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  1. #include <stdio.h>
  2.  
  3. int main(void)
  4. {
  5. int a,i,ans[32],s=1;
  6. scanf("%d",&a);
  7. for(i=31;i>=0;i--)
  8. {
  9. ans[i] = (a & s)==s ? 1 : 0;
  10. s *= 2;
  11. }
  12. for(i=0;i<32;i++)
  13. {
  14. printf("%d",ans[i]);
  15. }
  16. return 0;
  17. }
  18.  
Success #stdin #stdout 0s 5288KB
stdin
1000
stdout
00000000000000000000001111101000