Answer Posted / udhaya

Find if the given number is a power of 2.
//include math.h
void main()
{
int n,logval,powval;
printf("Enter a number to find whether it is s power of
2\n");
scanf("%d",&n);
logval=log(n)/log(2);
powval=pow(2,logval);
if(powval==n)
printf("The number is a power of 2");
else
printf("The number is not a power of 2");
getch();
}

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