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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	unsigned long long no;
  5. 	scanf ("%llu", &no);
  6. 	if ( no && !(no & (no - 1))) {
  7. 		printf("yes\n");
  8. 	} else {
  9. 		printf("no\n");
  10. 	}
  11. 	return 0;
  12. }
  13.  
Success #stdin #stdout 0s 4180KB
comments (?)
stdin
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1099511627776
stdout
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yes
https://ideone.com/aAHCPc
language:
C99 (gcc 8.3)
created:
8 years ago
visibility:
public

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