fork(2) download
copy 
  1. #include <stdlib.h>
  2. #include <stdio.h>
  3. #include <string.h>
  4.  
  5. int main(int argc, char *argv[]) {
  6. 	// Stack
  7. 	int decimal, q, r;
  8. 	int counter, i;
  9. 	char *binary = NULL;
  10. 	char *aux;
  11.  
  12. 	printf("Digite um número em base decimal: ");
  13. 	scanf("%d", &decimal);
  14.  
  15. 	counter = 1;
  16. 	while (decimal >= 1) {
  17. 		q = decimal / 2;
  18. 		r = decimal - (q * 2);
  19.  
  20. 		// Heap
  21. 		aux = (char *) malloc(counter * sizeof(char));
  22. 		if (binary != NULL) {
  23. 			memcpy(aux, binary, counter-1);
  24. 			free(binary);
  25. 		}
  26. 		binary = aux;
  27.  
  28. 		if (r == 0) {
  29. 			binary[counter-1] = 48; //'0';
  30. 		} else {
  31. 			binary[counter-1] = 49; //'1';
  32. 		}
  33.  
  34. 		//printf("resto %d = %d\n", counter, r);
  35. 		counter++;
  36. 		decimal = q;
  37. 	}
  38. 	//printf("ultimo quociente = %d\n", q);
  39.  
  40. 	printf("Resultado em binário = ");
  41. 	for (i = counter-1; i >= 0; i--) {
  42. 		printf("%c", binary[i]);
  43. 	}
  44. 	printf("\n");
  45.  
  46. 	free(binary);
  47.  
  48. 	return 0;
  49. }
Success #stdin #stdout 0s 2144KB
comments (?)
stdin
copy 
14
stdout
copy 
Digite um número em base decimal: Resultado em binário = 1110
https://ideone.com/fbyeZu
language:
C99 (gcc 8.3)
created:
9 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!