problem 32(factorial of a given number)

problem 32(factorial of a given number)

#include<stdio.h>

void tower(int disk,int a,int b,int c)

{

    if(disk>0)

    {

        tower(disk-1,a,c,b);

        printf("%d -> %d\n",a,c);

        tower(disk-1,b,a,c);

    }

}

int main()

{

    int n;

    printf("Enter your number : ");

    scanf("%d",&n);

    tower(n,1,2,3);

    return 0;

}