func_code_string: #include <bits/stdc++.h>   using namespace std;   int A[105][105];   int main() {     int n;     int ans = 0;     cin >> n;     for (int i = 0; i < n; i++) {       string s;       cin >> s;       for (int j = 0; j < n; j++) {         if (s[j] ==  C ) {           A[i][j] = 1;         } else {           A[i][j] = 0;         }       }     }     for (int i = 0; i < n; i++) {       int cnt = 0;       for (int j = 0; j < n; j++) {         if (A[i][j] == 1) {           cnt++;         }       }       ans += (cnt * (cnt - 1)) / 2;     }     for (int i = 0; i < n; i++) {       int cnt = 0;       for (int j = 0; j < n; j++) {         if (A[j][i] == 1) {           cnt++;         }       }       ans += (cnt * (cnt - 1)) / 2;     }     cout << ans;   }   