With regards to the scoring, it should not be changed. Part of the fun is that the scripts become harder to read since you're trying to write it as short as possible. And that's the goal, it's definitely not about readability. Actually, the similar Golf challanges in othe rprogramming languages (I've already found pages for C++, Perl, and Matlab) all have this principle in common: shorter is better.
I like the idea of a tricks recap although I wouldn't necessarily use those in my regular scripts.
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There are two types of vessels, submarines and targets.
