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Give a oneline C expression to test whether a number is a
power of 2?

Answer Posted / sathish

main()
{
int a;
scanf("%d",&a);
if((a+(a-1))==((a<<1)-1))
printf("it is powers of 2");
else
printf("not powers of 2");
}

Is This Answer Correct ?    15 Yes 25 No



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