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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int n, suma = 0;
  6.     cin >> n;
  7.  
  8.     for (int i = 0; i < n; i++) {
  9.         for (int j = 0; j < n; j++) {
  10.             int x;
  11.             cin >> x;
  12.             if ((i + j) % n != 0 || (i != 1 && j != 2) && (i != 2 && j != 1)) {
  13.                 suma += x;
  14.             }
  15.         }
  16.     }
  17.  
  18.     cout << suma << endl;
  19.     return 0;
  20. }
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin
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3
2 5 3
5 3 4
8 4 5
stdout
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31
https://ideone.com/NeEv8F
language:
C++14 (gcc 8.3)
created:
2 days ago
visibility:
public

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