返回一个二进制位模式反转后的值

#include<stdio.h>
#include<math.h>
#include<iostream.h>
int main()
{
	int rel=0;int value;
	int bit=0;
	scanf("%d",&value);

		rel<<=1;
		bit=value%2;
		rel=bit;
		value/=2;

	printf("%d\n",rel);
	
}