#include <stdio.h>

void move(unsigned src, unsigned spare, unsigned dst, unsigned n)
{
    if (n == 0)
    {
        return;
    }

    move(src, dst, spare, n - 1);

    printf("%u->%u\n", src, dst);

    move(spare, src, dst, n - 1);
}

void hanoi(unsigned n)
{
    if (n == 0)
    {
        return;
    }

    move(1, 2, 3, n);
}

int main(void)
{
    hanoi(3);
    return 0;
}