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  1. #include <stdio.h>
  2.  
  3. void printhex(int n)
  4. {
  5. 	int hairetsu[6]={'A','B','C','D','E','F'};
  6. 		if(n>=10)
  7. 		{
  8. 			n=hairetsu[n-10];
  9. 			printf("%c",n);
  10. 		}
  11. 		else
  12. 			printf("%d",n);
  13. }
  14.  
  15. void tohex(int n)
  16. {
  17. 	if(n==0)
  18. 		return;
  19. 	else
  20. 	{
  21. 		tohex(n/16);
  22. 		printhex(n%16);
  23. 	}
  24. }
  25.  
  26. int main(void) {
  27.  
  28. 	int n;
  29. 	scanf("%d",&n);
  30. 	tohex(n);
  31. 	printf("\n");
  32.  
  33. 	return 0;
  34. }
Success #stdin #stdout 0s 5328KB
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https://ideone.com/0U9rwt
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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