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

Answer Posted / raghavendra donnur

#include<stdio.h>

void main()
{
int a,i;
scanf("%d",&a);

for( i = 0; a != 0; a = a >> 1)
if( a & 0x01 )
i++;
if( i == 1 )
printf ("POWER off 2");
else
printf (" Not power of 2");
}

Is This Answer Correct ?    1 Yes 11 No



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