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Determine if a number is a power of 2 at O(1).
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Answer / hary
int Isnopowerof2(int n)
{
if (n & n-1)
return 0;
return 1;
}
| Is This Answer Correct ? | 15 Yes | 0 No |
if((~n+1)& n ==n) printf("\n Given number is power of 2");
else printf("\Not the POwer of 2");
| Is This Answer Correct ? | 1 Yes | 0 No |
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