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Hanoi Problem/상협

  • Hanoi .
  • An = 2An-1 + 1

  • .

~cpp 
void hanoi(int n,int a, int b)  //
{
	if(n!=0)
	{
		hanoi(n-1, a,inout(a,b));  //1   a  (b)   .
  		cout<<a<<"->"<<b<<"\n";   //2       (b) .
		hanoi(n-1, inout(a,b),b);  //3   간곳-inout(a,b)  (b) ..
	}

  . ㅠㅜ  .. ㅠㅜ 
}


~cpp 
#include <iostream>
using namespace std;
void hanoi(int n,int a, int b); //a,   b   n 
int inout(int i,int j);
int main()
{
	int n;
	cout<<" 기 갯  ! : ";
	cin>>n;  //  .
	hanoi(n,1,3);
	return 0;
}
int inout(int i, int j) // 1,2,3 i,j (1,2,3  )   
{
	if((i==1 && j==2) || (i==2 && j==1))
		return 3;
	else if((i==1 && j==3) || (i==3 && j==1))
		return 2;
	else
		return 1;
}
void hanoi(int n,int a, int b)  //
{
	if(n!=0)
	{
		hanoi(n-1, a,inout(a,b));
		cout<<a<<"->"<<b<<"\n";
		hanoi(n-1, inout(a,b),b);
	}
}
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