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Day 05

master
Jan-Lukas Else 7 months ago
parent
commit
7ae38c997f
  1. 500
      05/input.txt
  2. 103
      05/main.go
  3. 17
      05/main_test.go
  4. 10
      05/test.txt

500
05/input.txt

@ -0,0 +1,500 @@
644,38 -> 644,265
941,468 -> 941,89
807,552 -> 618,363
896,510 -> 896,744
227,909 -> 227,745
24,66 -> 946,988
563,529 -> 563,270
894,707 -> 359,172
146,253 -> 146,569
544,683 -> 140,683
755,612 -> 755,463
394,320 -> 891,320
68,616 -> 68,628
801,770 -> 801,942
650,290 -> 580,360
376,18 -> 181,213
285,391 -> 805,911
57,153 -> 501,153
686,301 -> 686,316
81,971 -> 683,369
75,456 -> 75,355
769,59 -> 769,81
49,958 -> 49,718
492,754 -> 492,256
606,133 -> 391,133
134,683 -> 134,656
195,463 -> 658,926
982,498 -> 982,927
841,122 -> 889,74
968,891 -> 968,189
104,941 -> 104,868
801,450 -> 272,979
212,749 -> 212,366
880,928 -> 880,757
503,483 -> 283,263
792,924 -> 792,540
58,87 -> 905,934
275,661 -> 36,422
475,654 -> 466,645
34,946 -> 969,11
725,664 -> 725,150
837,680 -> 837,952
109,987 -> 644,452
860,984 -> 860,691
672,800 -> 107,235
216,888 -> 301,888
399,676 -> 718,357
957,544 -> 784,544
677,743 -> 633,743
491,866 -> 77,452
967,949 -> 45,27
659,699 -> 659,27
987,116 -> 696,116
465,847 -> 309,847
353,19 -> 353,627
265,713 -> 592,386
541,765 -> 461,765
21,409 -> 895,409
950,149 -> 766,149
856,889 -> 895,889
335,962 -> 485,812
425,774 -> 400,749
71,932 -> 989,14
484,974 -> 44,974
86,797 -> 86,470
876,962 -> 876,384
45,631 -> 169,507
161,789 -> 523,427
791,640 -> 791,581
415,170 -> 835,590
299,275 -> 988,964
105,233 -> 231,359
202,226 -> 202,958
814,717 -> 618,521
185,442 -> 559,68
26,149 -> 665,149
673,369 -> 247,795
171,963 -> 171,46
689,801 -> 94,206
619,243 -> 619,637
426,245 -> 660,11
47,503 -> 47,179
341,363 -> 487,217
371,774 -> 371,871
781,794 -> 781,180
391,632 -> 92,632
517,150 -> 517,715
903,10 -> 18,895
34,500 -> 426,500
82,955 -> 886,151
142,297 -> 142,527
60,965 -> 36,965
250,807 -> 372,685
227,393 -> 610,776
269,893 -> 269,556
969,223 -> 611,223
255,92 -> 194,92
220,233 -> 958,233
144,209 -> 144,979
48,413 -> 48,195
209,151 -> 648,590
867,648 -> 871,644
499,555 -> 807,555
571,729 -> 865,435
683,151 -> 485,151
803,26 -> 803,691
533,921 -> 300,688
625,695 -> 483,553
719,370 -> 139,950
981,17 -> 16,982
367,617 -> 367,636
249,644 -> 835,644
260,825 -> 260,519
275,144 -> 275,315
767,314 -> 962,119
76,625 -> 76,166
403,680 -> 313,680
977,21 -> 16,982
578,753 -> 271,753
212,358 -> 477,623
596,220 -> 868,220
67,797 -> 935,797
181,107 -> 181,379
741,332 -> 419,10
732,827 -> 732,989
835,111 -> 436,510
480,328 -> 480,682
327,673 -> 327,70
911,547 -> 833,625
944,509 -> 874,579
169,340 -> 731,902
156,842 -> 825,173
976,40 -> 51,965
199,416 -> 916,416
51,970 -> 792,229
14,577 -> 501,577
246,464 -> 246,289
641,464 -> 100,464
984,11 -> 43,952
548,36 -> 156,428
519,799 -> 519,43
332,364 -> 332,774
85,123 -> 85,753
778,12 -> 40,750
507,56 -> 507,840
973,632 -> 670,632
895,928 -> 37,70
661,784 -> 661,718
114,25 -> 938,849
428,752 -> 428,543
357,270 -> 957,870
27,70 -> 899,942
85,780 -> 747,780
717,565 -> 951,565
191,748 -> 651,748
679,301 -> 679,417
150,266 -> 150,184
774,964 -> 64,254
34,248 -> 34,279
782,610 -> 802,610
109,146 -> 822,859
825,848 -> 825,666
251,718 -> 615,718
912,722 -> 289,722
729,579 -> 729,889
214,756 -> 214,716
58,497 -> 58,927
62,55 -> 742,55
110,429 -> 110,154
55,794 -> 638,794
182,96 -> 676,96
632,334 -> 202,764
36,541 -> 36,397
191,819 -> 191,277
971,491 -> 839,491
849,561 -> 538,250
176,523 -> 10,689
162,638 -> 717,638
132,843 -> 646,329
873,67 -> 873,389
167,631 -> 167,473
49,337 -> 465,337
550,429 -> 438,429
305,720 -> 476,720
547,636 -> 547,902
21,627 -> 49,627
286,70 -> 989,70
87,930 -> 896,121
659,916 -> 200,916
234,589 -> 234,308
530,962 -> 90,962
366,478 -> 676,788
284,520 -> 284,546
580,74 -> 146,508
561,977 -> 561,237
85,150 -> 804,869
740,850 -> 159,269
458,705 -> 458,639
969,563 -> 381,563
139,439 -> 139,263
135,971 -> 908,198
440,632 -> 102,632
446,549 -> 446,734
24,49 -> 212,237
692,882 -> 527,882
156,895 -> 156,239
359,246 -> 359,603
12,349 -> 604,941
375,161 -> 732,161
674,287 -> 322,287
902,957 -> 328,383
352,185 -> 352,766
222,205 -> 222,419
769,815 -> 769,739
83,147 -> 880,147
136,148 -> 136,279
807,241 -> 439,241
464,240 -> 478,254
37,839 -> 646,839
351,316 -> 639,604
449,492 -> 449,125
69,892 -> 933,28
565,161 -> 598,161
147,802 -> 905,44
809,861 -> 38,90
34,80 -> 34,538
896,405 -> 582,405
474,201 -> 893,201
289,64 -> 975,750
378,785 -> 375,782
709,472 -> 357,472
17,14 -> 987,984
625,46 -> 647,46
20,84 -> 914,978
364,811 -> 397,811
395,726 -> 628,726
831,89 -> 593,89
370,562 -> 827,562
278,371 -> 609,40
904,529 -> 391,16
232,829 -> 232,63
927,121 -> 194,854
547,280 -> 547,895
292,904 -> 292,897
99,525 -> 99,868
371,44 -> 643,44
942,74 -> 986,118
708,179 -> 110,179
485,637 -> 713,637
477,512 -> 102,137
636,657 -> 727,657
686,564 -> 256,564
636,169 -> 377,169
627,943 -> 627,703
987,795 -> 987,758
364,827 -> 642,827
613,694 -> 864,945
910,521 -> 777,654
119,394 -> 22,394
594,439 -> 515,360
177,11 -> 177,73
456,628 -> 456,467
246,214 -> 594,562
47,790 -> 47,491
788,21 -> 788,343
136,847 -> 136,543
958,302 -> 733,302
50,981 -> 923,108
298,179 -> 298,921
962,644 -> 93,644
988,671 -> 988,258
646,140 -> 646,852
721,264 -> 721,563
972,407 -> 684,119
245,422 -> 401,422
16,494 -> 16,16
564,72 -> 361,72
436,390 -> 166,120
511,571 -> 241,571
259,215 -> 259,975
648,841 -> 898,841
918,881 -> 438,401
458,561 -> 752,855
791,192 -> 319,192
383,929 -> 217,929
733,26 -> 527,26
620,160 -> 620,734
818,181 -> 61,181
39,21 -> 927,909
952,208 -> 952,749
194,55 -> 304,55
519,673 -> 519,875
730,919 -> 733,919
963,269 -> 933,299
707,112 -> 178,112
924,349 -> 264,349
910,94 -> 96,94
747,289 -> 89,947
164,956 -> 164,655
264,300 -> 753,789
207,672 -> 207,488
243,838 -> 812,269
455,320 -> 425,320
59,964 -> 59,841
350,373 -> 526,549
604,683 -> 604,83
537,281 -> 537,933
737,634 -> 737,28
92,909 -> 725,276
859,335 -> 859,487
605,495 -> 371,495
783,155 -> 783,930
388,591 -> 388,133
374,634 -> 472,634
963,914 -> 64,15
57,435 -> 140,435
759,619 -> 105,619
326,501 -> 326,821
942,136 -> 414,136
490,376 -> 490,260
377,59 -> 377,773
894,169 -> 99,964
350,511 -> 726,511
787,728 -> 787,750
688,11 -> 688,68
107,514 -> 183,514
861,12 -> 22,851
149,49 -> 149,713
826,737 -> 890,737
299,307 -> 299,549
251,648 -> 862,37
898,85 -> 412,85
936,168 -> 845,168
278,677 -> 302,677
493,878 -> 493,133
539,205 -> 539,522
412,495 -> 412,929
334,605 -> 334,817
68,462 -> 462,856
234,134 -> 234,942
293,823 -> 678,823
852,874 -> 158,874
859,612 -> 435,612
10,876 -> 613,273
370,13 -> 118,13
616,774 -> 14,172
193,543 -> 81,543
784,179 -> 14,949
324,533 -> 153,533
15,976 -> 976,15
943,52 -> 20,975
100,34 -> 671,605
140,552 -> 140,27
448,497 -> 186,497
734,355 -> 734,933
544,131 -> 259,131
193,84 -> 663,84
190,949 -> 833,306
430,34 -> 328,34
21,46 -> 483,508
621,202 -> 98,202
196,874 -> 889,181
106,217 -> 850,961
701,891 -> 488,678
21,597 -> 894,597
249,21 -> 249,614
887,808 -> 887,948
255,711 -> 913,53
173,447 -> 173,78
956,224 -> 956,747
513,882 -> 48,417
772,591 -> 930,591
976,98 -> 86,988
264,67 -> 264,931
987,982 -> 48,43
494,514 -> 494,416
867,785 -> 556,474
350,902 -> 257,902
978,977 -> 978,735
312,240 -> 371,240
890,112 -> 890,662
753,327 -> 427,653
83,888 -> 927,44
142,480 -> 12,480
965,39 -> 85,919
158,926 -> 158,801
439,22 -> 439,860
10,26 -> 765,781
775,838 -> 775,732
871,607 -> 871,288
337,850 -> 337,533
89,581 -> 89,582
524,977 -> 524,88
473,283 -> 639,449
23,324 -> 23,372
671,486 -> 278,879
266,98 -> 989,98
51,947 -> 634,947
47,18 -> 47,43
95,239 -> 609,753
953,34 -> 71,916
243,685 -> 243,427
642,537 -> 304,199
545,41 -> 914,41
112,860 -> 112,159
12,12 -> 989,989
622,907 -> 648,907
230,983 -> 230,941
111,868 -> 852,127
315,895 -> 799,411
771,533 -> 584,720
65,492 -> 657,492
820,315 -> 820,627
710,554 -> 829,554
100,967 -> 877,190
530,733 -> 530,202
880,28 -> 83,825
914,448 -> 494,28
886,344 -> 966,344
782,923 -> 857,848
597,632 -> 597,946
366,789 -> 366,96
568,834 -> 187,834
451,687 -> 224,687
123,12 -> 914,803
734,42 -> 526,42
844,116 -> 844,521
744,976 -> 744,792
337,837 -> 617,837
848,139 -> 848,571
853,264 -> 112,264
986,965 -> 92,71
888,892 -> 53,57
150,342 -> 150,516
457,264 -> 796,264
544,595 -> 544,406
243,118 -> 482,357
138,804 -> 138,646
99,80 -> 99,34
442,883 -> 442,165
428,72 -> 428,826
450,815 -> 901,364
852,516 -> 852,384
13,969 -> 972,10
921,50 -> 32,939
969,470 -> 969,539
691,238 -> 763,238
171,733 -> 823,81
722,963 -> 21,262
849,203 -> 849,151
12,99 -> 884,971
903,240 -> 148,240
633,140 -> 633,202
194,393 -> 747,393
748,43 -> 126,665
182,155 -> 182,298
668,814 -> 668,306
619,384 -> 255,384
166,341 -> 795,970
898,870 -> 57,29
976,148 -> 976,244
386,525 -> 662,249
719,67 -> 131,655
419,847 -> 188,847
953,823 -> 743,823
307,299 -> 307,78
948,253 -> 756,253
926,938 -> 46,58
982,618 -> 652,618
539,742 -> 539,177
531,974 -> 531,781
880,922 -> 283,325
707,257 -> 707,673
327,308 -> 930,911
526,170 -> 980,624
445,653 -> 445,986
842,737 -> 754,737
847,982 -> 16,151
137,426 -> 292,271
126,556 -> 50,556
168,766 -> 168,767
152,46 -> 363,46
50,381 -> 760,381
43,943 -> 43,374
45,964 -> 956,53
37,403 -> 576,403
130,317 -> 576,763
882,840 -> 179,137
572,608 -> 572,274
874,977 -> 32,135
794,56 -> 730,120
812,841 -> 812,440
111,66 -> 137,92
255,287 -> 255,787
121,137 -> 121,63
81,811 -> 81,586
303,365 -> 910,972
177,134 -> 962,919
405,41 -> 405,645
219,934 -> 441,934

103
05/main.go

@ -0,0 +1,103 @@
package main
import (
"log"
"os"
"regexp"
"strconv"
"strings"
"github.com/thoas/go-funk"
)
func main() {
inputBytes, _ := os.ReadFile("input.txt")
inputs := strings.Split(string(inputBytes), "\n")
log.Println("Puzzle 1:", puzzle1(inputs))
log.Println("Puzzle 2:", puzzle2(inputs))
}
func puzzle1(input []string) int {
return do(input, false)
}
func puzzle2(input []string) int {
return do(input, true)
}
type lineEnd struct {
x, y int
}
type line struct {
start, end lineEnd
}
func do(input []string, puzzle2 bool) int {
// Parse input into lines of form "x1,y1 -> x2,y2"
lineRegex := regexp.MustCompile(`(\d+),(\d+)\s\->\s(\d+),(\d+)`)
lines := []line{}
for _, inputRow := range input {
lineMatch := lineRegex.FindStringSubmatch(inputRow)
x1, _ := strconv.Atoi(lineMatch[1])
y1, _ := strconv.Atoi(lineMatch[2])
x2, _ := strconv.Atoi(lineMatch[3])
y2, _ := strconv.Atoi(lineMatch[4])
lines = append(lines, line{
start: lineEnd{x1, y1},
end: lineEnd{x2, y2},
})
}
// Get maximum x and y values
maxX, maxY := 0, 0
for _, l := range lines {
if l.start.x > maxX {
maxX = l.start.x
}
if l.start.y > maxY {
maxY = l.start.y
}
if l.end.x > maxX {
maxX = l.end.x
}
if l.end.y > maxY {
maxY = l.end.y
}
}
// Create a 2D array of zeros
diagram := make([][]int, maxY+1)
for i := range diagram {
diagram[i] = make([]int, maxX+1)
}
// For each line, increment the value of the cells it crosses
for _, l := range lines {
if l.start.x == l.end.x || l.start.y == l.end.y {
// Vertical line or horizontal line
for x := funk.MinInt([]int{l.start.x, l.end.x}); x <= funk.MaxInt([]int{l.start.x, l.end.x}); x++ {
for y := funk.MinInt([]int{l.start.y, l.end.y}); y <= funk.MaxInt([]int{l.start.y, l.end.y}); y++ {
diagram[y][x]++
}
}
} else if puzzle2 && (l.start.x-l.end.x == l.start.y-l.end.y || l.start.x-l.end.x == l.end.y-l.start.y) {
// 45-degree diagonal line
xDir := funk.ShortIf(l.start.x > l.end.x, -1, 1).(int)
yDir := funk.ShortIf(l.start.y > l.end.y, -1, 1).(int)
x := l.start.x
for y := l.start.y; y != l.end.y+yDir; y += yDir {
diagram[y][x]++
x += xDir
}
}
}
// Count the number of cells that have more than one line crossing them
count := 0
for _, row := range diagram {
for _, cell := range row {
if cell > 1 {
count++
}
}
}
return count
}

17
05/main_test.go

@ -0,0 +1,17 @@
package main
import (
"os"
"strings"
"testing"
"github.com/stretchr/testify/assert"
)
func Test(t *testing.T) {
inputBytes, _ := os.ReadFile("test.txt")
inputs := strings.Split(string(inputBytes), "\n")
assert.Equal(t, 5, puzzle1(inputs))
assert.Equal(t, 12, puzzle2(inputs))
}

10
05/test.txt

@ -0,0 +1,10 @@
0,9 -> 5,9
8,0 -> 0,8
9,4 -> 3,4
2,2 -> 2,1
7,0 -> 7,4
6,4 -> 2,0
0,9 -> 2,9
3,4 -> 1,4
0,0 -> 8,8
5,5 -> 8,2
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