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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. int main(void)
  5. {
  6.     const int N = 4;
  7.     for (int i = 0; i <= N*2; i++)
  8.     {
  9.         int before = abs(N - i);
  10.         int width = 2 * (N - before);
  11. 		if (width > 0)
  12. 	        printf("%*s%*s\n", before + 1, "*", width, "*");
  13.         else
  14. 	        printf("%*s\n", before + 1, "*");
  15.     }
  16. 	return 0;
  17. }
  18.  
Success #stdin #stdout 0s 4396KB
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stdin
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Standard input is empty
stdout
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    *
   * *
  *   *
 *     *
*       *
 *     *
  *   *
   * *
    *
https://ideone.com/pSljv8
language:
C (gcc 8.3)
created:
5 years ago
visibility:
secret

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