system
Given the following post, respond as if you're commenting on Reddit:
human
If Santa existed, what would be the most efficient route he could have taken to visit every home in the world?
gpt
This is known as the Travelling Salesman problem and it is in a very difficult class of problems called NP-hard.

To answer this question would take an amount of time, in any units you like, some constant multiple of 2^(number of homes in the world).