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  1. #include <stdio.h>
  2.  
  3. void print_hex(int n){
  4. 	if(n <= 9){
  5. 		printf("%d",n);
  6. 	}else{
  7. 		switch(n){
  8. 			case(10):
  9. 			    printf("A");
  10. 			    break;
  11. 			case(11):
  12. 			    printf("B");
  13. 			    break;
  14. 			case(12):
  15. 			    printf("C");
  16. 			    break;
  17. 			case(13):
  18. 			    printf("D");
  19. 			    break;
  20. 			case(14):
  21. 			    printf("E");
  22. 			    break;
  23. 			case(15):
  24. 			    printf("F");
  25. 			    break;
  26. 		}
  27. 	}
  28. }
  29.  
  30. void tohex(int n){
  31.  
  32. 	if(n == 0){
  33. 		printf("0");
  34. 	}
  35. 	if(n >= 16){
  36. 		tohex(n / 16);
  37. 	}
  38.  
  39. 	print_hex(n % 16);
  40.  
  41. }
  42.  
  43. int main(void) {
  44. 	int n;
  45. 	scanf("%d",&n);
  46.  
  47. 	tohex(n);
  48.  
  49. 	return 0;
  50. }
  51.  
Success #stdin #stdout 0s 5284KB
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stdin
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15
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F
https://ideone.com/JubKhY
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

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