- Are submissions acceptable if their worst case score is unbounded?
I think it worth a default exist
However, challenge posters may say that
If an answer has the property XYZ, its score is considered to be infinite. All infinite-scored submissions are equal.
(there may be some tie-breakers, depends on the challenge)
If an answer has the property XYZ, then instead consider the asymptotic complexity of the score when [...]. Solutions with lower asymptotic complexity are better.
That's all there is to it. If you are aiming for a low score, and you end up with an infinite score, that's probably not competitive.
From the wiki:
Be a serious contender for the winning criteria in use. For example, an entry to a code golf contest needs to be golfed, and an entry to a speed contest should make some attempt to be fast.
In other words, if there is an infinite score (or an infinite-score tiebreaker), this should be decided case-by-case, on the basis of whether they are competitive or not.