/* tower of hanoi */

int num[4];

mov( int n, int from, int to)
{
  int other;
  if( n == 1) {
    num[from] = num[from] - 1;
    num[to] = num[to] + 1;
    printf("%d -> %d\n",from,to);
  } else {
    other = 6 - from - to;
    mov(n-1, from, other);
    mov(1, from, to );
    mov(n-1, other, to);
  }
}

main() {
  int disk;
 	printf("%f\n", 1.375f);

  disk = 3;
  num[0] = 0;
  num[1] = disk;
  num[2] = 0;
  num[3] = 0;
  mov(disk,1,3);
}