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31
.gitea/workflows/build_and_deploy.yml
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@ -1,31 +0,0 @@
name: Build and run challenges
defaults:
run:
shell: sh
on:
push:
jobs:
build-and-run:
name: "Build and run challenge for day {{ matrix.day_number }}"
strategy:
fail-fast: true
matrix:
day_number: [1, 2, 3]
#day_number: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25]
defaults:
run:
working-directory: day${{ matrix.day_number }}
runs-on: debian-12
steps:
- name: Install dependencies
run: |
apt update
apt install git
- name: Check out repository code
uses: actions/checkout@v4
- name: Setup Rust toolchain
uses: actions-rust-lang/setup-rust-toolchain@v1
- name: Run challenge for day ${{ matrix.day_number }}
run: cargo run --release ./input

35
.gitlab-ci.yml
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@ -93,38 +93,3 @@ day-18:
stage: build
script:
- cd day18; cargo run --release ./input
day-19:
stage: build
script:
- cd day19; cargo run --release ./input
day-20:
stage: build
script:
- cd day20; cargo run --release ./input
day-21:
stage: build
script:
- cd day21; cargo run --release ./input
day-22:
stage: build
script:
- cd day22; cargo run --release ./input
day-23:
stage: build
script:
- cd day23; cargo run --release ./input
day-24:
stage: build
script:
- cd day24; cargo run --release ./input
day-25:
stage: build
script:
- cd day25; cargo run --release ./input

674
LICENSE
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@ -1,674 +0,0 @@
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Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
Advent of Code 2021
Copyright (C) 2022 Louis Vallat
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) 2022 Louis Vallat
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<https://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<https://www.gnu.org/licenses/why-not-lgpl.html>.

34
README.md
View File

@ -1,34 +0,0 @@
# Advent Of Code 2021
> Find the sleigh key to save Santa, using your smol submarine!
## What
This repository hosts the code that I produced to solve the different puzzles
provided for the Advent of Code 2021, that you can find [here](https://adventofcode.com/2021).
## How
In order to solve the different puzzles, I used the **Rust** programming language,
as I wanted a way to experiment and practice this new language.
There are no dependencies and no external crate.
To execute it, just open the specific day you want to run, and use `cargo run --release -- ./input`.
Replacing the `input` file **should** work without any code modification.
## Why
Because puzzles are fun! And Rust is fun too!
## Yikes
The code produced may not be optimal nor the fastest. And that's normal, I tried
to spend less than a day (and to do it in my spare time after school).
The code is also very ugly for a reason: usually I use single letters for the
variable names. Usually it's fine. For me. For other people re reading me, it's
less fun. So I forced myself to use mainly single characters as variable names,
just to make me want to stop doing it.

8
day19/Cargo.toml
View File

@ -1,8 +0,0 @@
[package]
name = "day19"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]

857
day19/input
View File

@ -1,857 +0,0 @@
--- scanner 0 ---
-594,397,693
-451,-583,331
-597,843,-847
-661,524,591
730,571,661
651,-549,-489
41,0,24
630,563,701
696,-602,543
-553,706,-847
-838,-658,-361
354,874,-727
125,167,100
-525,-540,451
-848,-529,-478
349,917,-644
-576,447,702
656,-361,-480
-403,-575,353
686,-447,-369
625,-510,651
-421,729,-852
-856,-616,-408
666,-425,576
703,540,868
385,731,-682
--- scanner 1 ---
560,474,-555
479,629,-526
-426,444,-864
325,-544,-582
365,-495,-573
672,-474,608
-439,442,-612
-887,-506,499
-431,-816,-652
-560,-824,-525
568,-500,758
-786,-558,418
804,739,574
-804,411,560
-654,460,580
494,408,-481
797,614,447
455,-566,-686
-464,-715,-596
825,740,572
547,-506,737
-327,440,-725
-776,422,551
-19,-173,-3
-856,-449,417
--- scanner 2 ---
479,583,-260
565,-830,543
-784,411,557
436,645,-355
397,414,625
723,-724,570
-625,478,-617
-902,-751,-590
-919,-899,-626
-523,-598,625
-2,-63,44
-192,-138,91
302,-614,-449
-916,-786,-624
-549,395,-481
327,450,569
316,-700,-320
-566,-674,492
585,-808,629
-744,377,527
-700,488,513
-525,399,-657
-670,-689,594
257,-546,-310
593,589,-352
447,469,651
--- scanner 3 ---
710,-694,815
903,381,694
657,478,-524
-518,-827,-571
553,493,-422
-270,621,380
-736,443,-500
522,-699,-738
-329,467,390
611,-753,887
-498,-654,336
-578,337,-473
-630,-769,-453
-598,359,-559
906,268,696
595,-812,-722
-495,-556,454
510,569,-555
496,-735,-673
889,416,660
516,-708,800
-525,-828,-499
-315,553,519
125,-167,93
16,-15,13
-370,-655,495
--- scanner 4 ---
561,-530,-578
518,836,898
-765,-682,897
738,-500,-611
84,74,9
810,681,-732
461,642,874
-620,444,957
380,-730,787
-427,-566,-453
422,-564,848
-404,-493,-286
646,-571,-503
-613,773,-672
476,645,904
681,556,-764
-452,398,888
-713,-797,796
-435,-466,-493
831,660,-738
-500,863,-743
-509,903,-694
-830,-722,811
-537,495,906
408,-627,767
--- scanner 5 ---
-749,-404,454
600,598,580
-764,-722,-519
-875,-376,579
-540,572,619
-874,-397,581
-609,-641,-548
431,-746,-679
365,-633,765
339,-529,615
-420,537,517
610,493,-501
371,-654,744
650,593,-493
492,527,672
-24,-64,49
-695,874,-847
-127,84,-93
-531,567,431
-543,-707,-474
-778,869,-804
-733,838,-661
525,557,495
409,-876,-575
360,-836,-566
817,520,-470
--- scanner 6 ---
713,-860,-483
-565,-584,-526
100,-153,47
-482,692,399
-286,-557,524
822,486,680
611,-926,794
-663,-602,-640
-588,385,-667
914,492,566
557,597,-538
-600,596,-670
619,-807,-494
-655,774,415
-515,-597,533
819,430,523
-551,-666,-726
693,680,-462
-598,750,484
598,-862,-374
-608,455,-544
517,676,-438
-330,-610,594
577,-849,775
-5,-41,-71
547,-951,862
--- scanner 7 ---
347,-463,316
37,47,-20
-409,-753,-482
487,-380,-338
-866,443,-723
417,442,795
-638,-290,735
339,-411,364
295,-397,-338
-546,-740,-576
313,-463,-352
279,553,-771
-814,544,-838
375,436,604
-621,-276,818
-131,93,71
360,466,601
-427,-818,-485
-647,-495,786
-638,434,454
-721,383,403
321,492,-605
381,-538,307
-553,452,357
307,573,-668
-931,529,-763
--- scanner 8 ---
-851,737,-565
468,-753,-432
644,-742,574
-826,811,-521
470,612,765
603,790,-395
-397,-456,784
469,768,-379
387,442,803
-760,789,-468
-811,-501,-674
48,-160,0
699,-792,548
663,-862,492
530,-710,-337
354,794,-363
-125,-20,-33
-752,315,722
-888,-482,-640
-813,431,779
-913,-414,-704
-465,-607,847
524,-596,-429
299,529,760
-377,-643,805
-749,371,855
--- scanner 9 ---
-809,-724,-432
592,728,-735
-510,726,361
-872,-608,-395
-481,864,341
-639,727,-781
561,620,361
597,650,379
747,616,345
514,-386,-686
712,-382,-620
501,-755,571
438,641,-767
405,-768,421
-858,-603,-430
-70,109,-125
-435,860,415
-771,-746,729
-555,804,-737
522,656,-585
-831,-620,822
-81,-15,69
-595,838,-767
625,-261,-632
-886,-729,828
479,-683,438
--- scanner 10 ---
881,663,713
-677,-726,-668
538,-558,-909
404,-483,-855
813,-747,329
-753,-461,502
-762,-650,-629
-854,-740,-677
648,699,-925
-873,498,-874
-693,-539,543
644,513,-909
-752,692,432
-573,-457,481
20,-167,-56
614,549,-891
801,-728,320
802,-904,423
-758,544,524
400,-529,-929
-783,387,-810
825,660,670
-897,489,-883
840,642,633
-785,624,530
-90,-17,-180
--- scanner 11 ---
-55,84,120
383,423,-460
348,-628,-638
-734,-705,-302
569,-829,498
-634,422,900
-143,-36,27
-768,-740,-288
383,620,573
-770,-853,-285
-584,-636,606
415,533,727
565,605,657
-702,382,927
492,-856,638
-750,388,887
413,457,-420
-566,-546,639
-801,445,-679
-761,524,-579
481,-552,-681
-668,-630,636
369,534,-504
-625,441,-655
450,-643,-534
576,-774,631
--- scanner 12 ---
-965,-651,-291
675,621,-532
341,345,727
701,436,-619
-523,483,917
-925,-701,-381
423,-662,-330
-97,-57,82
-626,522,926
-617,-714,416
623,-582,490
375,489,727
763,601,-604
380,-631,-342
-598,-603,550
-872,-648,-484
-595,-557,449
585,-564,593
-882,368,-270
-925,420,-460
-911,390,-258
556,-524,395
468,-691,-253
-703,542,962
351,473,678
--- scanner 13 ---
-600,-593,480
-388,-344,-865
-711,624,322
719,-602,-590
-804,740,-434
832,427,-610
-65,77,-30
-644,-690,357
565,-704,548
-544,-298,-850
-780,797,-628
-497,-310,-793
-810,782,-625
-649,549,390
109,-60,58
515,-735,488
826,448,-589
455,-671,399
883,768,814
826,686,845
779,-568,-700
-553,-771,482
858,577,-714
835,-690,-669
-656,754,352
774,767,744
--- scanner 14 ---
752,-458,532
-612,-635,-844
383,-370,-637
-641,-643,368
18,72,-67
621,-442,593
680,-645,557
-778,702,603
-703,-712,366
350,579,624
-585,644,-791
321,-320,-693
-746,548,516
-550,-539,-840
385,594,-893
-378,-637,-814
-592,777,-846
334,393,628
-596,618,588
449,705,-803
376,603,-917
-669,637,-873
366,-445,-773
368,543,594
-720,-840,359
--- scanner 15 ---
-765,498,475
612,-411,653
-12,130,-66
-569,-479,650
309,-718,-754
-128,16,-175
-905,-715,-446
295,-753,-759
-651,406,481
289,722,-873
-879,709,-937
572,-381,687
353,803,665
377,627,669
-608,501,419
-499,-423,614
-619,-505,595
358,-716,-875
453,763,586
409,701,-818
-947,773,-962
-860,743,-860
-754,-778,-514
528,-367,576
-718,-736,-426
398,607,-871
--- scanner 16 ---
-624,-579,-747
700,461,-545
516,593,232
595,648,288
-367,-350,437
-450,-388,607
417,-369,-461
-279,-393,524
-698,649,683
-643,-661,-867
-634,828,-826
-42,-55,-43
485,-306,-612
-463,754,-776
397,-348,-648
-679,-605,-797
96,84,-153
772,588,-461
451,711,296
774,543,-518
833,-374,426
-823,583,641
-676,614,537
772,-431,310
-364,800,-825
769,-298,366
--- scanner 17 ---
-535,-668,-567
-643,495,929
719,-570,605
572,-601,696
-634,486,953
-593,-475,827
384,440,-344
-689,-636,-480
-694,478,-558
-619,-486,-552
338,514,-348
-460,-482,882
498,-668,-370
-600,-559,909
595,692,910
-658,460,-588
505,740,818
16,143,132
413,460,-482
581,701,733
542,-682,-481
458,-638,-404
-844,444,-592
-532,559,839
-105,25,44
676,-703,681
--- scanner 18 ---
-646,448,-358
421,-453,552
611,592,834
-668,-586,773
-794,510,-405
-550,432,452
-618,472,479
648,561,653
384,630,-628
338,-471,611
-584,-580,743
-711,659,-371
673,546,767
-590,-476,-272
596,-648,-389
433,457,-559
456,-496,563
656,-736,-522
-468,-470,-245
498,676,-566
-502,438,492
640,-637,-412
13,78,59
-686,-496,740
-428,-603,-267
--- scanner 19 ---
-535,718,531
759,469,-617
49,6,-150
-647,632,595
873,-717,-496
-291,693,-778
-549,518,613
-405,771,-809
-270,-532,640
635,486,390
-349,811,-862
729,475,337
795,-867,-501
-586,-492,-476
-729,-621,-473
593,-783,348
-499,-541,600
614,366,335
-38,-71,17
563,-870,246
-708,-633,-457
837,-715,-605
627,-802,271
657,401,-631
-314,-602,587
744,319,-742
--- scanner 20 ---
118,-4,-45
-313,-645,461
-371,-761,376
492,433,672
725,-694,306
842,470,-625
-593,271,-452
852,342,-674
-597,410,-353
-563,580,534
-595,523,-465
813,-634,395
518,618,585
-629,654,468
-608,-635,-567
-1,-181,-107
570,-585,-437
637,-527,-342
608,-567,-540
-408,609,453
-678,-655,-690
430,598,657
-289,-588,392
818,486,-674
770,-665,383
-467,-643,-693
--- scanner 21 ---
-814,-466,669
425,811,436
-460,911,-535
-500,884,-603
558,590,-653
662,-304,-469
434,-719,739
-602,-595,-476
468,800,471
468,623,-671
-519,-671,-612
-574,596,688
-589,710,663
-523,-695,-436
501,-814,797
443,752,353
-603,-463,681
-744,-589,689
472,-616,757
-75,109,56
-620,529,626
627,-318,-503
-466,871,-487
552,620,-569
775,-301,-467
--- scanner 22 ---
913,595,571
80,66,-93
-752,-661,-816
-504,563,-357
703,696,-638
-480,486,-489
-543,504,-522
-562,-609,-859
-384,650,330
948,-550,562
831,666,546
851,-578,416
897,-559,-689
-490,-408,741
-418,-428,829
-477,572,302
-764,-639,-845
846,593,-665
986,-684,-672
36,185,57
-403,-593,767
-416,607,354
884,584,439
732,-583,568
703,652,-622
880,-756,-726
--- scanner 23 ---
-602,652,-708
-729,781,-700
-942,-759,-577
434,-593,570
422,325,-390
483,408,527
-424,-783,440
340,356,-333
-77,37,73
474,436,538
440,-799,-469
341,426,-442
-673,748,-599
445,-797,-552
503,558,576
-565,-858,471
-689,773,558
428,-800,646
-818,-808,-561
416,-776,-520
-941,786,560
512,-688,549
-802,885,556
-870,-728,-568
-613,-726,424
--- scanner 24 ---
616,666,-720
559,-451,438
653,780,380
-725,733,-842
-686,657,-757
718,562,-705
-820,-373,698
585,-401,383
667,-569,-861
-425,854,320
-445,825,458
-848,-372,428
683,740,346
-744,-322,-718
581,-589,-839
-686,-382,-817
-499,900,324
641,-331,419
-694,-315,-874
585,519,-629
640,-727,-755
-774,-422,599
-63,69,-70
-677,643,-934
697,696,457
--- scanner 25 ---
674,721,-553
-334,789,662
602,-473,579
-695,-823,616
6,6,-9
-682,-410,-584
841,401,569
-680,-885,451
814,723,-484
-618,433,-463
801,-846,-654
824,660,-585
-714,-386,-627
651,-463,707
651,-497,563
850,504,530
-536,803,632
-346,760,684
-621,-358,-549
-555,466,-481
-594,301,-540
847,-905,-646
-608,-797,431
818,-945,-832
886,581,510
--- scanner 26 ---
-509,460,-504
596,-943,651
-393,-890,-842
-353,-804,-907
782,570,-465
705,-460,-568
-345,-780,303
524,808,634
644,-782,676
542,-754,603
52,-106,-94
646,710,599
-504,510,569
-582,293,-481
190,-89,58
697,459,-388
-545,585,484
659,-667,-613
645,-493,-541
715,468,-338
-511,-841,345
-278,-789,-790
-609,500,-512
-575,618,661
572,830,642
-448,-760,331
--- scanner 27 ---
655,601,-428
-587,941,-352
-727,-430,-470
581,667,-494
484,-623,497
554,-351,-259
-642,763,733
-760,859,-336
563,-302,-299
450,-373,-389
524,635,505
-634,622,607
-677,-417,589
-912,-443,-531
610,822,-413
-579,-435,703
-109,111,68
272,637,492
411,633,393
611,-631,626
-691,-499,789
-644,917,-421
-654,552,730
540,-522,530
-956,-390,-461
--- scanner 28 ---
549,558,-705
-358,771,-570
-599,-543,-592
987,-345,-830
-399,672,-445
-704,619,441
-575,-405,-631
769,592,421
-553,-568,794
818,515,520
595,499,-600
834,628,447
749,-476,817
-791,574,536
667,500,-593
46,-19,65
761,-356,681
744,-569,703
-628,-726,803
171,27,-72
921,-320,-745
-541,-437,-576
833,-393,-860
-240,673,-573
-536,-553,833
-719,633,635
--- scanner 29 ---
453,-648,732
357,421,614
-572,366,-732
275,437,787
619,545,-687
-651,-297,848
594,-522,740
369,-440,-561
-640,411,-593
-784,428,710
-584,-392,790
-777,-793,-452
-726,425,-722
-622,-495,808
-925,-810,-416
452,-516,-425
-827,440,741
-164,106,178
299,506,730
-812,-807,-418
563,702,-690
15,-56,45
557,588,-782
373,-416,-385
664,-645,720
-739,351,681
--- scanner 30 ---
415,780,-484
570,-850,-776
609,756,-427
853,770,486
478,-790,647
695,-882,-647
-864,-850,-538
-441,-641,557
71,24,16
606,786,-442
-416,728,429
-833,-907,-456
756,788,571
348,-812,543
388,-861,534
807,839,654
-341,687,-600
-763,-798,-457
-408,-540,613
591,-856,-797
-530,710,493
12,-115,-109
-400,768,600
-371,632,-470
-537,-532,486
-409,625,-675

175
day19/src/main.rs
View File

@ -1,175 +0,0 @@
use std::{fs, env, collections::{HashMap, HashSet}};
#[derive(Debug)]
struct Scanner {
pub x: i32,
pub y: i32,
pub z: i32,
pub b: Vec<(i32, i32, i32)>,
pub c: HashMap<((i32, i32, i32), (i32, i32, i32)), ((i32, i32, i32), (i32, i32, i32))>
}
fn read_input(path: &str) -> String {
return fs::read_to_string(path).expect("Cannot read file.");
}
fn parse_input(s: &str) -> Vec<Scanner> {
let mut v: Vec<Scanner> = vec![];
for l in s.lines() {
if l.starts_with("--- scanner ") {
v.push(Scanner {x: 0, y: 0, z: 0, b: vec![], c: HashMap::new()});
} else if !l.is_empty() {
let t = l.split(",").filter_map(|e| e.parse().ok())
.collect::<Vec<i32>>();
v.last_mut().unwrap().b.push((t[0], t[1], t[2]));
}
}
for s in v.iter_mut() {
populate_distances_tuples(s);
}
return v;
}
fn populate_distances_tuples(s: &mut Scanner) {
s.c.clear();
for e in s.b.clone() {
for f in s.b.clone() {
if e != f && !s.c.contains_key(&(f, e)) {
let mut d = vec![(e.0 - f.0).abs(), (e.1 - f.1).abs(), (e.2 - f.2).abs()];
let u = vec![(e.0 - f.0), (e.1 - f.1), (e.2 - f.2)];
d.sort();
s.c.insert((e, f), ((d[0], d[1], d[2]), (u[0], u[1], u[2])));
}
}
}
}
fn rotate(c: &(i32, i32, i32), r: u8) -> (i32, i32, i32) {
let (x, y, z) = *c;
return match r {
1 => { (x, z, -y) }
2 => { (x, -y, -z) }
3 => { (x, -z, -y) }
4 => { (x, -z, y) }
5 => { (-x, -y, z) }
6 => { (-x, z, y) }
7 => { (-x, y, -z) }
8 => { (-x, -z, -y) }
9 => { (y, z, x) }
10 => { (y, x, -z) }
11 => { (y, -z, -x) }
12 => { (y, -x, z) }
13 => { (-y, -z, x) }
14 => { (-y, x, z) }
15 => { (-y, z, -x) }
16 => { (-y, -x, -z) }
17 => { (z, x, y) }
18 => { (z, y, -x) }
19 => { (z, -x, -y) }
20 => { (z, -y, x) }
21 => { (-z, -x, y) }
22 => { (-z, y, x) }
23 => { (-z, x, -y) }
24 => { (-z, -y, -x) }
_ => { (x, y, z) }
}
}
fn find_rotation(d1: &(i32, i32, i32), d2: &(i32, i32, i32)) -> u8 {
for r in 0..=24 {
if *d1 == rotate(d2, r) { return r; }
}
return u8::MAX;
}
fn find_corres(s1: &Scanner, s2: &Scanner, t: usize) -> Option<(HashMap<(i32, i32, i32), (i32, i32, i32)>, u8)> {
let mut a = 0;
let mut r = u8::MAX;
let mut c = HashMap::new();
let mut p: HashMap<(i32, i32, i32), HashSet<(i32, i32, i32)>> = HashMap::new();
for d1 in s1.c.clone().into_iter() {
for d2 in s2.c.clone().into_iter() {
if d1.1.0 == d2.1.0 {
a += 1;
if !c.contains_key(&d1.0.0) {
if !p.contains_key(&d1.0.0) { p.insert(d1.0.0, HashSet::new()); }
if p.get(&d1.0.0).unwrap().contains(&d2.0.0) && !p.get(&d1.0.0).unwrap().contains(&d2.0.1) {
r = find_rotation(&d1.1.1, &d2.1.1);
c.insert(d1.0.0, d2.0.0);
} else {
p.get_mut(&d1.0.0).unwrap().insert(d2.0.0);
p.get_mut(&d1.0.0).unwrap().insert(d2.0.1);
}
}
}
}
}
return if a >= (t * (t - 1) / 2) { Some((c, r)) } else { None };
}
fn compute_absolute(v: &mut Vec<Scanner>, f: usize, a: &mut Vec<bool>) {
a[f] = true;
for i in 0..v.len() {
if i != f && !a[i] {
let c = find_corres(&v[f], &v[i], 12);
if c.is_some() {
let (h, r) = c.unwrap();
if r == u8::MAX { panic!(); }
let (g, x) = h.into_iter().last().unwrap();
let t = rotate(&x, r);
v[i].x = g.0 - t.0;
v[i].y = g.1 - t.1;
v[i].z = g.2 - t.2;
for (j, b) in v[i].b.clone().iter().enumerate() {
v[i].b[j] = rotate(&b, r);
v[i].b[j].0 += v[i].x;
v[i].b[j].1 += v[i].y;
v[i].b[j].2 += v[i].z;
}
populate_distances_tuples(&mut v[i]);
compute_absolute(v, i, a);
}
}
}
}
fn count_unique_coordinates(v: &Vec<Scanner>) -> usize {
let mut c = HashSet::new();
for s in v.iter() {
for b in s.b.iter() {
c.insert(b);
}
}
return c.len();
}
fn get_max_manhattan_distance(v: &Vec<Scanner>) -> i32 {
let mut i = i32::MIN;
for s1 in v.iter() {
for s2 in v.iter() {
i = std::cmp::max(i, (s1.x - s2.x).abs() +
(s1.y - s2.y).abs() +
(s1.z - s2.z).abs());
}
}
return i;
}
fn main() {
let args: Vec<String> = env::args().collect();
for arg in args.iter().skip(1) {
let input = read_input(&arg);
let mut vec_in = parse_input(&input);
let nb_scanner = vec_in.len();
populate_distances_tuples(&mut vec_in[0]);
compute_absolute(&mut vec_in, 0, &mut vec![false; nb_scanner]);
println!("[{}]", &arg);
println!("\t[Part 1] => Answer is '{}'.", count_unique_coordinates(&vec_in));
println!("\t[Part 2] => Answer is '{}'.", get_max_manhattan_distance(&vec_in));
}
}

8
day20/Cargo.toml
View File

@ -1,8 +0,0 @@
[package]
name = "day20"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]

102
day20/input
View File

@ -1,102 +0,0 @@
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94
day20/src/main.rs
View File

@ -1,94 +0,0 @@
use std::{fs, env, collections::HashSet};
#[derive(Debug)]
struct Image {
pub h: usize,
pub w: usize,
pub i: HashSet<(usize, usize)>
}
fn read_input(path: &str) -> String {
return fs::read_to_string(path).expect("Cannot read file.");
}
fn parse_input(s: &str) -> (HashSet<usize>, Image) {
let mut e = HashSet::new();
let mut p = HashSet::new();
let mut r = 0;
for l in s.lines() {
if e.is_empty() {
for (i, c) in l.chars().enumerate() {
if c == '#' { e.insert(i); }
}
} else if !l.is_empty() {
for (i, c) in l.chars().enumerate() {
if c == '#' { p.insert((r, i)); }
}
r += 1;
}
}
let c = get_min_max_coord(&p);
return (e, Image { h: c.0.1, w: c.1.1, i: p });
}
fn get_min_max_coord(p: &HashSet<(usize, usize)>) -> ((usize, usize), (usize, usize)) {
let (mut lh, mut uh, mut lw, mut uw) = (usize::MAX, usize::MIN, usize::MAX, usize::MIN);
for i in p.iter() {
lh = std::cmp::min(lh, i.0);
uh = std::cmp::max(uh, i.0);
lw = std::cmp::min(lw, i.1);
uw = std::cmp::max(uw, i.1);
}
return ((lh, uh), (lw, uw));
}
fn shift_image_for_safety(i: &mut Image, s: usize) {
let mut h = HashSet::new();
for e in i.i.clone() {
h.insert((e.0 + s, e.1 + s));
}
i.h += s * 2;
i.w += s * 2;
i.i = h;
}
fn enhance_image(i: &mut Image, a: &HashSet<usize>) {
let mut e = HashSet::new();
for r in 1..i.h {
for c in 1..i.w {
let mut z = 0;
for y in (r - 1) as i32..=(r + 1) as i32 {
for x in (c - 1) as i32..=(c + 1) as i32 {
z <<= 1;
if i.i.contains(&(y as usize, x as usize)) { z += 1; }
}
}
if a.contains(&z) { e.insert((r, c)); }
}
}
i.i = e;
i.h -= 1;
i.w -= 1;
}
fn main() {
let args: Vec<String> = env::args().collect();
for arg in args.iter().skip(1) {
let input = read_input(&arg);
let mut vec_in = parse_input(&input);
shift_image_for_safety(&mut vec_in.1, 100);
let mut p1 = 0;
for i in 0..50 {
if i == 2 { p1 = vec_in.1.i.len(); }
enhance_image(&mut vec_in.1, &vec_in.0);
}
println!("[{}]", &arg);
println!("\t[Part 1] => Answer is '{}'.", p1);
println!("\t[Part 2] => Answer is '{}'.", vec_in.1.i.len());
}
}

8
day21/Cargo.toml
View File

@ -1,8 +0,0 @@
[package]
name = "day21"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]

2
day21/input
View File

@ -1,2 +0,0 @@
Player 1 starting position: 1
Player 2 starting position: 2

100
day21/src/main.rs
View File

@ -1,100 +0,0 @@
use std::{fs, env, collections::HashMap};
struct Dice {
n: u32,
i: u32
}
impl Dice {
fn new() -> Dice { Dice { n: 0, i: 0 } }
fn get_nb_draw(&self) -> u32 { return self.n; }
fn get_next(&mut self) -> u32 {
self.n += 1;
self.i = (self.i + 1) % 100;
if self.i == 0 { self.i = 100; }
return self.i;
}
}
fn read_input(path: &str) -> String {
return fs::read_to_string(path).expect("Cannot read file.");
}
fn parse_input(s: &str) -> (u8, u8) {
let p = s.lines()
.map(|l| l.split_once(": ").unwrap().1.parse::<u8>().unwrap())
.collect::<Vec<u8>>();
return (p[0], p[1]);
}
fn play_classic(mut v: (u8, u8)) -> (u32, u32) {
let mut d = Dice::new();
let mut s = (0, 0);
let mut p = true;
while s.0 < 1000 && s.1 < 1000 {
let a = d.get_next() + d.get_next() + d.get_next();
let mut x = (if p { v.0 } else { v.1 } as u32 + a) % 10;
if x == 0 { x = 10; }
if p {
v.0 = x as u8;
s.0 += x;
if s.0 >= 1000 { return (d.get_nb_draw(), s.1); }
} else {
v.1 = x as u8;
s.1 += x;
if s.1 >= 1000 { return (d.get_nb_draw(), s.0); }
}
p = !p;
}
return (d.get_nb_draw(), std::cmp::min(s.0, s.1));
}
fn play_quantum(v: (u8, u8), s: (u8, u8), p: bool, c: &mut HashMap<((u8, u8), (u8, u8), bool), (u128, u128)>) {
if s.0 >= 21 {
c.insert((v, s, p), (1, 0));
return;
}
if s.1 >= 21 {
c.insert((v, s, p), (0, 1));
return;
}
for i in 1..=3 {
for j in 1..=3 {
for k in 1..=3 {
let mut a = v;
let mut b = s;
if p {
a.0 = (a.0 + i + j + k) % 10;
if a.0 == 0 { a.0 = 10; }
b.0 += a.0;
} else {
a.1 = (a.1 + i + j + k) % 10;
if a.1 == 0 { a.1 = 10; }
b.1 += a.1;
}
if !c.contains_key(&(a, b, !p)) { play_quantum(a, b, !p, c); }
let r = *c.get(&(a, b, !p)).unwrap();
let x = *c.get(&(v, s, p)).unwrap_or(&(0, 0));
c.insert((v, s, p), (r.0 + x.0, r.1 + x.1));
}
}
}
}
fn main() {
let args: Vec<String> = env::args().collect();
for arg in args.iter().skip(1) {
let input = read_input(&arg);
let vec_in = parse_input(&input);
let c = play_classic(vec_in);
let mut w = HashMap::new();
play_quantum(vec_in, (0, 0), true, &mut w);
let w = w.get(&(vec_in, (0, 0), true)).unwrap();
println!("[{}]", &arg);
println!("\t[Part 1] => Answer is '{}'.", c.0 * c.1);
println!("\t[Part 2] => Answer is '{}'.", std::cmp::max(w.0, w.1));
}
}

8
day22/Cargo.toml
View File

@ -1,8 +0,0 @@
[package]
name = "day22"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]

420
day22/input
View File

@ -1,420 +0,0 @@
on x=-3..43,y=-22..22,z=-15..34
on x=-9..42,y=-40..12,z=-30..19
on x=-5..46,y=-9..38,z=-31..21
on x=-27..25,y=-30..22,z=-9..42
on x=-25..27,y=-43..3,z=-22..31
on x=-39..9,y=-45..8,z=-17..29
on x=-10..36,y=-2..44,z=-9..35
on x=-45..4,y=-41..5,z=-3..49
on x=-24..26,y=-34..12,z=-6..44
on x=-35..17,y=-36..11,z=-42..10
off x=5..19,y=6..21,z=-21..-3
on x=-45..1,y=-40..11,z=-31..20
off x=16..30,y=-16..-4,z=21..33
on x=-38..7,y=-30..15,z=-46..3
off x=36..48,y=-39..-22,z=-47..-34
on x=-23..22,y=-22..29,z=-27..24
off x=-39..-29,y=-47..-34,z=-13..-1
on x=-18..28,y=-3..44,z=-8..38
off x=-38..-24,y=-48..-39,z=14..28
on x=-32..21,y=-36..9,z=-38..16
on x=-40114..-18236,y=44675..56621,z=-62989..-35133
on x=-47063..-26565,y=34232..54684,z=-70517..-34320
on x=-56151..-43929,y=48563..58124,z=36908..41850
on x=-77794..-42408,y=-69580..-49841,z=1311..11416
on x=-55821..-38492,y=49499..69556,z=17469..29122
on x=63143..77824,y=-46210..-33353,z=9878..30392
on x=39342..53117,y=-50110..-40820,z=-62170..-40938
on x=-73484..-48152,y=-65736..-42700,z=-18262..-13156
on x=37366..54383,y=19405..43152,z=47195..68515
on x=-58204..-27378,y=-43155..-25521,z=-62841..-54391
on x=-74420..-47151,y=37359..62719,z=-25475..-3046
on x=-45598..-17555,y=-26089..-5704,z=-70074..-64019
on x=-60861..-28014,y=-73554..-54991,z=-31524..-9823
on x=-24856..-677,y=-30123..-15884,z=63853..91090
on x=-70612..-48898,y=-58794..-27838,z=31988..51431
on x=-39272..-20927,y=-20393..-13252,z=-85528..-72953
on x=-25668..-4103,y=-18215..-1734,z=-91736..-74972
on x=-58040..-34891,y=-68034..-41896,z=22484..48325
on x=-83077..-63382,y=17005..35646,z=-28949..3129
on x=-75533..-63223,y=-47132..-32953,z=18181..35552
on x=-12005..9792,y=19338..25243,z=-92843..-67825
on x=56387..84965,y=-35767..-23866,z=-7517..29845
on x=41294..42717,y=62107..77449,z=-6076..18165
on x=68909..88527,y=12129..33752,z=-14973..1514
on x=70106..89265,y=-44616..-27968,z=-11036..-1697
on x=23822..38056,y=40195..55684,z=-65662..-33478
on x=57501..81938,y=-18907..-5701,z=5821..28274
on x=-25260..-17668,y=-48592..-46210,z=-69961..-51155
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on x=45669..82341,y=-56204..-41535,z=-21028..-14812
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on x=62454..72648,y=-56206..-23070,z=-36904..-4173
on x=-14045..15260,y=74607..78556,z=3616..39536
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on x=16840..31474,y=51862..63491,z=41052..56975
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on x=27313..55472,y=56100..75902,z=19430..45734
on x=-6356..15818,y=-68706..-57263,z=36276..50109
on x=-86603..-47010,y=-10414..18891,z=-47053..-29175
on x=-55452..-23629,y=-70516..-54860,z=1793..24906
on x=50625..72911,y=-12487..-2707,z=-71603..-40651
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on x=-9884..16104,y=-37553..-13090,z=-80288..-61586
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on x=-28440..950,y=-58170..-37455,z=42708..66553
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on x=-77452..-58620,y=-27879..-12335,z=28389..50389
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78
day22/src/main.rs
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@ -1,78 +0,0 @@
use std::{fs, env, collections::HashMap, hash::Hash};
#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
struct Cuboid {
pub s: bool,
pub x: (i32, i32),
pub y: (i32, i32),
pub z: (i32, i32)
}
impl Cuboid {
fn insersects(&self, o: &Cuboid) -> Option<Cuboid> {
if (self.x.1 < o.x.0 || self.x.0 > o.x.1)
|| (self.y.1 < o.y.0 || self.y.0 > o.y.1)
|| (self.z.1 < o.z.0 || self.z.0 > o.z.1) {
return None;
}
return Some(Cuboid { s: self.s && o.s,
x: (std::cmp::max(self.x.0, o.x.0), std::cmp::min(self.x.1, o.x.1)),
y: (std::cmp::max(self.y.0, o.y.0), std::cmp::min(self.y.1, o.y.1)),
z: (std::cmp::max(self.z.0, o.z.0), std::cmp::min(self.z.1, o.z.1)),
});
}
fn get_nb_cubes(&self) -> usize {
return (self.x.1 - self.x.0 + 1) as usize
* (self.y.1 - self.y.0 + 1) as usize
* (self.z.1 - self.z.0 + 1) as usize;
}
}
fn read_input(path: &str) -> String {
return fs::read_to_string(path).expect("Cannot read file.");
}
fn parse_input(s: &str) -> Vec<Cuboid> {
let mut v = vec![];
for l in s.lines() {
let a = l.split_once(" ").unwrap();
let c = a.1.split(",")
.map(|e| e.split_once("=").unwrap().1.split_once("..").unwrap())
.map(|e| (e.0.parse::<i32>().unwrap(), e.1.parse::<i32>().unwrap()))
.collect::<Vec<(i32, i32)>>();
v.push(Cuboid { s: a.0 == "on", x: c[0], y: c[1], z: c[2] });
}
return v;
}
fn compute_reboot(a: &Vec<Cuboid>) -> i64 {
let mut c: HashMap<Cuboid, i8> = HashMap::new();
for c1 in a.iter() {
let mut t = HashMap::new();
for (c2, i) in &c {
let n = c1.insersects(c2);
if n.is_some() {
t.insert(n.unwrap(), *t.get(&n.unwrap()).unwrap_or(&0) - i);
}
}
if c1.s { t.insert(*c1, *t.get(&c1).unwrap_or(&0) + 1); }
for e in t {
c.insert(e.0, *c.get(&e.0).unwrap_or(&0) + e.1);
}
}
return c.iter()
.fold(0, |acc, e| acc + e.0.get_nb_cubes() as i64 * *e.1 as i64);
}
fn main() {
let args: Vec<String> = env::args().collect();
for arg in args.iter().skip(1) {
let input = read_input(&arg);
let vec_in = parse_input(&input);
println!("[{}]", &arg);
println!("\t[Part 1] => Answer is '{}'.", compute_reboot(&vec_in[0..20].to_vec()));
println!("\t[Part 2] => Answer is '{}'.", compute_reboot(&vec_in));
}
}

8
day23/Cargo.toml
View File

@ -1,8 +0,0 @@
[package]
name = "day23"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]

5
day23/input
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@ -1,5 +0,0 @@
#############
#...........#
###A#D#B#D###
#B#C#A#C#
#########

215
day23/src/main.rs
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@ -1,215 +0,0 @@
use std::{fs, env, collections::{HashSet, HashMap}};
#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
enum Amphipod {
Amber,
Bronze,
Copper,
Desert,
Placeholder
}
impl Amphipod {
fn get_target_room(&self) -> usize {
return match self {
Amphipod::Amber => { 0 }
Amphipod::Bronze => { 1 }
Amphipod::Copper => { 2 }
Amphipod::Desert => { 3 }
_ => { panic!("Amphipod has no target room.") }
};
}
fn get_from_str(s: &str) -> Amphipod {
return match s {
"A" => { Amphipod::Amber }
"B" => { Amphipod::Bronze }
"C" => { Amphipod::Copper }
"D" => { Amphipod::Desert }
_ => { panic!("Amphipod not recognized.") }
};
}
}
type Action = ((usize, bool), (usize, bool), u32);
fn read_input(path: &str) -> String {
return fs::read_to_string(path).expect("Cannot read file.");
}
fn parse_input(s: &str) -> Vec<Vec<Amphipod>> {
let l = s.lines().skip(2)
.map(|l| l.trim().split("#").filter(|e| !e.is_empty())
.collect::<Vec<&str>>())
.filter(|e| !e.is_empty())
.collect::<Vec<Vec<&str>>>();
let mut g = vec![
vec![Amphipod::Placeholder; l.len()];
l.iter().fold(0, |acc, e| std::cmp::max(e.len(), acc))];
for (n, v) in l.iter().rev().enumerate() {
for (i, a) in v.iter().enumerate() {
g[i][n] = Amphipod::get_from_str(*a);
}
}
return g;
}
fn expand_input(r: &mut Vec<Vec<Amphipod>>) {
let mut s = vec![
Amphipod::Amber, Amphipod::Copper,
Amphipod::Bronze, Amphipod::Amber,
Amphipod::Copper, Amphipod::Bronze,
Amphipod::Desert, Amphipod::Desert];
for e in r.iter_mut() {
e.insert(1, s.pop().unwrap());
e.insert(2, s.pop().unwrap());
}
}
fn no_need_to_move(r: &Vec<Vec<Amphipod>>) -> HashSet<(usize, usize)> {
let mut h = HashSet::new();
for (i, v) in r.iter().enumerate() {
for (l, a) in v.iter().enumerate() {
if a.get_target_room() == i && (l == 0 || h.contains(&(i, l - 1))) {
h.insert((i, l));
}
}
}
return h;
}
fn is_room_full(rooms: &Vec<Vec<Amphipod>>, n: usize, s: &HashSet<(usize, usize)>,
room_depth: usize) -> bool {
return rooms[n].len() == room_depth
&& s.iter().filter(|e| e.0 == n).count() == room_depth;
}
fn is_target_room_ready(rooms: &Vec<Vec<Amphipod>>, n: usize, s: &HashSet<(usize, usize)>,
room_depth: usize) -> bool {
return !is_room_full(rooms, n, s, room_depth)
&& s.iter().filter(|e| e.0 == n).count() == rooms[n].len();
}
fn can_cross_hallway(s: usize, t: usize, h: &Vec<Option<Amphipod>>) -> bool {
if h.iter().all(|e| e.is_none()) { return true; }
if s == t { return false; }
let (b, e) = (std::cmp::min(s, t) + 1, std::cmp::max(s, t));
return (b..e).all(|e| h[e].is_none());
}
fn room_to_hallway_pos(n: usize) -> usize {
return n * 2 + 2;
}
fn get_move_cost(f: &(usize, bool), t: &(usize, bool), r: &Vec<Vec<Amphipod>>,
d: usize, a: &Amphipod) -> u32 {
let s = if f.1 { room_to_hallway_pos(f.0) } else { f.0 } as i32;
let e = if t.1 { room_to_hallway_pos(t.0) } else { t.0 } as i32;
return ((s - e).abs() as u32
+ if f.1 { (d - r[f.0].len()) as u32 + 1 } else { 0 }
+ if t.1 { (d - r[t.0].len()) as u32 } else { 0 })
* 10u32.pow(a.get_target_room() as u32);
}
fn get_next_moves(rs: &Vec<Vec<Amphipod>>, d: usize, h: &Vec<Option<Amphipod>>,
s: &HashSet<(usize, usize)>) -> Vec<Action>{
let f = (0..rs.len()).map(|e| room_to_hallway_pos(e)).collect::<Vec<usize>>();
let mut a = vec![];
for (i, e) in h.iter().enumerate() {
if e.is_none() { continue; }
let e = e.unwrap();
let t = e.get_target_room();
if is_target_room_ready(rs, t, s, d)
&& can_cross_hallway(i, room_to_hallway_pos(t), h) {
return vec![((
(i, false),
(t, true),
get_move_cost(&(i, false), &(t, true), rs, d, &e)
))];
}
}
for (n, r) in rs.iter().enumerate() {
if r.is_empty() { continue; }
let l = r.last().unwrap();
let t = l.get_target_room();
if l.get_target_room() != n
&& is_target_room_ready(rs, t, s, d)
&& can_cross_hallway(room_to_hallway_pos(n), room_to_hallway_pos(t), h) {
return vec![((
(n, true),
(t, true),
get_move_cost(&(n, true), &(t, true), rs, d, &l))
)];
}
if !is_room_full(rs, n, s, d) && !is_target_room_ready(rs, n, s, d) {
for (j, o) in h.iter().enumerate() {
if o.is_some() || f.contains(&j) { continue; }
if can_cross_hallway(room_to_hallway_pos(n), j, h) {
a.push((
(n, true),
(j, false),
get_move_cost(&(n, true), &(j, false), rs, d, &l)));
}
}
}
}
return a;
}
fn apply_action(a: &Action, r: &mut Vec<Vec<Amphipod>>, s: &mut u32,
h: &mut Vec<Option<Amphipod>>) {
*s += a.2;
let o;
if a.0.1 {
o = r[a.0.0].pop().unwrap();
} else {
o = h[a.0.0].unwrap();
h[a.0.0] = None;
}
if a.1.1 {
r[a.1.0].push(o);
} else {
h[a.1.0] = Some(o);
}
}
fn compute_sorting(mut r: Vec<Vec<Amphipod>>, mut h: Vec<Option<Amphipod>>, d: usize,
mut s: u32, b: &mut u32, a: &Action,
c: &mut HashMap<(Vec<Vec<Amphipod>>, Vec<Option<Amphipod>>), u32>) -> Option<u32> {
apply_action(a, &mut r, &mut s, &mut h);
if s >= *c.get(&(r.clone(), h.clone())).unwrap_or(&u32::MAX) { return None; }
c.insert((r.clone(), h.clone()), s);
let n = no_need_to_move(&r);
if n.len() == r.len() * d {
*b = s;
return Some(s);
}
let m = get_next_moves(&r, d, &h, &n);
if m.is_empty() { return None; }
let mut o = None;
for mo in m {
let x = compute_sorting(r.clone(), h.clone(), d, s, b, &mo, c);
if x.is_some() && (o.is_none() || x.unwrap() < o.unwrap()) { o = x; }
}
return o;
}
fn main() {
let args: Vec<String> = env::args().collect();
for arg in args.iter().skip(1) {
let input = read_input(&arg);
let mut vec_in = parse_input(&input);
let (mut s1, mut s2) = (u32::MAX, u32::MAX);
let a = ((0, true), (0, true), 0);
let mut c = HashMap::new();
let h = vec![None; 11];
compute_sorting(vec_in.clone(), h.clone(), 2, 0, &mut s1, &a, &mut c);
expand_input(&mut vec_in);
c.clear();
compute_sorting(vec_in, h, 4, 0, &mut s2, &a, &mut c);
println!("[{}]", &arg);
println!("\t[Part 1] => Answer is '{}'.", s1);
println!("\t[Part 2] => Answer is '{}'.", s2);
}
}

8
day24/Cargo.toml
View File

@ -1,8 +0,0 @@
[package]
name = "day24"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]

252
day24/input
View File

@ -1,252 +0,0 @@
inp w
mul x 0
add x z
mod x 26
div z 1
add x 11
eql x w
eql x 0
mul y 0
add y 25
mul y x
add y 1
mul z y
mul y 0
add y w
add y 1
mul y x
add z y
inp w
mul x 0
add x z
mod x 26
div z 1
add x 10
eql x w
eql x 0
mul y 0
add y 25
mul y x
add y 1
mul z y
mul y 0
add y w
add y 10
mul y x
add z y
inp w
mul x 0
add x z
mod x 26
div z 1
add x 13
eql x w
eql x 0
mul y 0
add y 25
mul y x
add y 1
mul z y
mul y 0
add y w
add y 2
mul y x
add z y
inp w
mul x 0
add x z
mod x 26
div z 26
add x -10
eql x w
eql x 0
mul y 0
add y 25
mul y x
add y 1
mul z y
mul y 0
add y w
add y 5
mul y x
add z y
inp w
mul x 0
add x z
mod x 26
div z 1
add x 11
eql x w
eql x 0
mul y 0
add y 25
mul y x
add y 1
mul z y
mul y 0
add y w
add y 6
mul y x
add z y
inp w
mul x 0
add x z
mod x 26
div z 1
add x 11
eql x w
eql x 0
mul y 0
add y 25
mul y x
add y 1
mul z y
mul y 0
add y w
add y 0
mul y x
add z y
inp w
mul x 0
add x z
mod x 26
div z 1
add x 12
eql x w
eql x 0
mul y 0
add y 25
mul y x
add y 1
mul z y
mul y 0
add y w
add y 16
mul y x
add z y
inp w
mul x 0
add x z
mod x 26
div z 26
add x -11
eql x w
eql x 0
mul y 0
add y 25
mul y x
add y 1
mul z y
mul y 0
add y w
add y 12
mul y x
add z y
inp w
mul x 0
add x z
mod x 26
div z 26
add x -7
eql x w
eql x 0
mul y 0
add y 25
mul y x
add y 1
mul z y
mul y 0
add y w
add y 15
mul y x
add z y
inp w
mul x 0
add x z
mod x 26
div z 1
add x 13
eql x w
eql x 0
mul y 0
add y 25
mul y x
add y 1
mul z y
mul y 0
add y w
add y 7
mul y x
add z y
inp w
mul x 0
add x z
mod x 26
div z 26
add x -13
eql x w
eql x 0
mul y 0
add y 25
mul y x
add y 1
mul z y
mul y 0
add y w
add y 6
mul y x
add z y
inp w
mul x 0
add x z
mod x 26
div z 26
add x 0
eql x w
eql x 0
mul y 0
add y 25
mul y x
add y 1
mul z y
mul y 0
add y w
add y 5
mul y x
add z y
inp w
mul x 0
add x z
mod x 26
div z 26
add x -11
eql x w
eql x 0
mul y 0
add y 25
mul y x
add y 1
mul z y
mul y 0
add y w
add y 6
mul y x
add z y
inp w
mul x 0
add x z
mod x 26
div z 26
add x 0
eql x w
eql x 0
mul y 0
add y 25
mul y x
add y 1
mul z y
mul y 0
add y w
add y 15
mul y x
add z y

55
day24/src/main.rs
View File

@ -1,55 +0,0 @@
use std::{fs, env};
fn read_input(path: &str) -> String {
return fs::read_to_string(path).expect("Cannot read file.");
}
fn parse_input(s: &str) -> Vec<(usize, usize, i32)> {
let mut v = vec![];
let mut p: Vec<(usize, i32)> = vec![];
let mut a = false;
let mut i = 0usize;
for (n, l) in s.lines().enumerate() {
let c = n % (s.lines().count() / 14);
if c == 0 && n != 0 { i += 1; }
let l = l.split_whitespace().collect::<Vec<&str>>();
if c == 4 { a = l[2].parse::<i32>().unwrap() == 1; }
else if c == 5 && !a {
let x = p.pop().unwrap();
let o = x.1 + l[2].parse::<i32>().unwrap();
if o >= 0 { v.push((i, x.0, o)); }
else { v.push((x.0, i, -o)); }
} else if c == 15 && a { p.push((i, l[2].parse::<i32>().unwrap())); }
}
return v;
}
fn get_max(l: &Vec<(usize, usize, i32)>) -> u64 {
let mut x = [0u64; 14];
for i in l {
x[i.0] = 9;
x[i.1] = (9 - i.2) as u64;
}
return x.iter().fold(0, |acc, i| acc * 10 + *i);
}
fn get_min(l: &Vec<(usize, usize, i32)>) -> u64 {
let mut x = [0u64; 14];
for i in l {
x[i.1] = 1;
x[i.0] = (1 + i.2) as u64;
}
return x.iter().fold(0, |acc, i| acc * 10 + *i);
}
fn main() {
let args: Vec<String> = env::args().collect();
for arg in args.iter().skip(1) {
let input = read_input(&arg);
let vec_in = parse_input(&input);
println!("[{}]", &arg);
println!("\t[Part 1] => Answer is '{}'.", get_max(&vec_in));
println!("\t[Part 2] => Answer is '{}'.", get_min(&vec_in));
}
}

8
day25/Cargo.toml
View File

@ -1,8 +0,0 @@
[package]
name = "day25"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]

137
day25/input
View File

@ -1,137 +0,0 @@
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76
day25/src/main.rs
View File

@ -1,76 +0,0 @@
use std::{fs, env, collections::HashSet};
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
enum Direction {
East,
South,
Empty
}
fn read_input(path: &str) -> String {
return fs::read_to_string(path).expect("Cannot read file.");
}
fn parse_input(s: &str) -> Vec<Vec<Direction>> {
let mut f: Vec<Vec<Direction>> = vec![];
for (r, l) in s.lines().enumerate() {
f.push(vec![]);
for c in l.chars() {
f[r].push(match c {
'>' => { Direction::East }
'v' => { Direction::South }
_ => { Direction::Empty }
});
}
}
return f;
}
fn get_next(i: usize, m: usize) -> usize {
if i == m - 1 { return 0; }
return i + 1;
}
fn apply_step(v: &mut Vec<Vec<Direction>>) -> usize {
let mut f = HashSet::new();
let mut o = v.clone();
for r in 0..v.len() {
for c in 0..v[r].len() {
let n = get_next(c, v[r].len());
if v[r][c] != Direction::East { continue; }
if v[r][n] != Direction::Empty { continue; }
if o[r][n] != Direction::Empty { continue; }
if f.contains(&(r, c)) { continue; }
f.insert((r, n));
v[r][n] = Direction::East;
v[r][c] = Direction::Empty;
}
}
o = v.clone();
for r in 0..v.len() {
let n = get_next(r, v.len());
for c in 0..v[r].len() {
if v[r][c] != Direction::South { continue; }
if v[n][c] != Direction::Empty { continue; }
if o[n][c] != Direction::Empty { continue; }
if f.contains(&(r, c)) { continue; }
f.insert((n, c));
v[n][c] = Direction::South;
v[r][c] = Direction::Empty;
}
}
return f.len();
}
fn main() {
let args: Vec<String> = env::args().collect();
for arg in args.iter().skip(1) {
let input = read_input(&arg);
let mut vec_in = parse_input(&input);
let mut i = 1;
while apply_step(&mut vec_in) != 0 { i += 1; }
println!("[{}]", &arg);
println!("\t[Part 1] => Answer is '{}'.", i);
}
}