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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. int main()
  5. {
  6. 	int i, h = 3;
  7. 	char buf[80];
  8.  
  9. 	memset(buf, '*', h * 2 - 1);
  10. 	for (i = 0; i < h; i++) {
  11. 		printf("%*.*s\n", h + i, i * 2 + 1, buf);
  12. 	}
  13. 	for (i = h - 2; 0 <= i; i--) {
  14. 		printf("%*.*s\n", h + i, i * 2 + 1, buf);
  15. 	}
  16. 	return 0;
  17. }
  18.  
Success #stdin #stdout 0.01s 1676KB
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stdin
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Standard input is empty
stdout
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  *
 ***
*****
 ***
  *
https://ideone.com/DdvvA
language:
C (gcc 8.3)
created:
12 years ago
visibility:
public

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