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day 19

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Benjamin Kraft 3 years ago
parent 1c446d4a4a
commit fbeb869f12
3 changed files with 1142 additions and 0 deletions
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  1. 86
      19/19.py
  2. 920
      19/input
  3. 136
      19/testInput

86
19/19.py
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from itertools import combinations
def readInput(fileName):
scanners = []
with open(fileName) as file:
lines = file.read().splitlines()
for line in lines:
if line == "":
continue
if line.startswith("---"):
scanners.append(set())
continue
scanners[len(scanners) - 1].add(tuple(int(value) for value in line.split(",")))
return scanners
Point = tuple[int, int, int]
axes = {(1, 0, 0), (-1, 0, 0), (0, 1, 0), (0, -1, 0), (0, 0, 1), (0, 0, -1)}
def transform(p: Point, up: Point, rotation: int):
new = {
(1, 0, 0): (p[1], p[0], -p[2]),
(-1, 0, 0): (p[1], -p[0], p[2]),
(0, 1, 0): p,
(0, -1, 0): (p[0], -p[1], -p[2]),
(0, 0, 1): (p[1], p[2], p[0]),
(0, 0, -1): (p[1], -p[2], -p[0])
}[up]
return {
0: new,
1: (new[2], new[1], -new[0]),
2: (-new[0], new[1], -new[2]),
3: (-new[2], new[1], new[0])
}[rotation]
def add(p1: Point, p2: Point):
return tuple(val1 + val2 for val1, val2 in zip(p1, p2))
def sub(p1: Point, p2: Point):
return tuple(val1 - val2 for val1, val2 in zip(p1, p2))
def align(beacons1: set[Point], beacons2: set[Point]):
for axis in axes:
for rotation in range(4):
rotatedBeacons2 = set(transform(p, axis, rotation) for p in beacons2)
for b1 in beacons1:
for maybeMatchingInB2 in rotatedBeacons2:
delta = sub(b1, maybeMatchingInB2)
transformedBeacons2 = set(add(p, delta) for p in rotatedBeacons2)
if len(transformedBeacons2.intersection(beacons1)) >= 12:
return transformedBeacons2, delta, axis, rotation
return None
def reduce(scans: list[set[Point]], scanners: list[set[Point]]):
toRemove = set()
for i in range(len(scans) - 1):
for j in range(i + 1, len(scans)):
if j in toRemove:
continue
alignment = align(scans[i], scans[j])
if alignment is not None:
alignedBeacons, translation, up, rotation = alignment
for scan in scanners[j]:
scanners[i].add(add(translation, transform(scan, up, rotation)))
scans[i] |= alignedBeacons
toRemove.add(j)
return [s for i, s in enumerate(scans) if i not in toRemove], [s for i, s in enumerate(scanners) if i not in toRemove]
def solve():
scans = readInput("input")
scanners = [{(0, 0, 0)} for _ in scans]
while len(scans) > 1:
scans, scanners = reduce(scans, scanners)
allBeacons = scans[0]
print(len(allBeacons))
print(max(abs(x1 - x2) + abs(y1 - y2) + abs(z1 - z2) for (x1, y1, z1), (x2, y2, z2) in combinations(scanners[0], 2)))
solve()

920
19/input
Unescape View File

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--- scanner 0 ---
-817,-765,856
443,-709,-511
-658,753,-745
378,506,-625
557,-593,616
-622,-827,819
-611,-838,856
-433,650,563
-586,-856,-622
398,565,499
229,541,474
585,-710,-578
-584,611,490
-796,-861,-671
528,-778,-656
-448,738,509
702,-600,648
-635,590,-725
368,455,500
339,605,-490
288,624,-682
-687,-819,-750
-646,726,-814
-134,-69,143
-4,-120,3
632,-644,504
--- scanner 1 ---
-576,-655,-870
83,71,-65
455,510,-438
-496,-588,-822
-601,-396,364
-752,-444,373
601,-737,495
125,-92,-181
402,514,256
505,551,-412
-407,683,546
-700,501,-622
603,-857,372
-717,-310,415
-409,-628,-813
545,-770,-395
363,354,318
-538,654,501
395,344,337
466,407,-474
-784,586,-567
634,-809,-409
687,-686,-444
606,-670,479
-593,685,436
-752,662,-653
--- scanner 2 ---
-351,-447,608
-522,-602,-725
652,-529,515
839,-608,-778
116,-62,-109
606,504,639
-288,499,737
-219,487,710
-283,528,-835
-455,-744,-726
612,637,-413
646,-520,584
-408,-537,490
-543,-498,589
-411,427,-872
530,514,796
805,-675,-742
-308,476,574
872,621,-400
-362,637,-877
496,468,745
740,489,-416
964,-658,-827
-377,-687,-794
471,-547,543
--- scanner 3 ---
-600,-676,-662
690,-716,598
317,-749,-574
716,563,-791
444,358,756
523,-729,495
47,106,1
-456,-623,-710
-634,789,-520
-625,659,492
-649,745,633
-514,796,-415
496,487,728
340,-665,-745
-548,-726,-667
762,490,-879
-64,40,-123
-576,-661,725
867,555,-818
346,499,705
559,-583,601
305,-766,-626
-584,685,482
-652,-454,737
-455,845,-563
-612,-636,677
--- scanner 4 ---
555,657,454
-681,394,490
-492,305,-497
-707,-820,611
720,-949,377
818,447,-591
-631,473,537
770,492,-727
193,7,-89
-246,-812,-593
-466,321,-586
696,-780,402
637,-890,-779
-659,-811,762
-793,-769,727
467,577,391
755,-800,-722
-366,-689,-591
774,355,-587
656,-839,-587
-433,-705,-596
806,-810,403
417,625,515
109,-153,6
-671,504,536
-457,253,-428
--- scanner 5 ---
492,549,-889
676,-597,352
-552,-915,660
685,-637,439
-521,633,-789
-2,-104,3
-431,515,-846
-102,40,-105
515,386,-909
503,413,-978
290,489,399
733,-570,519
-541,574,335
441,528,326
-511,684,336
272,-416,-691
305,401,345
-501,-829,544
307,-539,-744
258,-455,-602
-482,534,-654
-510,-781,695
-632,-488,-658
-616,-555,-663
-509,-368,-660
-372,598,310
--- scanner 6 ---
514,-446,-382
414,762,-372
-307,640,368
-763,741,-861
-499,-612,393
415,-376,-468
-304,643,449
-518,-643,425
381,743,-590
795,-343,698
-592,-701,-409
-824,855,-903
838,-421,652
-429,629,495
430,-425,-453
858,-439,598
584,691,680
448,619,744
-608,-645,-578
-416,-656,379
52,-36,-100
553,722,676
-37,110,83
-842,751,-763
371,655,-417
-529,-773,-524
--- scanner 7 ---
-687,452,941
-356,789,-401
811,-554,-481
897,-543,-349
594,-328,503
624,844,676
-580,503,809
638,-375,558
-25,138,155
832,839,-318
748,890,-467
-609,402,922
-430,859,-504
802,-497,-426
-521,-476,669
-360,-391,667
-604,-522,-809
-505,-560,-728
-381,795,-329
98,-36,82
590,706,799
-740,-513,-735
-434,-514,604
608,919,748
861,804,-541
689,-335,673
--- scanner 8 ---
-396,443,652
-446,501,582
883,-477,-273
893,965,-608
823,-389,-359
938,922,-715
42,-10,-17
-669,-725,483
-701,-787,591
-373,-699,-453
-744,549,-479
928,822,493
-472,490,571
688,-496,-328
618,-742,726
152,149,23
-556,-654,-489
684,-778,544
-650,-739,456
720,955,-696
-392,-555,-479
674,-732,650
842,921,423
-665,709,-497
-676,599,-652
857,906,472
--- scanner 9 ---
-74,11,-72
-84,-133,86
668,503,-564
539,815,778
522,656,693
-667,720,-632
453,-604,677
677,497,-633
-711,-836,795
-493,463,605
-581,710,-619
-806,-655,798
699,-692,-638
-495,-692,-520
750,-500,-657
589,690,729
510,-526,745
650,322,-592
-671,712,-682
-488,524,641
595,-671,676
660,-557,-539
-587,-688,-476
-455,323,626
-632,-552,-524
-695,-710,809
--- scanner 10 ---
-414,391,538
-875,-448,-650
373,308,473
-949,-584,-641
654,-692,573
-426,393,596
529,-667,-687
-446,273,587
527,-828,-772
-79,-99,-74
640,-697,443
5,43,50
709,558,-396
505,-743,531
-625,-713,705
-830,575,-716
434,346,377
-636,-849,854
-536,-746,797
445,383,382
-830,494,-503
-875,519,-578
464,-754,-649
-868,-683,-603
748,531,-351
801,499,-520
--- scanner 11 ---
421,-382,-811
454,-471,-719
-823,-412,652
413,618,635
-615,517,821
475,808,-587
-659,572,774
-599,-532,-347
583,-795,627
500,683,673
-918,-335,606
484,-714,589
-832,-467,595
424,659,-545
-710,687,814
-641,664,-871
-583,665,-782
-535,632,-812
719,-721,636
318,-482,-868
-461,-512,-436
9,143,51
470,794,-457
-122,11,-24
-384,-464,-361
339,681,758
--- scanner 12 ---
677,-807,-475
-514,-719,780
-723,-601,-559
840,468,-281
-721,-664,-469
682,477,-349
-720,670,653
100,12,-28
541,-759,-520
-448,443,-736
-758,682,618
-333,-691,762
33,-147,98
489,-626,862
677,377,661
-508,-650,789
546,-744,772
675,257,784
-757,803,548
-731,-651,-555
-262,475,-694
681,-645,811
681,-763,-383
672,444,677
771,503,-333
-426,499,-674
--- scanner 13 ---
-473,-566,-801
520,720,876
-523,489,329
-725,-624,671
-687,593,327
830,-456,-396
-423,-636,-859
705,-676,642
901,-477,-480
-499,-555,-812
-474,559,369
-703,668,-703
380,824,858
693,712,-347
157,-9,-102
-771,495,-753
911,731,-380
422,710,797
-764,-781,582
759,-804,563
-791,-790,654
-692,513,-593
815,-407,-381
866,624,-337
874,-732,626
-4,-74,33
--- scanner 14 ---
-534,368,659
-788,-761,-491
-878,-818,-609
-464,512,615
25,-4,112
367,-626,-472
-723,-647,724
-581,-714,725
589,352,-779
387,739,618
567,-608,857
-609,480,608
678,-663,846
-638,-792,793
583,-482,843
420,790,648
-158,-135,147
-768,363,-550
669,415,-691
-113,-39,-22
-798,364,-440
-827,-626,-590
504,-766,-476
300,748,687
-937,338,-526
637,476,-829
459,-630,-428
--- scanner 15 ---
-601,-717,591
471,744,-416
633,-619,-476
-856,501,412
-6,160,45
-762,-665,560
628,-610,-709
-753,490,376
-712,540,350
-146,23,18
-580,-372,-608
406,-672,715
-609,-503,-563
-919,430,-399
620,-737,707
-578,-558,-498
511,-717,723
471,610,828
-677,-749,505
-749,437,-318
445,842,-377
443,406,874
655,-563,-506
-909,398,-380
497,717,-299
384,443,802
--- scanner 16 ---
-801,655,-363
482,-522,-398
602,-354,555
-594,-657,-859
-511,864,386
54,93,4
705,-446,598
-789,690,-401
-866,-353,702
600,817,-607
655,-498,603
-104,15,104
-810,-532,745
728,419,691
532,-518,-390
-922,585,-364
531,826,-613
572,799,-788
545,-432,-400
-584,818,474
644,442,520
-618,-637,-695
-817,-412,850
-576,969,447
-562,-699,-673
745,407,639
--- scanner 17 ---
733,-307,-527
-583,868,-693
667,797,-426
70,174,-81
-450,-610,-736
610,-626,389
816,881,-477
-517,909,-589
-346,864,714
593,910,-512
805,-332,-521
816,705,594
819,479,574
-716,-406,591
-641,-619,-639
-568,-679,-796
704,-660,367
740,-636,400
-398,830,724
-554,879,-786
-745,-392,488
-508,808,760
787,639,555
630,-381,-457
-699,-394,397
-23,29,4
--- scanner 18 ---
-609,-497,-861
-749,-667,561
-719,-467,-860
-524,334,-797
-563,485,-870
562,720,-844
-436,349,-851
-508,414,513
535,777,-677
399,582,254
368,-800,319
-698,-880,543
476,536,349
531,593,340
-626,-805,527
591,-765,290
-74,79,4
794,-457,-652
-623,374,462
517,-851,403
-453,367,557
880,-508,-536
-633,-328,-886
746,-466,-501
602,729,-757
75,-21,-160
--- scanner 19 ---
-817,-615,-560
-807,587,607
-639,-366,727
549,-811,-382
-663,635,554
22,94,40
610,495,-385
849,-559,685
-717,866,-533
-855,-755,-581
470,-784,-333
-715,630,504
686,-483,658
-939,821,-534
436,-724,-339
-729,-368,664
360,479,606
491,471,758
-118,21,-56
-643,-358,677
744,531,-309
-814,950,-496
-822,-554,-596
723,423,-403
797,-516,689
367,603,722
--- scanner 20 ---
-707,534,-290
-488,377,466
-491,574,510
859,-343,-465
615,-893,839
-664,-864,-409
-454,-687,819
-560,-651,673
447,597,-654
526,580,-481
920,-448,-400
-762,583,-427
480,415,695
597,557,-563
466,474,537
-786,524,-307
34,-31,22
-527,495,571
-557,-520,806
-687,-714,-397
786,-870,755
-715,-766,-268
832,-494,-473
667,-905,856
482,423,421
--- scanner 21 ---
438,-512,-856
562,-627,-808
516,577,-789
-549,-597,868
43,5,13
646,636,558
-535,-644,-343
-681,-729,884
184,-95,123
474,-636,449
713,494,559
-477,-560,-368
-677,576,-484
-614,567,542
-730,555,-555
602,-535,412
502,-709,-825
-421,-745,871
-648,500,506
-540,-518,-418
553,-745,407
567,594,-761
568,579,490
-773,550,457
-738,684,-506
559,500,-844
--- scanner 22 ---
139,7,36
597,513,782
846,-774,604
729,-705,-721
-554,-568,688
-265,406,-834
-274,-414,-697
-521,706,469
-576,717,580
488,292,-471
658,549,787
-702,703,564
-418,-616,643
-409,-404,-797
-7,-172,97
105,-155,-83
401,335,-584
696,-736,-832
428,286,-505
653,-732,-884
844,-711,694
854,-724,608
457,534,820
-558,-612,780
-388,520,-774
-413,-528,-688
-473,413,-807
--- scanner 23 ---
-470,462,-472
397,-623,373
874,565,-809
-577,597,-441
825,428,359
807,-769,-685
-558,402,-386
-859,601,431
-401,-666,-586
702,-701,-788
840,443,310
-813,611,537
-333,-687,-584
-68,22,-17
-428,-543,-525
84,-16,-148
460,-723,277
-606,-747,663
-823,667,613
-610,-678,801
671,-705,-757
841,347,-828
-581,-728,769
741,357,380
417,-677,355
884,392,-721
--- scanner 24 ---
-583,-471,-740
695,458,-641
-464,566,-502
363,-388,460
437,-318,563
682,528,583
-601,-258,-689
587,-674,-750
732,500,-773
616,-775,-863
-854,-373,600
388,-382,388
-378,582,-453
-741,-287,526
-394,482,-547
-617,-333,-617
-825,-338,377
47,144,1
-583,694,406
-423,713,374
771,572,-697
-649,733,377
694,-725,-882
-119,51,-90
692,539,453
716,506,489
--- scanner 25 ---
825,-589,-478
-5,-111,11
-756,-672,559
-481,-363,-407
-41,69,169
752,-804,598
-686,849,-763
791,651,-479
-463,-418,-541
-622,-677,458
642,-794,644
654,647,-619
-786,-662,525
841,-615,-389
-459,735,657
-496,796,553
489,432,562
-786,859,-628
-444,859,710
-677,735,-624
893,-580,-320
673,-754,645
569,344,499
699,695,-483
-463,-351,-577
521,294,623
--- scanner 26 ---
-795,-443,-559
-804,-231,881
447,-796,-426
787,552,772
323,-746,-474
-939,-241,781
-692,879,-385
-800,-355,772
534,-231,539
761,681,-643
-740,586,891
-655,-439,-696
-948,579,918
719,720,-763
481,-355,554
-109,74,78
725,489,700
386,-658,-394
377,-294,591
710,651,-676
-637,890,-496
-659,-395,-604
-511,876,-480
-825,693,858
736,637,788
--- scanner 27 ---
649,-535,687
-453,717,-503
-656,483,676
-709,-760,-314
-416,655,-698
30,-136,63
550,-661,-354
-96,6,-70
-798,-651,348
-773,-675,517
615,-658,825
-624,490,821
645,-831,-347
-768,534,751
631,-586,900
-782,-721,-465
-416,728,-492
601,-776,-394
-772,-565,487
625,541,-560
758,567,725
-763,-848,-329
810,450,844
796,555,858
543,479,-582
565,396,-625
--- scanner 28 ---
-730,770,-606
-308,-494,617
716,721,-503
938,683,335
-735,560,-557
550,-782,-727
-802,-262,-939
-477,-478,561
494,-587,528
-693,669,-478
852,710,-414
135,108,-167
887,729,301
-662,-244,-835
-423,-557,689
480,-670,572
879,698,-483
-760,-323,-825
-271,560,417
596,-657,-713
781,693,411
469,-779,-724
526,-568,559
-258,576,677
33,-21,-16
-274,708,545
--- scanner 29 ---
-730,-682,812
582,-864,-690
436,772,-425
644,-964,-631
-719,588,-416
486,-851,510
-871,-700,686
-766,-590,650
-803,643,-501
-487,-549,-382
526,815,855
-68,-180,-10
705,-954,-635
-515,388,673
615,801,894
-428,397,713
668,766,771
73,-15,108
477,-750,560
447,736,-322
-490,-581,-412
-595,340,740
461,-900,431
-771,557,-577
-429,-484,-442
486,798,-466
--- scanner 30 ---
-676,-823,-346
-635,-849,-396
-685,-639,809
520,-325,-262
-411,813,-492
483,-484,816
-524,-608,861
-470,913,-554
-719,498,577
548,-371,-466
-466,903,-615
697,-492,881
-600,-694,893
407,740,-578
-779,-787,-357
569,774,-569
88,28,-12
588,-476,861
520,692,592
461,-397,-299
-659,433,519
-689,530,580
572,819,705
611,788,-568
472,733,727
-64,-55,137
--- scanner 31 ---
-723,642,402
-674,-706,617
600,459,590
737,-568,299
585,426,791
-550,618,-599
-561,-322,-516
688,-618,424
-603,474,-551
-633,-679,792
361,-481,-822
-477,-299,-687
327,-643,-921
537,564,-830
538,342,-785
-500,566,-594
-62,44,-15
652,-551,458
-460,-287,-635
-660,552,404
500,467,-914
-605,-697,611
-673,638,394
271,-657,-843
564,464,651
--- scanner 32 ---
677,-408,-808
-395,369,546
627,-359,-933
622,653,-890
583,859,407
601,582,-837
-623,-342,718
610,-444,-774
-607,-328,592
-648,771,-940
-718,-339,537
541,-460,486
-490,657,-922
677,942,399
-401,501,531
-405,-532,-581
-400,-496,-642
683,-461,553
600,887,356
-367,-511,-441
598,-392,408
493,604,-898
-432,436,684
-18,89,12
-580,632,-900

136
19/testInput
Unescape View File

@ -0,0 +1,136 @@
--- scanner 0 ---
404,-588,-901
528,-643,409
-838,591,734
390,-675,-793
-537,-823,-458
-485,-357,347
-345,-311,381
-661,-816,-575
-876,649,763
-618,-824,-621
553,345,-567
474,580,667
-447,-329,318
-584,868,-557
544,-627,-890
564,392,-477
455,729,728
-892,524,684
-689,845,-530
423,-701,434
7,-33,-71
630,319,-379
443,580,662
-789,900,-551
459,-707,401
--- scanner 1 ---
686,422,578
605,423,415
515,917,-361
-336,658,858
95,138,22
-476,619,847
-340,-569,-846
567,-361,727
-460,603,-452
669,-402,600
729,430,532
-500,-761,534
-322,571,750
-466,-666,-811
-429,-592,574
-355,545,-477
703,-491,-529
-328,-685,520
413,935,-424
-391,539,-444
586,-435,557
-364,-763,-893
807,-499,-711
755,-354,-619
553,889,-390
--- scanner 2 ---
649,640,665
682,-795,504
-784,533,-524
-644,584,-595
-588,-843,648
-30,6,44
-674,560,763
500,723,-460
609,671,-379
-555,-800,653
-675,-892,-343
697,-426,-610
578,704,681
493,664,-388
-671,-858,530
-667,343,800
571,-461,-707
-138,-166,112
-889,563,-600
646,-828,498
640,759,510
-630,509,768
-681,-892,-333
673,-379,-804
-742,-814,-386
577,-820,562
--- scanner 3 ---
-589,542,597
605,-692,669
-500,565,-823
-660,373,557
-458,-679,-417
-488,449,543
-626,468,-788
338,-750,-386
528,-832,-391
562,-778,733
-938,-730,414
543,643,-506
-524,371,-870
407,773,750
-104,29,83
378,-903,-323
-778,-728,485
426,699,580
-438,-605,-362
-469,-447,-387
509,732,623
647,635,-688
-868,-804,481
614,-800,639
595,780,-596
--- scanner 4 ---
727,592,562
-293,-554,779
441,611,-461
-714,465,-776
-743,427,-804
-660,-479,-426
832,-632,460
927,-485,-438
408,393,-506
466,436,-512
110,16,151
-258,-428,682
-393,719,612
-211,-452,876
808,-476,-593
-575,615,604
-485,667,467
-680,325,-822
-627,-443,-432
872,-547,-609
833,512,582
807,604,487
839,-516,451
891,-625,532
-652,-548,-490
30,-46,-14
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