (c * (c - 1)) / 2;     }     cout << t;   }   