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  1. #include <stdio.h>
  2.  
  3. int tohex(int n) {
  4. 	if(n==0) {
  5. 		return;
  6. 	}
  7. 	else {
  8. 		tohex(n/16);
  9. 		if(n%16<10) {
  10. 		printf("%d",n%16);
  11. 		} else if(n%16 == 10) {
  12. 			printf("A");
  13. 		} else if(n%16 == 11) {
  14. 			printf("B");
  15. 		} else if(n%16 == 12) {
  16. 			printf("C");
  17. 		} else if(n%16 == 13) {
  18. 			printf("D");
  19. 		} else if(n%16 == 14) {
  20. 			printf("E");
  21. 		} else if(n%16 == 15) {
  22. 			printf("F");
  23. 		} 
  24. 	}
  25. }
  26.  
  27. int main(void) {
  28. 	int n;
  29. 	scanf("%d",&n);
  30. 	tohex(n);
  31. 	return 0;
  32. }
  33.  
Success #stdin #stdout 0s 5308KB
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1E
https://ideone.com/UWGDM2
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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