Give a oneline C expression to test whether a number is a
power of 2?
Answer Posted / valli
#include<stdio.h>
main()
{
int n,c=0,i;
for(i=0;i<(sizeof(n)*8);i++)
if(n&(1<<i))
c++;
if(c==1)
printf("%d is powwer of 2",n);
else
printf("%d is not a power of 2",n);
}
Is This Answer Correct ? | 0 Yes | 2 No |
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