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  1. #include <stdio.h>
  2.  
  3. void print_hex(int n){
  4. 	switch(n){
  5. 		case 10:printf("A"); break;
  6. 		case 11:printf("B"); break;
  7. 		case 12:printf("C"); break;
  8. 		case 13:printf("D"); break;
  9. 		case 14:printf("E"); break;
  10. 		case 15:printf("F"); break;
  11. 		default: printf("%d",n);
  12.  
  13. 	}
  14. }
  15.  
  16. void tohex(int n){
  17. 	if(n<16) print_hex(n);
  18. 	else {
  19. 		tohex(n/16);
  20. 		print_hex(n%16);
  21. 	}
  22. }
  23.  
  24. int main(void){
  25. 	int d;
  26. 	scanf("%d",&d);
  27. 	tohex(d);
  28. 	printf("\n");
  29. 	 return 0;
  30. }
Success #stdin #stdout 0s 5284KB
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7FFE
https://ideone.com/vHGpPH
language:
C (gcc 8.3)
created:
45 days ago
visibility:
public

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