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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. //#define abs(x)	((x) >= 0 ? (x) : -(x))
  5. int main()
  6. {
  7. 	int a, b, c;
  8. 	cin >> c;
  9. 	for (a = -c + 1; a < c; a++) {
  10. 		for (b = -c + 1; b < c; b++)
  11. 			cout << (abs(a) + abs(b) < c ? ' ' : '*');
  12. 		cout << endl;
  13. 	}
  14. 	return 0;
  15. }
Success #stdin #stdout 0s 15232KB
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stdin
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11
stdout
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********** **********
*********   *********
********     ********
*******       *******
******         ******
*****           *****
****             ****
***               ***
**                 **
*                   *
                     
*                   *
**                 **
***               ***
****             ****
*****           *****
******         ******
*******       *******
********     ********
*********   *********
********** **********
https://ideone.com/lcRBcG
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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