[in a yellow box:]
[There is a linked black web, with a path in red; it appears to be a map of the United States.]
Brute-force solution:O(n!)
[The web continues in this one. A man with a brown hat and a case is drawing it.]
Dynamic programming algorithms: O(n^22^n)
[Another man, with a brown hat too, is at a computer, looking back over the chair.]
Selling on eBay: O(1)
eBay salesman: Still working on your route?
Drawing salesman: Shut the hell up.