mgrettondann/ocaml-aoc
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1bfbea8f60d1609d6dd66e5cb088717875b335c7
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67 Commits
Author SHA1 Message Date
mgrettondann 1bfbea8f60 Tidy up 2024 day 20. 2024-12-20 18:02:02 +00:00
mgrettondann c4be195490 2024 day 20 part 2. 2024-12-20 17:40:50 +00:00
mgrettondann 1f8a8a8e53 Day 2024 part 1 2024-12-20 09:34:32 +00:00
mgrettondann 2c8d0845b4 Merge a map/filter Fun.id with filter_map 2024-12-19 14:48:58 +00:00
mgrettondann aaa031e6c6 Move memoize to the Aoc library. 2024-12-19 11:53:59 +00:00
mgrettondann 4f963e0f98 Tidy up 2024 day 19 2024-12-19 11:31:44 +00:00
mgrettondann 4c9ae83184 2024 day 19 part 2. 2024-12-19 11:10:16 +00:00
mgrettondann 33d7b34002 2024 day 19 part 1 2024-12-19 11:06:02 +00:00
mgrettondann 4eb967fd88 Use binary search for 2024 day 18 part 2. 
This dramatically speeds the search up (by ~100x).
 2024-12-18 10:30:43 +00:00
mgrettondann fe94d8b371 Comment and tidy up 2024 day 18 2024-12-18 10:17:56 +00:00
mgrettondann dcdd2bab4d Some 2024 day 18 tidy-ups. 2024-12-18 09:44:47 +00:00
mgrettondann 530069a350 Day 2024 part 2 2024-12-18 09:27:50 +00:00
mgrettondann 51f897dba8 2024 day 18 part 1 2024-12-18 09:12:49 +00:00
mgrettondann a8f3d96abf 2024 day 17 part 2. 2024-12-17 10:29:59 +00:00
mgrettondann 80e923b074 2024 day 17 part 1 2024-12-17 08:58:31 +00:00
mgrettondann f271e93e63 Remove redundant line of code 2024-12-16 15:22:04 +00:00
mgrettondann f66c364090 Comment 2024 day 16. 2024-12-16 15:14:42 +00:00
mgrettondann 4bc7815851 6x speed up on 24 day 16 part 2 
We filter out already visited states when adding them to the work list.

We also don't sort the work list as we're already generating it in a
sorted (by cost) order.
 2024-12-16 13:57:13 +00:00
mgrettondann bfd65557bf 2024 day 16 part 2 
Quite slow takes ~11 mins to run.
 2024-12-16 11:33:17 +00:00
mgrettondann 06c006d5bd 2024 day 16 part 1 2024-12-16 09:33:28 +00:00
mgrettondann 1ab16668f4 Tidy up 2024 day 15 2024-12-15 09:01:56 +00:00
mgrettondann 73c86520bf 2024 day 15 part 2 2024-12-15 08:39:54 +00:00
mgrettondann 70c53d5173 2024 day 15 part 1 2024-12-15 08:10:42 +00:00
mgrettondann 499243c6eb Tidy up 2024 day 14 code. 2024-12-14 09:00:00 +00:00
mgrettondann 2afe323aec 2024 day 14 part 2 2024-12-14 08:48:36 +00:00
mgrettondann ccf4847c2b 2024 day 14 part 1 2024-12-14 08:16:22 +00:00
mgrettondann 75f9ac6975 2024 day 13 part 2 2024-12-13 18:43:09 +00:00
mgrettondann 8d7c14a707 2024 day 13 part 1 2024-12-13 09:16:31 +00:00
mgrettondann 932b2c926c Tidy up code for 2024 day 12. 
This still has some mutable state.
 2024-12-12 10:23:08 +00:00
mgrettondann 7e0e6d3770 2024 day 12 part 2 2024-12-12 09:49:19 +00:00
mgrettondann 46755cea34 2024 day 12 part 1. 2024-12-12 08:58:13 +00:00
mgrettondann c81de6e642 Tidy up 2024 day 11 code. 2024-12-11 15:45:27 +00:00
mgrettondann fcc4341237 Update to use Aoc.pow10 and Aoc.digits10. 2024-12-11 09:17:12 +00:00
mgrettondann 2159a5fc5e Performant solution to 2024 day 11. 
We notice that we're repeating calculations at each step, so use a
map to ensure we do each stone ID once per step.
 2024-12-11 09:16:57 +00:00
mgrettondann b9e3907e4d Day 2024 day 11 part 1 and incredibly slow part 2 2024-12-11 08:07:26 +00:00
mgrettondann b2e56f802e Move to use Aoc.Grid 2024-12-10 11:31:37 +00:00
mgrettondann 76dc338c9a Tidy up code for 2024 day 10. 2024-12-10 09:20:50 +00:00
mgrettondann dbc723e2d1 2024 day 10 2024-12-10 09:06:07 +00:00
mgrettondann 5094e92d31 Tidy up code for 2024 day 9 
Not happy that mutable state is being used.  But this seems to be the
simplest way, and is efficient.
 2024-12-09 16:58:46 +00:00
mgrettondann 02e1e3b8b6 2024 day 9 part 1. 2024-12-09 15:48:11 +00:00
mgrettondann 6d551f5497 Remove mutable state from day 8 of 2024. 2024-12-08 09:15:45 +00:00
mgrettondann b9af6249a3 2024 day 8 part 2. 2024-12-08 08:36:02 +00:00
mgrettondann 71c5b5e5a2 2024 day 8 part 1 2024-12-08 08:09:20 +00:00
mgrettondann 54f14c0492 Simplify the code for 2024 day 7 
Simplify may be in the eye of the beholder here.

This reduces code duplication, as both parts are effectively the same.
Part 2 just has an extra operation that can be carried out.
 2024-12-07 18:13:06 +00:00
mgrettondann 799a25464b Do not use a set to record blocks in 2406.ml 
Instead of using a set of locations to store the blocks in day2406.ml
return to using a string.

Sets have an O(lg n) lookup time in number of blocks.

Instead we use a single string which contains the whole map, which means
we can do O(1) lookup on a block.  This significantly improves
performance.
 2024-12-07 10:12:50 +00:00
mgrettondann 8a454e2082 Add 2024 day 7. 2024-12-07 07:29:03 +00:00
mgrettondann 831bbf4f63 Move IntPair and PosSet into Aoc library. 
These are obviously generic enough and useful for the future that they
can be moved to a shared library.
 2024-12-06 17:15:37 +00:00
mgrettondann 38d0781c7e Reimplement 2024 day 6 to use a set. 
This seems "better" from a functional perspective.  However, it runs
substantially slower for part 2.
 2024-12-06 16:26:32 +00:00
mgrettondann 590637e0de Upgrade Ocamlformat version. 2024-12-06 15:42:18 +00:00
mgrettondann 7fbad713c3 2024 day 6 part 2 2024-12-06 15:41:18 +00:00