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| author | Tom Smeding <tom.smeding@gmail.com> | 2020-12-25 10:04:49 +0100 |
|---|---|---|
| committer | Tom Smeding <tom.smeding@gmail.com> | 2020-12-25 10:04:49 +0100 |
| commit | a03c0ce5608b23a351886efbbeaa30cef19c284f (patch) | |
| tree | 70e0bb1d0b4312ee138a03246dd38b4303871b13 /2020/Util.hs | |
| parent | 7653d2f33c0716ff2234587cfd00cf6c729cefd9 (diff) | |
Day 19
The second part was supposed to be more difficult than the first part;
the problem statement hinted that you might need to memoise the set of
sentences matched by non-recursive rules, "especially rules 42 and 31".
Why the hell then did my utterly naive matcher from part 1 work without
changes in ~60ms total?
Diffstat (limited to '2020/Util.hs')
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