Sometimes, users posts a programming problem as the title of their question, followed by their solution and very little else. Now, a bit of Google-fu on the title itself points me to this link, and as much as I am inclined to just include the link in the question, I think that should be left to the OP. In other words, we shouldn't be encouraging laziness on the OP's part by helping them include links or descriptions to the programming problems.
Am I taking a reasonable stand here, or should I be more flexible? I'm pointing out this question specifically as it is down to -4 at time of writing, and I'm not sure if that's all because it's missing just a link to the programming problem.
On a related note, how about solutions to the more familiar Project Euler problems? Should OP always be compelled to link to the source of their programming problem?
TSP = Travelling Salesman Problem, and we even have a tag travelling-salesman for it, but I genuinely did not know without looking at the tags for this question: Genetic Algorithm for TSP. I'll file this the same as "familiar Project Euler problems"...