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  1. int main(void)
  2. {
  3.     int number = 145;
  4.     char binary[8+1] = {}; // 8 bits in a byte, + 1 for string-terminator
  5.  
  6.     for (int i = 0; number != 0 ; i++)
  7.     {
  8.         if (number % 2 == 0)
  9.         {
  10.             binary[i] = '0';
  11.         }
  12.         else
  13.         {
  14.             binary[i] = '1';
  15.         }
  16.         number /= 2;
  17.     }
  18.     printf("%s\n", binary);
  19. }
Success #stdin #stdout 0.01s 5428KB
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10001001
https://ideone.com/87v18W
language:
C (gcc 8.3)
created:
3 years ago
visibility:
secret

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