package wgy;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class HanRuoTa {

/**
* 汉诺塔算法
*/
public static void main(String[] args) {
int n =0;
       BufferedReader buf;
       buf = new BufferedReader(new InputStreamReader(System.in));

       System.out.print("请输入盘数：");
       try {
n = Integer.parseInt(buf.readLine());
} catch (NumberFormatException e) {

e.printStackTrace();
} catch (IOException e) {

e.printStackTrace();
}

       HanRuoTa hanoi = new HanRuoTa();
       hanoi.move(n, 'A', 'B', 'C');
}

/**
* 采用递归的算法去实现
*/
public void move(int n,char a,char b,char c){
if(n == 1)
           System.out.println("盘 " + n + " 由 " + a + " 移至 " + c);
       else {
           move(n - 1, a, c, b);
           System.out.println("盘 " + n + " 由 " + a + " 移至 " + c);
           move(n - 1, b, a, c);
       }
}

}