Tower of Hanoi.cpp

#include<iostream>
using namespace std;

struct tower
{
	int values[10];
	int top;
}F, U, T;



void show()
{
	cout<<"\n\n\tF : ";
	for(int i=0; i<F.top; i++)
	{
		cout<<F.values[i]<<"\t";
	}
	cout<<"\n\tU : ";
	for(int i=0; i<U.top; i++)
	{
		cout<<U.values[i]<<"\t";
	}
	cout<<"\n\tT : ";
	for(int i=0; i<T.top; i++)
	{
		cout<<T.values[i]<<"\t";
	}
}


void mov(tower &From, tower &To)
{
	--From.top;
	To.values[To.top]=From.values[From.top];
	++To.top;
}

void TH(int n, tower &From, tower &Using, tower &To)
{
	
	if (n==1)
	{
		mov(From, To);
		show();
		
	}
	else
	{
		TH(n-1, From, To, Using);
		mov(From, To);
		show();
		TH(n-1, Using, From, To);
	}
}




int main()
{
	F.top=0;
	U.top=0;
	T.top=0;

	int no;

	cout << "\nEnter number of discs : " ;
	cin >> no;
	
	for (int i = no; i >0; i--)
	{
		F.values[F.top++]=i;
	};

	

	
	
	show();
	TH(no, F, U, T);
	

	

	
	return 0;
}