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  1. //This program is for how to display diamonds on stars
  2. #include <iostream>
  3. using namespace std;
  4.  
  5. int main() {
  6.     int rows = 4; //Half of the diamond height (middle line at row 4)
  7.  
  8.     // Top half (including middle row)
  9.     for (int i = 1; i <= rows; i++) {
  10.         // Print spaces
  11.         for (int j = i; j < rows; j++) {
  12.             cout << " ";
  13.         }
  14.         // Print stars
  15.         for (int k = 1; k <= (2 * i - 1); k++) {
  16.             cout << "*";
  17.         }
  18.         cout << endl;
  19.     }
  20.  
  21.     // Bottom half
  22.     for (int i = rows - 1; i >= 1; i--) {
  23.         // Print spaces
  24.         for (int j = rows; j > i; j--) {
  25.             cout << " ";
  26.         }
  27.         // Print stars
  28.         for (int k = 1; k <= (2 * i - 1); k++) {
  29.             cout << "*";
  30.         }
  31.         cout << endl;
  32.     }
  33.  
  34.     return 0;
  35. }
Success #stdin #stdout 0s 5320KB
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Standard input is empty
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   *
  ***
 *****
*******
 *****
  ***
   *
https://ideone.com/ZHPPsg
language:
C++ (gcc 8.3)
created:
5 days ago
visibility:
public

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