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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int a;
  5.     int b[32];
  6.     int c = 0;
  7.  
  8.     scanf("%d", &a);
  9.  
  10.     if (a == 0) {
  11.         printf("0\n");
  12.         return 0;
  13.     }
  14.  
  15.     while (a > 0) {
  16.         b[c] = a % 2;
  17.         a = a / 2;
  18.         c++;
  19.     }
  20.  
  21.     for (int d = c - 1; d >= 0; d--) {
  22.         printf("%d", b[d]);
  23.     }
  24.  
  25.     printf("\n");
  26. 	return 0;
  27. }
  28.  
Success #stdin #stdout 0s 5320KB
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https://ideone.com/TnPouz
language:
C (gcc 8.3)
created:
16 hours ago
visibility:
public

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