This is not my puzzle and I do not know the solution. This was shared to me by a friend. Their former boss told them this riddle. I was told this question originated from Steven's Institute of Technology and it has to do with how a computer processor works. It's been a few days and so far no one we've asked this to can figure it out. We are starting to believe that my friend does not remember the puzzle and is missing or mistaking critical information. Can you solve this? Or is it similar to an already existing puzzle and incorrectly worded, if so please share the original puzzle.
There are two dwarfs on opposite sides of the same mountain. Between them there is a single track which is the only form of transportation to reach the other side. Since it is a single track, if two carts attempted to cross, they will collide. The dwarfs are not fond of each other and cannot meet. They have an unlimited amount of buckets and rocks to communicate. Both dwarfs must reach the other side of the mountain. They cannot be on the same side of the mountain at the same time.
- The dwarfs cannot meet or cross paths on the track.
- One dwarf can't wait or hide on one side as the other arrives or else this would count as them both being on the same side at the same time.
- They cannot speak to each other or communicate in any other way aside from using buckets and rocks.
- There is no other path aside from the single track. It is assumed both dwarfs have at least 1 cart to use on the track.
- The end goal is to have both dwarfs swap sides, they are not visiting and returning to their original side. Their final destination is the opposite side of where they started.
My thoughts so far:
The single track probably relates to a lane used in the processor. I imagine a processor like a circuit board, the traces connect various parts, in this case two sides of a mountain. The lane can only pass 1 or 0, which means there is a current or no current.
The rocks or buckets seem useless since it is unlikely that the other dwarf would be able to decipher what the message means. Maybe they are used as an obstacle or to keep track of their path or distance.
I think this is worded wrong because it seems impossible since the only way they can reach the other side is using the track and since they cannot meet or be on the same side at the same time. There is no way this is possible.