/**
*@author zhouhong
*@fuction:丢手帕问题
*/
package com.zhouhong10;
import com.zhouhong10.*;
public class Work01 {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
CycLink cyclink = new CycLink();
cyclink.setLen(5);
cyclink.createLink();
cyclink.setK(2);
cyclink.setM(2);
cyclink.show();
cyclink.play();
}
}
class Child
{
int no;
Child nextChild = null;
public Child(int no)
{
//给一个编号
this.no = no;
}
}
//环形链表
class CycLink
{
//先定义一个指向链表第一个小孩的引用
Child firstChild = null;
Child temp = null;
int len = 0;//表示共有几个小孩
int k = 0;
int m = 0;
//设置列表的长度
public void setLen(int len)
{
this.len = len;
}
//设置从第几个人开始数数
public void setK(int k){
this.k = k;
}
//设置数几下
public void setM(int m){
this.m = m;
}
//开始play
public void play()
{
Child temp = this.firstChild;
//1.先找到开始数数的人
for( int i=1; i<k; i++){
temp = temp.nextChild;
}
while(this.len!=1)
{
//2.数m下
for(int j=1; j<m; j++){
temp = temp.nextChild;
}
//找到要出圈的前一个小孩
Child temp2 = temp;
while(temp2.nextChild != temp)
{
temp2 = temp2.nextChild;
}
//3.将数到m的小孩,退出圈
temp2.nextChild = temp.nextChild;
//让temp指向下一个数数的小孩
temp = temp.nextChild;
// this.show();
this.len--;
}
//最后一个小孩
System.out.println("最后出圈:"+temp.no);
}
//初始化环形链表
public void createLink()
{
for(int i=1; i<=len; i++)
{
if(i == 1){
//创建第一个小孩
Child ch = new Child(i);
this.firstChild = ch;
this.temp = ch;
}else{
//创建最后一个孩子
if(i == len){
//继续创建孩子
Child ch = new Child(i);
temp.nextChild = ch;
temp = ch;
temp.nextChild = this.firstChild;
}else{
//继续创建孩子
Child ch = new Child(i);
temp.nextChild = ch;
temp = ch;
}
}
}
}
//打印该环形链表
public void show()
{
//定义一个跑龙套
Child temp = this.firstChild;
do{
System.out.print(temp.no+" ");
temp = temp.nextChild;
}while(temp!=this.firstChild);
}
}