Tuesday, 18 April 2017

C program for Tower of Hanoi using Recursion



     #include <stdio.h>

         void towers(int, char, char, char);


    int main()

    {

        int num;

        printf("Enter the number of disks : ");

        scanf("%d", &num);

        printf("The sequence of moves involved in the Tower of Hanoi are :\n");

        towers(num, 'A', 'C', 'B');

        return 0;

    }

    void towers(int num, char frompeg, char topeg, char auxpeg)

    {

        if (num == 1)

        {

            printf("\n Move disk 1 from peg %c to peg %c", frompeg, topeg);

            return;

        }

        towers(num - 1, frompeg, auxpeg, topeg);

        printf("\n Move disk %d from peg %c to peg %c", num, frompeg, topeg);

        towers(num - 1, auxpeg, topeg, frompeg);

    }


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