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  1. #include <stdio.h>
  2.  
  3.  
  4.  
  5. char * convert(int dec, char *output) {
  6.     output[4] = '\0';
  7.     output[3] = (dec & 1) + '0';
  8.     output[2] = ((dec >> 1) & 1) + '0';
  9.     output[1] = ((dec >> 2) & 1) + '0';
  10.     output[0] = ((dec >> 3) & 1) + '0';
  11.     return output;
  12. }
  13.  
  14. int main(void) {
  15.  
  16.     char binary[5];
  17.     convert(1, binary);
  18.     printf("%s", binary);
  19.     return 0;
  20. }
  21.  
Success #stdin #stdout 0s 4528KB
comments (?)
stdin 
Standard input is empty
stdout 
0001
https://ideone.com/nnzwFF
language:
C99 (gcc 8.3)
created:
7 years ago
visibility:
public

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