蓝桥杯学习——将整数的奇偶位互换

import java.util.*;

public class jiouchange {
	public static void main(String args[]) {
		Scanner sc=new Scanner(System.in);
		int test=sc.nextInt();
		String temp=Integer.toBinaryString(test);
		StringBuilder sb=new StringBuilder(temp);
		for(int i=0;i