Answer / nmk

#include <stdio.h>
#include <stdlib.h>
#include <math.h>

bool isPowerOf2(int number){
if ( number > 0 )
return (number & (number-1)) == 0;

if (number == 0)
return false;

if (isPowerOf2(-number)){
int count=0;
while ( !(number & 1)) {
++count;
number >>= 1;
}
if (fmod(count,2))
return true;
else
return false;
}
return false;
}

int main(void) {
for(int i=-1027; i<1025; ++i){
if (isPowerOf2(i) )
printf("%d\n", i);
}

return EXIT_SUCCESS;
}

Answer / ataraxic

n%2

Answer / carl menezes

#define ISPOW2(x) ( (x + (x-1) ) == (x<<1 + 1) )

Answer / sandhya

#include<stdio.h>
void main()
{
int number;
printf("|n enter a number");
scanf("%d",&number);
int twopower(int);
printf("\n the given number is ");
}
int twopower(int num)
{
while((num & -num)==num)
return(1);
printf("|n yes power of two");
}

Answer / mridul

#include<stdio.h>

main()
{
int a;
scanf("%d",&a);
if (a&1)
printf ("POWER off 2");
printf ("NOT power of 2");
}

main() { extern out; printf("%d", out); } int out=100;

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