#include<iostream>
using namespace std;
void move(int count,char start='a',char finish='b',char temp='c')
{
 if(count>0)
 {
  move(count-1,start,temp,finish);
 cout<<"Move "<<count<<" from "<<start<<" to "<<finish<<endl;
 move(count-1,temp,finish,start);
 }
}
void move_without_recursion(int count,char start='a',char finish='b',char temp='c')
{
 char swap;
 while(count>0)
 {
  move_without_recursion(count-1,start,temp,finish);
 cout<<"Move "<<count<<" from "<<start<<" to "<<finish<<endl;
 count--;
 swap=start;
 start=temp;
 temp=swap;
 }
}
int main()
{
 int count;
 cout<<"please enter the number:";
 cin>>count;
 cout<<"遞歸方法運行過程:"<<endl;
  move(count);
  cout<<"消除尾遞歸方法運行過程:"<<endl;
  move_without_recursion(count);
return 0;
}