fork download
copy 
  1. // Nicolas Ruano                  CS1A                Chapter 2, Pp. 83, #16
  2.  
  3. /*************************************************************************
  4. *
  5. *------------------------------------------------------------------------*
  6. * Output is when the program releses the result of a set of stars forming*
  7. * a shape of a diamond .                                                 *
  8. * -----------------------------------------------------------------------*
  9. * Input                                                                  *
  10. * The number of stars being provided and how much to craft a triangle    *
  11. *                                                                        *
  12. * Output                                                                 *
  13. * The number of stars shoewcased a diamond shape built on stars          *
  14. *************************************************************************/
  15.  
  16. #include <iostream>
  17. using namespace std;
  18.  
  19. int main() {
  20.     int rows = 4; //Half of the diamond height (middle line at row 4)
  21.  
  22.     // Top half (including middle row)
  23.     for (int i = 1; i <= rows; i++) {
  24.         // Print spaces
  25.         for (int j = i; j < rows; j++) {
  26.             cout << " ";
  27.         }
  28.         // Print stars
  29.         for (int k = 1; k <= (2 * i - 1); k++) {
  30.             cout << "*";
  31.         }
  32.         cout << endl;
  33.     }
  34.  
  35.     // Bottom half
  36.     for (int i = rows - 1; i >= 1; i--) {
  37.         // Print spaces
  38.         for (int j = rows; j > i; j--) {
  39.             cout << " ";
  40.         }
  41.         // Print stars
  42.         for (int k = 1; k <= (2 * i - 1); k++) {
  43.             cout << "*";
  44.         }
  45.         cout << endl;
  46.     }
  47.  
  48.     return 0;
  49. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
   *
  ***
 *****
*******
 *****
  ***
   *
https://ideone.com/MVsOk1
language:
C++ (gcc 8.3)
created:
19 hours ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!