#include <iostream>
using namespace std;
int times = 0; //全局变量，搬动次数
//第n个圆盘从x柱搬到z柱
void move(int n, char x, char z)
{
  cout << "第" << ++times << "步: 将" << n << "号盘从" << x << "移到" << z << endl;
}
//将x柱上按直径自上而下由小到大编号为1至n的n个圆盘按规则搬到z柱上。y用作辅助柱
void hanoi(int n, char x, char y, char z)
{
 if (n == 1)
 move(1, x, z); //将编号为1的圆盘从x移到z
 else {
 hanoi(n - 1, x, z, y); //将x上编号为1至n-1的圆盘移到y，z作辅助柱
 move(n, x, z);     //将编号为n的圆盘从x移到z
 hanoi(n - 1, y, x, z); //将y上编号为1至n-1的圆盘移到z，x作辅助柱
 }
}
int main()
{
 int n;
 cout << "3个柱为a、b、c，圆盘最初在a柱，借助b柱移到c柱。请输入圆盘数：";
 cin >> n;
 hanoi(n, 'a', 'b', 'c');
 system("pause");
 return 0;
}