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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int a=3;
  5. rec(a);
  6. 	// your code goes here
  7. 	return 0;
  8. }
  9. void rec(int n)
  10. {
  11. if(n>0)
  12. {
  13. rec(--n);
  14. printf("%d",n);
  15. rec(--n);
  16. }
  17. else
  18. printf("\t");
  19. }
  20.  
Success #stdin #stdout 0s 4536KB
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stdin
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Standard input is empty
stdout
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	0	1	2	0
https://ideone.com/87VYWO
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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