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xerpi

P13903_ca: Control C202A

Oct 13th, 2013
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C++ 0.46 KB | None | 0 0
  1. /*
  2. * Copyright (C) 2013, xerpi
  3. */
  4.  
  5. #include <iostream>
  6. using namespace std;
  7.  
  8. int main()
  9. {
  10.     int n;
  11.     cin >> n;
  12.     bool actual_blanca = true;
  13.     bool comensa_blanca = true;
  14.     for (int i = 0; i < n; ++i) {
  15.         for (int j = 0; j < n; ++j) {
  16.             if (actual_blanca) {
  17.                 cout << ".";
  18.             } else {
  19.                 cout << "*";
  20.             }
  21.             actual_blanca = not actual_blanca;
  22.         }
  23.         cout << endl;
  24.         comensa_blanca = not comensa_blanca;
  25.         actual_blanca = comensa_blanca;
  26.     }
  27. }
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