72. To reverse binary of a number (Method 2)

 

#include<stdio.h>

void main()

{

        int num,rev,i,j,n1,n2;

        printf("To reverse binary of a number \n");

        printf("Enter a number : ");

        scanf("%d",&num);

       

        for(i=31;i>=0;i--)

        printf("%d",num>>i&1);

        printf("\n");

       

        for(i=0,j=31;i<=31;i++,j--)

        {

            if(n1=num>>i&1)

                rev=rev|1<<j;

           

        }

       

       

        for(i=31;i>=0;i--)

        printf("%d",rev>>i&1);

        printf("\n");

}