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2022/day-2-allocless
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Author SHA1 Message Date
Bert Peters
59be8e9d7a Implement day 11 part 2. 2018-12-11 11:06:20 +01:00
Bert Peters
ff8bc97329 Implement day 11 part 1. 2018-12-11 10:31:23 +01:00
Bert Peters
eaf1156ae0 Refactor for autovectorization. 
By storing x/y as a vector of ints instead of a vector of tuples, the
compiler recognizes it for what it is: a huge vector multiplication. Now
the compiler emits AVX2 instructions.
 2018-12-10 17:13:10 +01:00
Bert Peters
c3480482f2 Implement an estimator function for day 10. 
This bumps the speed tenfold.
 2018-12-10 14:17:57 +01:00
Bert Peters
c94555fda1 Implement day 10. 
This implementation is stupid but it works.
 2018-12-10 13:13:29 +01:00
Bert Peters
63a5f81d8c Pre-allocate correct size. 2018-12-09 17:47:22 +01:00
Bert Peters
c17be69910 Replace linkedlist with VecDeq. 
Slightly slower but a lot cleaner.
 2018-12-09 13:27:05 +01:00
Bert Peters
9b287a0098 Prepare future scaffolding. 
Also reformat the code, but that is nothing significant.
 2018-12-09 13:02:54 +01:00
Bert Peters
9b04e3b2c9 Implement day 9 part 2. 
Linked lists in rust are a pain, but we got there.
 2018-12-09 10:57:47 +01:00
Bert Peters
e101dbd58c Move get_impl to crate. 2018-12-09 10:49:04 +01:00
Bert Peters
1d5869af70 Implement day 9 part 1. 2018-12-09 10:47:21 +01:00
Bert Peters
cf6f4f9e1e Better usage of clap. 2018-12-08 08:00:43 +01:00
Bert Peters
880ae49be6 Split lib/bin. 2018-12-08 07:37:04 +01:00
Bert Peters
c0052c8c24 Replace filter + map with filter_map. 2018-12-08 07:32:46 +01:00
Bert Peters
7245cdf6b5 Implement day 08 in rust. 2018-12-08 07:15:27 +01:00
Bert Peters
2b732c2285 Implement day 08, in python. 
Attempted to reach the leaderboard. Failed miserably. Trying again soon
anyway.
 2018-12-08 07:13:48 +01:00
Bert Peters
0c07cbda24 Remove unused hashset. 2018-12-07 18:13:40 +01:00
Bert Peters
3deb4ceb9a Replace backwards edges with dependency count. 2018-12-07 17:27:26 +01:00
Bert Peters
eee42a70f4 Implement part 2. 
This one got kind of messy at the end.
 2018-12-07 15:58:53 +01:00
Bert Peters
7b56d98853 Implement day 07 part 1. 2018-12-07 11:26:25 +01:00
Bert Peters
1582b556d8 Refactor range of coordinates to own function. 2018-12-06 16:37:19 +01:00
Bert Peters
c44ebaa238 Refactor grouping count into a trait. 2018-12-06 16:19:52 +01:00
Bert Peters
d53100e591 Move sample and input files. 
IDEA doesn't like files without extension.
 2018-12-06 15:43:28 +01:00
Bert Peters
f77e5adf2a Implement day 6. 2018-12-06 13:08:28 +01:00
Bert Peters
bdea21d92b Day 06 inputs. 2018-12-06 11:10:51 +01:00
Bert Peters
8fef472a58 Clarify bitmagic. 
[skip ci]
 2018-12-05 22:45:55 +01:00
Bert Peters
f3d0297da5 Bithack optimizations, why not. 
It saves a branch and a (possibly inlined) function call, but it also
halves the runtime.
 2018-12-05 22:37:22 +01:00
Bert Peters
f426e7067a More easily time the program. 2018-12-05 12:23:54 +01:00
Bert Peters
f4cbb75e63 Attempt 3 to fix travis ignore. 2018-12-05 10:56:34 +01:00
Bert Peters
a2f0026c18 Fix ignore of ubuntu rust. 2018-12-05 10:53:26 +01:00
Bert Peters
aeb2faa6c9 Also test for Ubuntu's rust version. 2018-12-05 10:51:15 +01:00
Bert Peters
28d38470a6 Move sample input to separate files. 2018-12-05 10:43:58 +01:00
Bert Peters
3543351c20 Implement day 05. 
This was a nice exercise in not allocating memory. Or at least it was,
for part 1.
 2018-12-05 10:39:39 +01:00
Bert Peters
3d68f20097 Slightly more efficient and compact code. 
This version loops the input twice, first to build the claims, and then
to check whether they have been claimed more than once.
 2018-12-05 09:53:42 +01:00
Bert Peters
38db4487e3 Add missing input for day 3. 2018-12-04 15:16:50 +01:00
Bert Peters
43eeacc686 Rework previous regex use. 2018-12-04 13:49:16 +01:00
Bert Peters
1e51012d5e Implement day 4. 
Nice code-reuse between 1 and 2. I'm not accustomed to this.
 2018-12-04 13:41:45 +01:00
Bert Peters
9a0f24d6bb Implement day 3. 
Wasted way too much trying to do this cleverly.
 2018-12-03 10:41:38 +01:00
Bert Peters
fd5af9245b Implement day 2. 
Part two was weird.
 2018-12-02 10:36:45 +01:00
Bert Peters
e4e4432810 Add travis button. 2018-12-01 13:37:33 +01:00
Bert Peters
3bbe6a479a Implement day 1 2018. 
We've started.
 2018-12-01 11:03:48 +01:00
Bert Peters
c41099d9d5 Implement day 11. 
Whelp, this was really annoying.
 2018-11-30 16:39:42 +01:00
Bert Peters
48db1dde39 Simplify the "find" operation. 2018-11-30 14:13:58 +01:00
Bert Peters
2ec8dddb66 Reimplement day 21. 2018-11-30 13:59:53 +01:00
Bert Peters
b570821c8a Properly use the never type. 2018-11-29 17:01:01 +01:00
Bert Peters
d02fd49bd6 Clean up tests 2018-11-29 16:58:51 +01:00
Bert Peters
fccb7d28ad Fix some warnings. 2018-11-29 16:56:52 +01:00
Bert Peters
57b2981a15 Reimplement day 2. 2018-11-29 16:55:51 +01:00
Bert Peters
80328015d2 Implement day 25. 2018-11-29 16:31:57 +01:00
Bert Peters
a104356b6f Slightly nicer day parsing. 2018-11-22 16:39:53 +01:00