solve year 2023 day 06 & rewrite number parsing to be generic

solve year 2023 day 05
solve year 2023 day 04
2023-12-06 08:10:19 +01:00 · 2023-12-05 22:55:01 +01:00 · 2023-12-04 06:53:29 +01:00 · 2023-12-04 00:25:09 +01:00 · 2023-12-02 12:21:11 +01:00 · 2023-12-01 07:40:05 +01:00
27 changed files with 4341 additions and 53 deletions
--- a/input/year2022/day03.txt
+++ b/input/year2022/day03.txt
@ -0,0 +1,300 @@
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--- a/input/year2022/day04.txt
+++ b/input/year2022/day04.txt
--- a/input/year2022/day05.txt
+++ b/input/year2022/day05.txt
@ -0,0 +1,512 @@
+[N] [G]                     [Q]    
+[H] [B]         [B] [R]     [H]    
+[S] [N]     [Q] [M] [T]     [Z]    
+[J] [T]     [R] [V] [H]     [R] [S]
+[F] [Q]     [W] [T] [V] [J] [V] [M]
+[W] [P] [V] [S] [F] [B] [Q] [J] [H]
+[T] [R] [Q] [B] [D] [D] [B] [N] [N]
+[D] [H] [L] [N] [N] [M] [D] [D] [B]
+ 1   2   3   4   5   6   7   8   9 
+
+move 3 from 1 to 2
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+move 2 from 5 to 2
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+move 1 from 5 to 4
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+move 2 from 1 to 3
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+move 2 from 2 to 5
+move 1 from 2 to 7
+move 3 from 1 to 7
+move 10 from 8 to 6
+move 4 from 8 to 5
+move 3 from 4 to 3
+move 3 from 3 to 4
+move 1 from 9 to 8
+move 2 from 7 to 2
+move 1 from 2 to 1
+move 4 from 9 to 3
--- a/input/year2023/day01.txt
+++ b/input/year2023/day01.txt
--- a/input/year2023/day02.txt
+++ b/input/year2023/day02.txt
@ -0,0 +1,100 @@
+Game 1: 1 green, 2 blue; 15 blue, 12 red, 2 green; 4 red, 6 blue; 10 blue, 8 red; 3 red, 12 blue; 1 green, 12 red, 8 blue
+Game 2: 5 green, 2 red, 18 blue; 18 blue, 6 red, 9 green; 6 blue, 3 green; 6 green, 1 red, 9 blue; 19 blue, 2 green, 6 red
+Game 3: 16 red, 10 green; 12 red, 6 blue, 9 green; 10 green, 5 blue; 10 green, 16 red; 5 red, 8 green, 8 blue
+Game 4: 9 blue, 20 green; 1 red, 3 blue, 10 green; 7 blue, 18 green; 4 blue, 20 green; 8 blue, 1 green, 1 red; 1 green
+Game 5: 3 green, 8 red; 1 blue, 10 red; 6 red, 4 green; 8 red, 1 blue, 3 green; 1 blue, 4 green, 3 red; 1 green, 1 blue, 4 red
+Game 6: 7 green, 15 red, 11 blue; 2 red, 12 blue; 11 red, 11 green
+Game 7: 14 green, 10 blue, 4 red; 3 red, 11 green, 14 blue; 1 red, 2 green, 11 blue; 9 green, 1 red; 6 red, 6 blue, 9 green
+Game 8: 1 red, 6 green, 3 blue; 4 green; 4 red, 3 green, 1 blue; 2 red, 10 green, 3 blue; 2 green, 6 red, 3 blue
+Game 9: 2 green, 8 red, 3 blue; 2 green, 4 blue, 2 red; 2 green, 5 blue, 2 red
+Game 10: 9 green, 1 blue; 2 blue, 12 green, 3 red; 2 red, 3 blue, 1 green; 3 blue, 8 green; 4 blue, 4 red, 1 green; 5 green, 4 blue
+Game 11: 5 red, 2 blue, 2 green; 3 blue, 2 green, 8 red; 6 red, 1 green
+Game 12: 8 blue, 7 green; 2 green, 2 red, 7 blue; 4 green, 1 red, 20 blue; 5 green, 13 blue, 2 red
+Game 13: 1 blue, 11 green, 13 red; 6 blue, 13 red, 19 green; 5 blue, 6 green, 6 red
+Game 14: 12 blue, 1 red, 15 green; 16 green; 1 red, 18 blue, 15 green; 14 blue; 12 blue, 1 red, 8 green; 4 blue, 16 green
+Game 15: 6 blue, 3 green; 1 red, 1 blue, 2 green; 3 green, 4 blue, 7 red
+Game 16: 17 red, 14 green, 6 blue; 5 blue, 2 red; 1 blue, 11 red, 2 green; 13 green, 12 red
+Game 17: 14 green, 4 red; 1 green, 5 blue, 15 red; 5 green, 14 red, 5 blue
+Game 18: 8 blue, 2 green, 1 red; 12 blue, 1 green; 1 green, 1 red, 5 blue; 1 green, 1 red, 9 blue
+Game 19: 1 red, 2 blue; 2 green, 5 red; 1 blue, 2 green, 11 red; 10 red; 4 green, 11 red
+Game 20: 5 red, 11 green, 5 blue; 2 red, 5 blue, 7 green; 12 blue, 5 green, 10 red; 4 blue, 15 red, 10 green; 11 green, 12 blue, 7 red; 15 red, 12 blue, 5 green
+Game 21: 5 blue, 6 green, 1 red; 18 blue, 13 green; 7 blue, 3 red; 9 blue, 2 red, 14 green
+Game 22: 4 blue, 2 green, 19 red; 11 green, 5 blue, 17 red; 12 red, 4 blue, 13 green; 2 blue, 11 green; 1 blue, 19 red, 10 green; 8 blue, 2 green
+Game 23: 12 green, 6 red; 1 blue, 1 red, 11 green; 1 blue, 3 red, 8 green; 4 green, 8 red
+Game 24: 8 blue, 1 green, 6 red; 6 blue, 9 red; 8 red, 1 green, 1 blue
+Game 25: 2 red, 4 blue, 1 green; 1 blue, 4 red, 2 green; 1 green, 5 blue, 1 red; 3 red, 2 blue
+Game 26: 2 green, 10 blue, 5 red; 14 blue, 6 green, 12 red; 7 green, 2 red, 1 blue; 3 blue, 5 green, 3 red; 7 blue, 1 red, 3 green; 5 red, 2 green, 6 blue
+Game 27: 8 blue, 2 red; 2 green, 8 blue, 6 red; 4 green, 2 red; 2 blue, 4 green, 7 red
+Game 28: 8 green; 1 red, 9 blue, 10 green; 8 green, 9 blue, 2 red
+Game 29: 5 red, 3 green, 2 blue; 12 red, 6 blue, 1 green; 6 red, 12 blue; 2 green, 4 blue, 5 red
+Game 30: 9 red, 1 blue, 2 green; 13 green, 12 blue, 11 red; 11 red, 5 green, 9 blue; 4 blue, 12 green, 3 red; 10 red, 8 green; 2 red, 3 blue, 12 green
+Game 31: 11 green, 5 red; 1 green, 4 red; 6 green, 9 red, 2 blue
+Game 32: 6 blue, 3 red; 2 red, 11 blue, 4 green; 1 green, 4 red, 12 blue; 3 blue, 2 red
+Game 33: 1 green, 7 red; 15 red, 15 green, 1 blue; 15 green, 3 red; 1 blue, 13 green, 6 red; 1 blue, 13 green, 20 red
+Game 34: 3 red, 5 green, 1 blue; 13 green, 5 blue, 2 red; 3 red, 3 blue, 8 green; 3 blue, 1 red, 1 green; 4 blue, 3 red; 9 green, 3 red
+Game 35: 6 blue, 8 green; 6 red, 9 blue, 12 green; 4 green, 3 blue; 5 red, 3 blue
+Game 36: 17 green, 1 red, 1 blue; 1 red, 7 blue, 13 green; 6 blue, 5 green; 9 blue, 6 red, 5 green
+Game 37: 2 green, 16 blue, 1 red; 3 red, 5 blue, 4 green; 3 green, 5 red, 2 blue
+Game 38: 10 red, 3 blue, 1 green; 2 blue, 4 red; 7 red, 1 blue; 8 blue, 5 red, 11 green; 12 green, 4 blue, 8 red
+Game 39: 3 blue, 3 green, 1 red; 5 green, 9 blue; 1 green, 6 blue; 5 blue, 7 green, 1 red; 9 blue, 1 green
+Game 40: 1 blue, 2 red, 2 green; 2 green, 14 blue; 2 red, 6 blue; 13 blue; 2 green, 10 blue
+Game 41: 1 red, 1 blue, 1 green; 11 green, 1 red; 4 green; 5 green; 1 blue, 1 red, 10 green
+Game 42: 4 blue, 3 red, 2 green; 6 red, 1 blue, 6 green; 11 red, 7 blue, 3 green; 6 blue, 7 red, 1 green; 11 red, 1 green, 6 blue; 2 blue, 4 green, 10 red
+Game 43: 3 red, 5 blue; 2 green, 4 red, 3 blue; 7 red, 10 blue, 13 green
+Game 44: 13 green, 5 blue, 3 red; 1 green, 5 blue, 8 red; 11 green, 4 blue, 9 red; 5 blue, 7 green, 9 red
+Game 45: 12 red, 9 blue, 5 green; 9 green, 3 red; 3 green, 11 blue, 15 red
+Game 46: 5 blue, 2 green, 1 red; 1 blue, 3 red, 3 green; 2 green, 7 blue
+Game 47: 8 red, 8 green, 5 blue; 12 blue, 8 green, 7 red; 5 red, 1 blue, 2 green; 1 red, 4 green, 6 blue; 1 red, 3 blue; 5 green, 1 red, 3 blue
+Game 48: 3 blue, 2 red, 5 green; 4 green, 5 blue; 3 blue, 13 green, 5 red
+Game 49: 4 red, 9 blue, 1 green; 12 red, 8 blue; 5 red, 2 blue, 1 green; 11 red, 2 green, 9 blue; 8 red, 9 blue, 3 green
+Game 50: 3 blue, 2 red; 3 blue, 7 green; 4 red, 2 blue, 8 green; 7 green, 2 blue, 4 red; 3 red, 3 green; 6 green, 4 red, 2 blue
+Game 51: 9 blue, 4 red, 2 green; 5 red, 3 green, 3 blue; 5 green, 10 blue, 5 red; 8 red, 11 blue, 5 green; 1 red, 3 blue, 7 green
+Game 52: 1 blue, 9 red, 6 green; 8 red, 1 blue, 4 green; 13 green, 3 blue, 6 red; 3 green, 9 red; 3 blue, 12 green, 7 red
+Game 53: 1 blue, 9 green; 1 red, 2 green; 7 green, 1 red
+Game 54: 3 green, 3 blue, 9 red; 6 blue, 11 green, 1 red; 6 green, 1 red, 4 blue; 4 blue, 2 red, 13 green; 3 green, 1 red; 6 blue, 3 green, 8 red
+Game 55: 1 blue, 6 green; 4 red, 5 green; 8 red, 12 green; 5 red, 1 blue, 7 green; 1 blue, 11 red, 3 green
+Game 56: 1 green, 11 red, 1 blue; 2 green, 8 blue, 3 red; 5 blue, 6 red, 1 green
+Game 57: 5 green, 3 red, 2 blue; 10 green, 12 blue, 16 red; 7 blue, 13 red, 11 green
+Game 58: 5 green, 16 blue, 5 red; 9 blue, 2 green, 5 red; 5 blue, 3 red, 9 green
+Game 59: 2 blue, 2 red; 7 blue, 3 green, 4 red; 2 green, 1 blue
+Game 60: 12 red, 5 green, 1 blue; 2 blue, 12 red, 4 green; 16 red, 4 green, 2 blue
+Game 61: 3 green, 1 blue, 6 red; 4 green, 1 blue, 8 red; 4 red, 1 blue, 1 green; 4 green, 13 red
+Game 62: 2 red, 4 blue; 2 blue, 13 green, 8 red; 4 red, 9 green, 4 blue; 8 green, 3 red, 7 blue; 3 blue, 6 red, 3 green
+Game 63: 1 green, 3 blue; 6 blue, 4 red, 3 green; 3 blue, 1 green, 1 red; 2 green, 2 blue, 3 red; 1 red, 2 blue; 5 red, 6 blue
+Game 64: 7 red, 10 blue, 4 green; 1 green, 18 red, 2 blue; 7 blue, 2 green; 10 red, 1 green, 7 blue; 3 green, 5 blue, 11 red
+Game 65: 11 red, 2 blue; 1 green, 2 blue, 1 red; 3 blue, 2 green, 3 red; 3 blue, 3 red, 7 green
+Game 66: 3 red, 7 blue, 11 green; 10 blue, 4 green, 9 red; 11 blue, 11 red, 12 green; 8 red, 7 blue, 10 green; 5 red, 14 green, 3 blue
+Game 67: 5 green, 1 red; 7 green, 4 blue; 3 red, 1 green, 3 blue
+Game 68: 9 blue, 11 green, 10 red; 12 blue, 3 red, 3 green; 8 red, 7 green, 9 blue
+Game 69: 1 green, 7 blue, 1 red; 1 red, 9 blue; 1 green, 2 red
+Game 70: 9 green, 2 blue, 1 red; 1 red, 2 blue, 16 green; 13 green, 4 blue, 13 red; 8 red, 7 green, 6 blue; 12 green, 3 blue, 3 red
+Game 71: 2 green, 4 red, 6 blue; 11 green, 6 blue, 2 red; 3 green, 1 blue, 5 red; 7 blue, 6 green
+Game 72: 4 blue, 1 green; 4 blue; 1 green, 3 blue; 4 blue; 1 red, 4 blue; 3 blue
+Game 73: 4 red, 1 green, 7 blue; 15 green, 4 blue, 17 red; 19 green, 3 blue, 11 red; 13 green, 5 blue, 1 red; 10 blue, 13 green, 17 red
+Game 74: 9 green, 2 blue, 18 red; 5 red, 8 green; 3 green, 4 blue, 3 red; 5 green, 3 blue
+Game 75: 1 red, 10 blue, 1 green; 2 red, 19 blue; 4 red, 10 blue; 3 red, 7 blue, 1 green; 2 red, 3 blue
+Game 76: 4 green, 9 red, 7 blue; 8 green, 7 blue; 12 green, 9 red
+Game 77: 1 red, 6 blue, 2 green; 8 red, 5 green, 4 blue; 4 blue, 2 red, 3 green
+Game 78: 9 blue, 1 red, 8 green; 2 green, 9 blue; 2 green, 9 blue
+Game 79: 4 blue, 4 green, 1 red; 4 blue, 4 red, 4 green; 4 green, 1 blue, 6 red; 6 green; 6 red
+Game 80: 13 red, 8 blue; 2 green, 14 red, 13 blue; 7 red, 9 blue; 11 red, 18 blue; 2 blue, 3 red, 1 green
+Game 81: 2 green, 9 red, 12 blue; 5 green, 5 red, 13 blue; 5 blue, 5 red; 2 red, 8 blue
+Game 82: 6 red, 15 green; 1 blue, 15 red, 13 green; 6 green, 1 blue, 1 red; 5 red, 6 green, 1 blue
+Game 83: 1 green; 1 blue, 1 green, 10 red; 7 red, 1 blue; 1 green, 11 red; 2 blue, 1 green, 3 red
+Game 84: 17 green, 8 red; 1 blue, 14 green, 2 red; 6 red, 1 blue, 6 green; 4 red, 10 green, 1 blue; 2 red, 2 blue, 1 green; 4 blue, 5 green, 3 red
+Game 85: 5 blue, 3 red; 1 blue, 1 green; 6 green, 1 blue, 1 red; 4 green, 2 blue, 7 red
+Game 86: 7 red, 3 blue, 4 green; 1 blue, 13 red; 3 red, 3 blue, 6 green; 1 blue, 1 green, 17 red; 8 blue, 13 red, 4 green; 6 blue, 4 green, 17 red
+Game 87: 10 red, 3 green, 4 blue; 12 green, 10 red, 3 blue; 2 green, 16 red; 16 red, 3 blue, 14 green; 14 green, 11 red, 1 blue; 9 red, 4 blue, 6 green
+Game 88: 7 green, 4 red, 19 blue; 1 green, 5 red, 18 blue; 19 blue, 3 green, 6 red; 9 green, 14 blue, 5 red; 3 green, 5 red
+Game 89: 4 red, 2 blue, 10 green; 6 blue, 5 red; 3 green, 4 blue, 1 red; 12 green, 2 red, 2 blue; 3 blue, 3 green, 3 red
+Game 90: 1 green, 19 red, 1 blue; 7 blue, 4 green, 10 red; 6 blue, 3 green, 13 red
+Game 91: 1 green, 9 blue; 7 green, 4 red, 3 blue; 6 green, 2 red, 8 blue; 1 red, 1 blue; 3 red, 2 green
+Game 92: 18 red, 2 green, 2 blue; 6 blue, 4 red, 6 green; 3 blue, 10 red; 8 blue, 2 green, 7 red
+Game 93: 13 blue, 3 green, 15 red; 14 red, 2 green, 7 blue; 1 blue, 4 green, 13 red; 19 red, 5 green
+Game 94: 6 blue; 5 green, 8 blue; 1 red, 9 blue; 1 red, 8 blue; 5 green, 6 blue; 1 red
+Game 95: 9 blue, 14 green; 2 green, 1 red, 1 blue; 1 red, 3 green, 2 blue; 6 green, 1 red; 1 red, 8 blue, 14 green; 1 green, 5 blue
+Game 96: 7 blue, 17 green; 19 green, 3 red, 2 blue; 6 green, 2 red, 2 blue; 3 blue, 16 green; 3 red, 20 green; 4 green, 2 blue
+Game 97: 1 green, 1 red, 1 blue; 4 red, 2 blue; 7 red; 6 red; 7 red
+Game 98: 2 red, 15 green; 10 green, 1 red; 1 red, 11 blue, 11 green; 13 blue, 8 green, 2 red; 1 red, 12 green, 7 blue
+Game 99: 14 red, 2 blue, 1 green; 3 green, 13 red, 9 blue; 9 red, 9 blue, 2 green; 13 red, 7 green, 5 blue; 5 blue, 3 green, 11 red
+Game 100: 1 blue, 1 red, 1 green; 8 blue, 1 green; 1 green, 7 blue, 1 red; 1 green, 4 blue, 1 red; 1 green, 3 blue
--- a/input/year2023/day03.txt
+++ b/input/year2023/day03.txt
@ -0,0 +1,140 @@
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--- a/input/year2023/day04.txt
+++ b/input/year2023/day04.txt
@ -0,0 +1,205 @@
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--- a/input/year2023/day05.txt
+++ b/input/year2023/day05.txt
@ -0,0 +1,190 @@
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+2296858771 2280322235 1360663
+3162226157 4125227747 85652641
+1564565599 1911070479 92676796
+3892065886 3691277537 235493442
+3371093523 1848297376 44836629
+1187663862 1437436130 376901737
+1689179378 2755806970 36654827
+2077891817 1238471779 167027368
+2365019138 2792461797 27331413
+2678412296 3953715764 63025182
+2741437478 817683100 420788679
+2461577055 3474442296 216835241
+787129181 3228888925 21340999
+3595972117 3250229924 72640748
+838371810 2829410019 331355578
+3425546961 4085967450 25713425
+1657242395 1405499147 31936983
+3708681589 4210880388 31812673
+1756388124 4111680875 13546872
+1169727388 1893134005 17936474
+2392350551 4016740946 69226504
+808470180 1826926664 21370712
+218943670 379920251 190546399
+214721347 375697928 4222323
+1769934996 1814337867 12588797
+
+water-to-light map:
+3411019791 3038265544 83843899
+1902872961 1862724448 39203216
+3968365807 2753393749 138464731
+1729762115 1614300400 173110846
+3494863690 3122109443 473502117
+423365393 445887946 9248183
+2869853730 3595611560 11542547
+910597576 2054510840 169422772
+609563085 2589844190 163549559
+2522382340 1299215911 3599854
+2525982194 609563085 139503131
+131438599 455136129 141314541
+4106830538 3607154107 188136758
+2106420951 2290083024 299761166
+2406182117 966254850 82053377
+1157660094 1302815765 172746664
+97774358 248386611 33664241
+432613576 282050852 163837094
+2835557666 1794281538 34296064
+1953837775 2043524684 10986156
+1964823931 1901927664 141597020
+2881396277 749066216 217188634
+3404149499 1787411246 6870292
+1330406758 3795290865 240494284
+773112644 4035785149 137484932
+3282452284 4173270081 121697215
+2665485325 3001382926 36882618
+272753140 97774358 150612253
+0 38271406 59502952
+3098584911 1115348538 183867373
+1570901042 2938014447 31884700
+1942076177 1602538802 11761598
+2488235494 1828577602 34146846
+1080020348 2969899147 31483779
+1602785742 1475562429 126976373
+1111504127 2891858480 46155967
+2768517355 1048308227 67040311
+59502952 0 38271406
+2702367943 2223933612 66149412
+
+light-to-temperature map:
+2325040309 318068442 41526915
+3863810956 4139509244 32531846
+3695021342 4093645836 45863408
+3176344157 3053768010 518677185
+2214303174 207331307 110737135
+1166404663 0 207331307
+3896342802 3761428671 206212717
+216675148 359595357 47363132
+4102555519 3967641388 126004448
+264038280 406958489 888098871
+4228559967 3572445195 66407329
+1152137151 1295057360 14267512
+3053768010 3638852524 122576147
+1373735970 1526000020 840567204
+0 1309324872 216675148
+3740884750 4172041090 122926206
+
+temperature-to-humidity map:
+0 1391213880 85308204
+3458067104 3613119976 31521054
+1325453299 1240145095 151068785
+4139914424 3458067104 155052872
+1271510819 1186202615 53942480
+85308204 0 1186202615
+3489588158 3644641030 650326266
+
+humidity-to-location map:
+167312469 2495357077 210182350
+1429747769 3808500825 68802537
+2550869359 1829966489 80945905
+1243007130 3610450429 186740639
+1735537822 990200552 68491638
+2426758858 2125855270 111895863
+1637338839 2027656287 98198983
+3109292740 3306673452 735862
+3647611593 2386885260 96257179
+3910495658 3919394548 32743716
+3860612665 3289982755 16690697
+3743868772 1910912394 116743893
+1498550306 2705539427 138788533
+0 1662654020 167312469
+2631815264 512723076 477477476
+836912419 1370893553 291760467
+2271993218 3307409314 154765640
+4136363029 3910495658 8898890
+377494819 3797191068 11309757
+1804029460 1058692190 209661300
+836150842 3517760656 761577
+3110028602 3518522233 91928196
+2538654721 2483142439 12214638
+687016715 2237751133 149134127
+3201956798 2844327960 445654795
+1128672886 1268353490 102540063
+2057482281 0 214510937
+388804576 214510937 298212139
+1231212949 3505966475 11794181
+2013690760 3462174954 43791521
+3943239374 3952138264 193123655
--- a/input/year2023/day06.txt
+++ b/input/year2023/day06.txt
@ -0,0 +1,2 @@
+Time:        51     92     68     90
+Distance:   222   2031   1126   1225
--- a/src/lib.rs
+++ b/src/lib.rs
@ -14,4 +14,16 @@ pub mod year2016 {
 pub mod year2022 {
    pub mod day01;
    pub mod day02;
+    pub mod day03;
+    pub mod day04;
+    pub mod day05;
+}
+
+pub mod year2023 {
+    pub mod day01;
+    pub mod day02;
+    pub mod day03;
+    pub mod day04;
+    pub mod day05;
+    pub mod day06;
 }
--- a/src/main.rs
+++ b/src/main.rs
@ -12,8 +12,8 @@ struct Solution {
 macro_rules! solution {
    ($year:tt, $day:tt) => {
        Solution {
-            year: (&stringify!($year)).parse_u32(),
-            day: (&stringify!($day)).parse_u32(),
+            year: (&stringify!($year)).parse_unsigned::<u32>(),
+            day: (&stringify!($day)).parse_unsigned::<u32>(),
            input: include_str!(concat![
                "../input/",
                stringify!($year),
@ -38,7 +38,7 @@ macro_rules! solution {
 fn main() {
    let (year, day) = match std::env::args().nth(1) {
        Some(arg) => {
-            let mut split = arg.split("::").map(|s| s.parse_u32());
+            let mut split = arg.split("::").map(|s| s.parse_unsigned());
            (split.next(), split.next())
        }
        None => (None, None),
@ -58,7 +58,7 @@ fn main() {
    } in solutions
    {
        let start = Instant::now();
-        let (aw1, el1,  aw2, el2) = (run)(input);
+        let (aw1, el1, aw2, el2) = (run)(input);
        let elapsed = start.elapsed();
        overall_duration += elapsed;
        println!("{year} Day {day:02} ({elapsed:?})");
@ -69,7 +69,10 @@ fn main() {
 }

 fn solutions() -> impl Iterator<Item = Solution> {
-    std::iter::empty().chain(year2016()).chain(year2022())
+    std::iter::empty()
+        .chain(year2016())
+        .chain(year2022())
+        .chain(year2023())
 }

 fn year2016() -> Vec<Solution> {
@ -84,5 +87,19 @@ fn year2022() -> Vec<Solution> {
    vec![
        solution!(year2022, day01),
        solution!(year2022, day02),
+        solution!(year2022, day03),
+        solution!(year2022, day04),
+        solution!(year2022, day05),
+    ]
+}
+
+fn year2023() -> Vec<Solution> {
+    vec![
+        solution!(year2023, day01),
+        solution!(year2023, day02),
+        solution!(year2023, day03),
+        solution!(year2023, day04),
+        solution!(year2023, day05),
+        solution!(year2023, day06),
    ]
 }
--- a/src/util/index.rs
+++ b/src/util/index.rs
@ -63,6 +63,19 @@ impl Ix2 {
    pub fn linearize(&self, width: usize, height: usize) -> usize {
        self.y() as usize * height + (width - 1)
    }
+
+    pub fn neighbors(&self) -> [Self; 8] {
+        [
+            Dim([self.x() - 1, self.y() - 1]),
+            Dim([self.x(), self.y() - 1]),
+            Dim([self.x() + 1, self.y() - 1]),
+            Dim([self.x() - 1, self.y()]),
+            Dim([self.x() + 1, self.y()]),
+            Dim([self.x() - 1, self.y() + 1]),
+            Dim([self.x(), self.y() + 1]),
+            Dim([self.x() + 1, self.y() + 1]),
+        ]
+    }
 }

 impl From<u8> for Ix2 {
--- a/src/util/parse.rs
+++ b/src/util/parse.rs
@ -1,45 +1,133 @@
+use std::marker::PhantomData;
 use std::str::Bytes;

-pub struct U32s<'a> {
+pub trait IsSigned {}
+
+impl IsSigned for i8 {}
+impl IsSigned for i16 {}
+impl IsSigned for i32 {}
+impl IsSigned for i64 {}
+impl IsSigned for i128 {}
+impl IsSigned for isize {}
+
+pub trait IsUnsigned {}
+
+impl IsUnsigned for u8 {}
+impl IsUnsigned for u16 {}
+impl IsUnsigned for u32 {}
+impl IsUnsigned for u64 {}
+impl IsUnsigned for u128 {}
+impl IsUnsigned for usize {}
+
+pub struct Signed<'a, T = i64>
+where
+    T: Add<Output = T> + Mul<Output = T> + TryFrom<i32> + TryFrom<u8> + IsSigned,
+{
    bytes: Bytes<'a>,
+    _phantom: PhantomData<T>,
 }

-impl<'a> Iterator for U32s<'a> {
-    type Item = u32;
+impl<'a, T> Iterator for Signed<'a, T>
+where
+    T: Add<Output = T> + Mul<Output = T> + TryFrom<i32> + TryFrom<u8> + IsSigned,
+{
+    type Item = T;

    fn next(&mut self) -> Option<Self::Item> {
-        try_parse_u32(&mut self.bytes)
+        try_parse_signed::<T>(&mut self.bytes)
+    }
+}
+
+pub struct Unsigned<'a, T = u64>
+where
+    T: Add<Output = T> + Mul<Output = T> + TryFrom<u8> + IsUnsigned,
+{
+    bytes: Bytes<'a>,
+    _phantom: PhantomData<T>,
+}
+
+impl<'a, T> Iterator for Unsigned<'a, T>
+where
+    T: Add<Output = T> + Mul<Output = T> + TryFrom<u8> + IsUnsigned,
+{
+    type Item = T;
+
+    fn next(&mut self) -> Option<Self::Item> {
+        try_parse_unsigned::<T>(&mut self.bytes)
    }
 }

 pub trait ParseExt {
-    fn parse_u32(&self) -> u32;
+    fn parse_signed<T>(&self) -> T
+    where
+        T: Add<Output = T> + Mul<Output = T> + TryFrom<i32> + TryFrom<u8> + IsSigned;

-    fn u32s(&self) -> U32s<'_>;
+    fn parse_unsigned<T>(&self) -> T
+    where
+        T: Add<Output = T> + Mul<Output = T> + TryFrom<u8> + IsUnsigned;
+
+    fn signed<T>(&self) -> Signed<'_, T>
+    where
+        T: Add<Output = T> + Mul<Output = T> + TryFrom<i32> + TryFrom<u8> + IsSigned;
+
+    fn unsigned<T>(&self) -> Unsigned<'_, T>
+    where
+        T: Add<Output = T> + Mul<Output = T> + TryFrom<u8> + IsUnsigned;
 }

 impl ParseExt for &str {
-    fn parse_u32(&self) -> u32 {
-        match try_parse_u32(&mut self.bytes()) {
-            Some(num) => num,
-            None => panic!("unable to parse u32: {self}"),
+    fn signed<T>(&self) -> Signed<'_, T>
+    where
+        T: Add<Output = T> + Mul<Output = T> + TryFrom<i32> + TryFrom<u8> + IsSigned,
+    {
+        Signed {
+            bytes: self.bytes(),
+            _phantom: PhantomData,
        }
    }

-    fn u32s(&self) -> U32s<'_> {
-        U32s {
+    fn parse_signed<T>(&self) -> T
+    where
+        T: Add<Output = T> + Mul<Output = T> + TryFrom<i32> + TryFrom<u8> + IsSigned,
+    {
+        match try_parse_signed(&mut self.bytes()) {
+            Some(num) => num,
+            None => panic!("unable to parse signed: {self}"),
+        }
+    }
+
+    fn unsigned<T>(&self) -> Unsigned<'_, T>
+    where
+        T: Add<Output = T> + Mul<Output = T> + TryFrom<u8> + IsUnsigned,
+    {
+        Unsigned {
            bytes: self.bytes(),
+            _phantom: PhantomData,
+        }
+    }
+
+    fn parse_unsigned<T>(&self) -> T
+    where
+        T: Add<Output = T> + Mul<Output = T> + TryFrom<u8> + IsUnsigned,
+    {
+        match try_parse_unsigned(&mut self.bytes()) {
+            Some(num) => num,
+            None => panic!("unable to parse signed: {self}"),
        }
    }
 }

-fn try_parse_u32(bytes: &mut Bytes<'_>) -> Option<u32> {
+use std::ops::{Add, Mul};
+fn try_parse_unsigned<T>(bytes: &mut Bytes<'_>) -> Option<T>
+where
+    T: Add<Output = T> + Mul<Output = T> + TryFrom<u8> + IsUnsigned,
+{
    let mut n = loop {
        let byte = bytes.next()?;
        let digit = byte.wrapping_sub(b'0');

        if digit < 10 {
-            break digit as u32;
+            break T::try_from(digit).unwrap_or_else(|_| unreachable!());
        }
    };

@ -50,9 +138,47 @@ fn try_parse_u32(bytes: &mut Bytes<'_>) -> Option<u32> {
        let digit = byte.wrapping_sub(b'0');

        if digit < 10 {
-            n = 10 * n + digit as u32;
+            n = T::try_from(10).unwrap_or_else(|_| unreachable!()) * n
+                + T::try_from(digit).unwrap_or_else(|_| unreachable!());
        } else {
            break Some(n);
        }
    }
 }
+
+fn try_parse_signed<T>(bytes: &mut Bytes<'_>) -> Option<T>
+where
+    T: Add<Output = T> + Mul<Output = T> + TryFrom<i32> + TryFrom<u8> + IsSigned,
+{
+    let mut fac = T::try_from(1i32).unwrap_or_else(|_| unreachable!());
+    let mut n = loop {
+        let byte = bytes.next()?;
+        if byte == b'-' {
+            let byte = bytes.next()?;
+            let digit = byte.wrapping_sub(b'0');
+            if digit < 10 {
+                fac = T::try_from(-1i32).unwrap_or_else(|_| unreachable!());
+                break T::try_from(digit).unwrap_or_else(|_| unreachable!());
+            }
+        }
+        let digit = byte.wrapping_sub(b'0');
+
+        if digit < 10 {
+            break T::try_from(digit).unwrap_or_else(|_| unreachable!());
+        }
+    };
+
+    loop {
+        let Some(byte) = bytes.next() else {
+            break Some(n * fac);
+        };
+        let digit = byte.wrapping_sub(b'0');
+
+        if digit < 10 {
+            n = T::try_from(10).unwrap_or_else(|_| unreachable!()) * n
+                + T::try_from(digit).unwrap_or_else(|_| unreachable!());
+        } else {
+            break Some(n * fac);
+        }
+    }
+}
--- a/src/year2016/day01.rs
+++ b/src/year2016/day01.rs
@ -1,10 +1,10 @@
-use std::collections::HashSet;
+use std::collections::BTreeSet;

 use crate::util::{index::*, parse::ParseExt};

 fn parse(input: &str) -> impl Iterator<Item = (u8, u32)> + '_ {
    let dirs = input.bytes().filter(u8::is_ascii_uppercase);
-    let steps: Vec<_> = input.u32s().collect();
+    let steps: Vec<_> = input.unsigned().collect();

    dirs.zip(steps)
 }
@ -29,7 +29,7 @@ pub fn part1(input: &str) -> impl std::fmt::Display {
 pub fn part2(input: &str) -> impl std::fmt::Display {
    let mut pos = Ix2::ORIGIN;
    let mut dir = Ix2::UP;
-    let mut set = HashSet::new();
+    let mut set = BTreeSet::new();

    for (d, s) in parse(input) {
        dir = if d == b'R' {
--- a/src/year2016/day02.rs
+++ b/src/year2016/day02.rs
@ -50,14 +50,11 @@ pub fn part2(input: &str) -> impl std::fmt::Display {
    #[inline]
    #[rustfmt::skip]
    fn within(coord: &Ix2) -> bool {
-        match coord.0 {
-                              [0, 2] |
+        matches!(coord.0,     [0, 2] |
                     [1, 1] | [1, 2] | [1, 3] |
            [2, 0] | [2, 1] | [2, 2] | [2, 3] | [2, 4] |
                     [3, 1] | [3, 2] | [3, 3] |
-                              [4, 2] => true,
-            _ => false
-        }
+                              [4, 2])
    }

    #[inline]
--- a/src/year2016/day03.rs
+++ b/src/year2016/day03.rs
@ -9,7 +9,7 @@ pub fn part1(input: &str) -> impl std::fmt::Display {
    input
        .lines()
        .map(|s| {
-            s.u32s()
+            s.unsigned()
                // This is faster than `collect().try_into().expect("")`
                // presumably because of the allocation of the Vec
                // and the additional check for the Option for each line
@ -33,9 +33,9 @@ pub fn part2(input: &str) -> impl std::fmt::Display {
    let mut valid = 0;

    while let Some((l1, l2, l3)) = get3(&mut lines) {
-        let l1: Vec<u32> = l1.u32s().collect();
-        let l2: Vec<u32> = l2.u32s().collect();
-        let l3: Vec<u32> = l3.u32s().collect();
+        let l1: Vec<u32> = l1.unsigned().collect();
+        let l2: Vec<u32> = l2.unsigned().collect();
+        let l3: Vec<u32> = l3.unsigned().collect();
        for i in 0..2 {
            if valid_triangle(&[l1[i], l2[i], l3[i]]) {
                valid += 1;
@ -52,5 +52,8 @@ fn test_part1() {

 #[test]
 fn test_part2() {
-    assert_eq!("2", part2("100 200 300\n101 201 301\n102 202 302").to_string());
+    assert_eq!(
+        "2",
+        part2("100 200 300\n101 201 301\n102 202 302").to_string()
+    );
 }
--- a/src/year2022/day01.rs
+++ b/src/year2022/day01.rs
@ -1,7 +1,7 @@
 use crate::util::parse::ParseExt;

 fn calories(input: &str) -> impl Iterator<Item = u32> + '_ {
-    input.split("\n\n").map(|set| set.u32s().sum())
+    input.split("\n\n").map(|set| set.unsigned::<u32>().sum())
 }

 pub fn part1(input: &str) -> impl std::fmt::Display {
@ -16,10 +16,16 @@ pub fn part2(input: &str) -> impl std::fmt::Display {

 #[test]
 fn test_part1() {
-    assert_eq!("24000", part1("1000\n2000\n3000\n\n4000\n\n5000\n6000\n\n7000\n8000\n9000\n\n10000").to_string())
+    assert_eq!(
+        "24000",
+        part1("1000\n2000\n3000\n\n4000\n\n5000\n6000\n\n7000\n8000\n9000\n\n10000").to_string()
+    )
 }

 #[test]
 fn test_part2() {
-    assert_eq!("45000", part2("1000\n2000\n3000\n\n4000\n\n5000\n6000\n\n7000\n8000\n9000\n\n10000").to_string())
+    assert_eq!(
+        "45000",
+        part2("1000\n2000\n3000\n\n4000\n\n5000\n6000\n\n7000\n8000\n9000\n\n10000").to_string()
+    )
 }
--- a/src/year2022/day02.rs
+++ b/src/year2022/day02.rs
@ -1,22 +1,22 @@
 enum Move {
    Rock = 1,
    Paper = 2,
-    Scissors = 3
+    Scissors = 3,
 }

 enum GameResult {
    Loss = 0,
    Draw = 3,
-    Win = 6
+    Win = 6,
 }

 impl From<&str> for Move {
    fn from(value: &str) -> Self {
        match value {
-           "A" | "X" => Self::Rock,
-           "B" | "Y" => Self::Paper,
-           "C" | "Z" => Self::Scissors,
-            _ => unreachable!()
+            "A" | "X" => Self::Rock,
+            "B" | "Y" => Self::Paper,
+            "C" | "Z" => Self::Scissors,
+            _ => unreachable!(),
        }
    }
 }
@ -27,18 +27,21 @@ impl From<&str> for GameResult {
            "X" => Self::Loss,
            "Y" => Self::Draw,
            "Z" => Self::Win,
-            _ => unreachable!()
+            _ => unreachable!(),
        }
    }
 }

 fn calc(input: &str, calc: fn(&str, &str) -> u32) -> u32 {
-    input.lines().map(|l| {
-        let Some((l, r)) = l.split_once(' ') else {
-            unreachable!()
-        };
-        (calc)(l, r)
-    }).sum()
+    input
+        .lines()
+        .map(|l| {
+            let Some((l, r)) = l.split_once(' ') else {
+                unreachable!()
+            };
+            (calc)(l, r)
+        })
+        .sum()
 }

 pub fn part1(input: &str) -> impl std::fmt::Display {
--- a/src/year2022/day03.rs
+++ b/src/year2022/day03.rs
@ -0,0 +1,47 @@
+/// Number of trailing zeros tells us which bit is set and there should only be one set
+/// Do some math to convert to the needed priority
+fn bits_to_priority(b: u64) -> u32 {
+    let trailing = b.trailing_zeros();
+    match trailing {
+        0..=25 => trailing + 27,
+        32..=57 => trailing - 31,
+        _ => unreachable!(""),
+    }
+}
+
+/// For each byte in the string offset it towards 0
+/// to make it fit in u64 and set a bit at the position of its value
+fn to_bits(s: &str) -> u64 {
+    s.bytes().fold(0, |a, v| a | 1 << (v - 65))
+}
+
+pub fn part1(input: &str) -> impl std::fmt::Display {
+    input
+        .lines()
+        .map(|l| l.split_at(l.len() / 2))
+        .map(|(l, r)| bits_to_priority(to_bits(l) & to_bits(r)))
+        .sum::<u32>()
+}
+
+pub fn part2(input: &str) -> impl std::fmt::Display {
+    let mut lines = input.lines();
+    let mut sum = 0;
+
+    while let Some(l1) = lines.next() {
+        let l2 = lines.next().expect("second is guaranteed to be there");
+        let l3 = lines.next().expect("third is guaranteed to be there");
+
+        sum += bits_to_priority(to_bits(l1) & to_bits(l2) & to_bits(l3));
+    }
+    sum
+}
+
+#[test]
+fn test_part1() {
+    assert_eq!("157", part1("vJrwpWtwJgWrhcsFMMfFFhFp\njqHRNqRjqzjGDLGLrsFMfFZSrLrFZsSL\nPmmdzqPrVvPwwTWBwg\nwMqvLMZHhHMvwLHjbvcjnnSBnvTQFn\nttgJtRGJQctTZtZT\nCrZsJsPPZsGzwwsLwLmpwMDw").to_string())
+}
+
+#[test]
+fn test_part2() {
+    assert_eq!("70", part2("vJrwpWtwJgWrhcsFMMfFFhFp\njqHRNqRjqzjGDLGLrsFMfFZSrLrFZsSL\nPmmdzqPrVvPwwTWBwg\nwMqvLMZHhHMvwLHjbvcjnnSBnvTQFn\nttgJtRGJQctTZtZT\nCrZsJsPPZsGzwwsLwLmpwMDw").to_string())
+}
--- a/src/year2022/day04.rs
+++ b/src/year2022/day04.rs
@ -0,0 +1,44 @@
+use crate::util::parse::ParseExt;
+
+fn solve(input: &str, filter: fn(u32, u32, u32, u32) -> bool) -> usize {
+    input
+        .lines()
+        .filter_map(|line| {
+            let mut nums = line.unsigned::<u32>();
+
+            if (filter)(nums.next()?, nums.next()?, nums.next()?, nums.next()?) {
+                Some(())
+            } else {
+                None
+            }
+        })
+        .count()
+}
+
+pub fn part1(input: &str) -> impl std::fmt::Display {
+    solve(input, |s1, e1, s2, e2| {
+        s1 <= s2 && e1 >= e2 || s1 >= s2 && e1 <= e2
+    })
+}
+
+pub fn part2(input: &str) -> impl std::fmt::Display {
+    solve(input, |s1, e1, s2, e2| {
+        s1 >= s2 && s1 <= e2 || s2 >= s1 && s2 <= e1
+    })
+}
+
+#[test]
+fn test_part1() {
+    assert_eq!(
+        "2",
+        part1("2-4,6-8\n2-3,4-5\n5-7,7-9\n2-8,3-7\n6-6,4-6\n2-6,4-8").to_string()
+    )
+}
+
+#[test]
+fn test_part2() {
+    assert_eq!(
+        "4",
+        part2("2-4,6-8\n2-3,4-5\n5-7,7-9\n2-8,3-7\n6-6,4-6\n2-6,4-8").to_string()
+    )
+}
--- a/src/year2022/day05.rs
+++ b/src/year2022/day05.rs
@ -0,0 +1,87 @@
+use crate::util::parse::ParseExt;
+
+fn parse(input: &str) -> Option<(Vec<Vec<char>>, impl Iterator<Item = [u32; 3]> + '_)> {
+    let (board, moveset) = input.split_once("\n\n")?;
+    let size = board.lines().last()?.unsigned::<u32>().count();
+    let mut crates: Vec<Vec<char>> = vec![vec![]; size + 1];
+
+    board.lines().for_each(|line| {
+        if !line.contains('[') {
+            return;
+        }
+
+        line.chars()
+            .enumerate()
+            .filter(|(_idx, c)| c.is_ascii_uppercase())
+            .for_each(|(idx, c)| {
+                crates[((idx + 2) / 4) + 1].push(c);
+            });
+    });
+    for v in crates.iter_mut() {
+        v.reverse();
+    }
+
+    let moves = moveset.lines().filter_map(|line| {
+        let mut nums = line.unsigned();
+        Some([nums.next()?, nums.next()?, nums.next()?])
+    });
+
+    Some((crates, moves))
+}
+
+pub fn part1(input: &str) -> impl std::fmt::Display {
+    let (mut crates, moves) = parse(input).expect("parsing failed");
+    let mut out: Vec<String> = vec![String::new(); crates.len()];
+
+    for m in moves {
+        let mut items = {
+            let mut items = Vec::with_capacity(m[0] as usize);
+            let from: &mut Vec<char> = crates[m[1] as usize].as_mut();
+            for _ in 0..m[0] {
+                items.push(from.pop().expect("AOC please don't hate us"));
+            }
+            items
+        };
+        crates[m[2] as usize].append(&mut items);
+    }
+
+    for v in crates.iter_mut().skip(1) {
+        out.push(v.pop().expect("yes").to_string());
+    }
+
+    out.join("")
+}
+
+pub fn part2(input: &str) -> impl std::fmt::Display {
+    let (mut crates, moves) = parse(input).expect("parsing failed");
+    let mut out: Vec<String> = vec![String::new(); crates.len()];
+
+    for m in moves {
+        let mut items = {
+            let mut items = Vec::with_capacity(m[0] as usize);
+            let from: &mut Vec<char> = crates[m[1] as usize].as_mut();
+            for _ in 0..m[0] {
+                items.push(from.pop().expect("AOC please don't hate us"));
+            }
+            items.reverse();
+            items
+        };
+        crates[m[2] as usize].append(&mut items);
+    }
+
+    for v in crates.iter_mut().skip(1) {
+        out.push(v.pop().expect("yes").to_string());
+    }
+
+    out.join("")
+}
+
+#[test]
+fn test_part1() {
+    assert_eq!("todo", "todo")
+}
+
+#[test]
+fn test_part2() {
+    assert_eq!("todo", "todo")
+}
--- a/src/year2023/day01.rs
+++ b/src/year2023/day01.rs
@ -0,0 +1,59 @@
+static NUMS: &[&str] = &[
+    "one", "two", "three", "four", "five", "six", "seven", "eight", "nine",
+];
+
+pub fn part1(input: &str) -> impl std::fmt::Display {
+    input
+        .lines()
+        .map(|l| {
+            let nums = l
+                .chars()
+                .filter_map(|c| c.is_ascii_digit().then_some(c as u8 - b'0'))
+                .collect::<Vec<_>>();
+            let a = nums.first().unwrap();
+            let b = nums.last().unwrap();
+
+            (a * 10 + b) as u32
+        })
+        .sum::<u32>()
+}
+
+pub fn part2(input: &str) -> impl std::fmt::Display {
+    input
+        .lines()
+        .map(|l| {
+            let mut nums = vec![];
+            for i in 0..l.len() {
+                let first = l[i..i + 1].chars().next().unwrap();
+                if first.is_ascii_digit() {
+                    nums.push((first as u8 - b'0') as u32);
+                }
+                for (j, e) in NUMS.iter().enumerate() {
+                    if l[i..].starts_with(e) {
+                        nums.push(j as u32 + 1);
+                    }
+                }
+            }
+            let a = nums.first().unwrap();
+            let b = nums.last().unwrap();
+
+            a * 10 + b
+        })
+        .sum::<u32>()
+}
+
+#[test]
+fn test_part1() {
+    assert_eq!(
+        "142",
+        part1("1abc2\npqr3stu8vwx\na1b2c3d4e5f\ntreb7uchet").to_string()
+    )
+}
+
+#[test]
+fn test_part2() {
+    assert_eq!(
+        "281",
+        part2("two1nine\neightwothree\nabcone2threexyz\nxtwone3four\n4nineeightseven2\nzoneight234\n7pqrstsixteen").to_string()
+    )
+}
--- a/src/year2023/day02.rs
+++ b/src/year2023/day02.rs
@ -0,0 +1,86 @@
+use crate::util::parse::ParseExt;
+
+pub fn part1(input: &str) -> impl std::fmt::Display {
+    const RED: u32 = 12;
+    const GREEN: u32 = 13;
+    const BLUE: u32 = 14;
+
+    input
+        .lines()
+        .enumerate()
+        .filter_map(|(i, l)| {
+            let (_, cubes) = l.split_once(": ")?;
+
+            for draw in cubes.split("; ") {
+                let mut red = 0;
+                let mut green = 0;
+                let mut blue = 0;
+
+                for b in draw.split(", ") {
+                    let (num, col) = b.split_once(' ')?;
+                    let num = num.parse_unsigned::<u32>();
+                    match col {
+                        "red" => red += num,
+                        "green" => green += num,
+                        "blue" => blue += num,
+                        _ => unreachable!(),
+                    }
+                }
+
+                if red > RED || green > GREEN || blue > BLUE {
+                    return None;
+                }
+            }
+
+            Some(i + 1)
+        })
+        .sum::<usize>()
+}
+
+pub fn part2(input: &str) -> impl std::fmt::Display {
+    input
+        .lines()
+        .filter_map(|l| {
+            let (mut red, mut green, mut blue) = (0, 0, 0);
+            let (_, cubes) = l.split_once(": ")?;
+
+            for draw in cubes.split("; ") {
+                for b in draw.split(", ") {
+                    let (num, col) = b.split_once(' ')?;
+                    let num = num.parse_unsigned::<u32>();
+
+                    match col {
+                        "red" => {
+                            if num > red {
+                                red = num
+                            }
+                        }
+                        "green" => {
+                            if num > green {
+                                green = num
+                            }
+                        }
+                        "blue" => {
+                            if num > blue {
+                                blue = num
+                            }
+                        }
+                        _ => unreachable!(),
+                    }
+                }
+            }
+
+            Some(red * green * blue)
+        })
+        .sum::<u32>()
+}
+
+#[test]
+fn test_part1() {
+    assert_eq!("8", part1("Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green\nGame 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue\nGame 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red\nGame 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red\nGame 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green").to_string())
+}
+
+#[test]
+fn test_part2() {
+    assert_eq!("55593", part2("Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green\nGame 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue\nGame 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red\nGame 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red\nGame 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green").to_string())
+}
--- a/src/year2023/day03.rs
+++ b/src/year2023/day03.rs
@ -0,0 +1,91 @@
+use std::collections::BTreeMap;
+
+use crate::util::index::{Dim, Ix2};
+
+fn parse_nums(input: &str) -> BTreeMap<Dim<[i64; 2]>, u32> {
+    let mut nums = BTreeMap::new();
+
+    for (lnr, line) in input.lines().enumerate() {
+        let mut line = line.chars().enumerate();
+        while let Some((x, c)) = line.next() {
+            if c.is_ascii_digit() {
+                let mut num = (c as u8 - b'0') as u32;
+                let mut end = x;
+                for (idx, c) in line.by_ref() {
+                    if c.is_ascii_digit() {
+                        num = num * 10 + (c as u8 - b'0') as u32;
+                        end = idx;
+                    } else {
+                        break;
+                    }
+                }
+                for x2 in x..=end {
+                    nums.insert(Dim([x2 as i64, lnr as i64]), num);
+                }
+            }
+        }
+    }
+    nums
+}
+pub fn part1(input: &str) -> impl std::fmt::Display {
+    let nums = parse_nums(input);
+
+    input
+        .lines()
+        .enumerate()
+        .flat_map(|(lnr, line)| {
+            line.chars()
+                .enumerate()
+                .filter(|(_, c)| *c != '.' && !c.is_ascii_digit())
+                .map(|(cnr, _)| {
+                    let coord = Ix2::from([cnr as i64, lnr as i64]);
+                    let mut vals = coord
+                        .neighbors()
+                        .iter()
+                        .filter_map(|idx| nums.get(idx))
+                        .collect::<Vec<_>>();
+                    vals.dedup();
+                    vals.into_iter().sum::<u32>()
+                })
+                .collect::<Vec<_>>()
+        })
+        .sum::<u32>()
+}
+
+pub fn part2(input: &str) -> impl std::fmt::Display {
+    let nums = parse_nums(input);
+
+    input
+        .lines()
+        .enumerate()
+        .flat_map(|(lnr, line)| {
+            line.chars()
+                .enumerate()
+                .filter(|(_, c)| *c == '*')
+                .filter_map(|(cnr, _)| {
+                    let coord = Ix2::from([cnr as i64, lnr as i64]);
+                    let mut vals = coord
+                        .neighbors()
+                        .iter()
+                        .filter_map(|idx| nums.get(idx))
+                        .collect::<Vec<_>>();
+                    vals.dedup();
+                    if vals.len() == 2 {
+                        return Some(vals.into_iter().product::<u32>());
+                    };
+                    None
+                })
+                .collect::<Vec<_>>()
+        })
+        .sum::<u32>()
+}
+
+#[test]
+fn test_part1() {
+    assert_eq!("", part1("").to_string())
+}
+
+#[test]
+fn test_part2() {
+    assert_eq!("", part2("").to_string())
+}
--- a/src/year2023/day04.rs
+++ b/src/year2023/day04.rs
@ -0,0 +1,48 @@
+use crate::util::parse::ParseExt;
+
+pub fn part1(input: &str) -> impl std::fmt::Display {
+    input
+        .lines()
+        .map(|line| {
+            let (_, rest) = line.split_once(':').unwrap();
+            let (winning, numbers) = rest.split_once('|').unwrap();
+            let winning = winning.unsigned::<u32>().collect::<Vec<_>>();
+            let numbers = numbers.unsigned::<u32>().filter(|n| winning.contains(n)).count() as u32;
+            (numbers > 0).then(|| 2u32.pow(numbers - 1)).unwrap_or(0)
+        })
+        .sum::<u32>()
+}
+
+pub fn part2(input: &str) -> impl std::fmt::Display {
+    let lines = input.lines().collect::<Vec<_>>();
+    let len = lines.len();
+    let mut mults = vec![1; len];
+
+    lines
+        .iter()
+        .enumerate()
+        .map(|(i, line)| {
+            let (_, rest) = line.split_once(':').unwrap();
+            let (winning, numbers) = rest.split_once('|').unwrap();
+            let winning = winning.unsigned::<u32>().collect::<Vec<_>>();
+            let numbers = numbers.unsigned::<u32>().filter(|n| winning.contains(n)).count();
+            let mul = mults[i];
+            mults
+                .iter_mut()
+                .take((i + numbers + 1).min(len))
+                .skip(i + 1)
+                .for_each(|c| *c += mul);
+            mul
+        })
+        .sum::<u32>()
+}
+
+#[test]
+fn test_part1() {
+    assert_eq!("", part1("").to_string())
+}
+
+#[test]
+fn test_part2() {
+    assert_eq!("", part2("").to_string())
+}
--- a/src/year2023/day05.rs
+++ b/src/year2023/day05.rs
@ -0,0 +1,151 @@
+use crate::util::parse::ParseExt;
+
+#[derive(Debug)]
+struct Map {
+    tuples: Vec<(usize, usize, usize)>,
+}
+
+impl Map {
+    // We divide the seed range up into smaller seed ranges:
+    // 1) seed range before map range
+    // 2) seed range after map range
+    // 3) seed range in map range
+    // for the seed range inside the map range we map it and it to the result array
+    // the before and after seed ranges will be saved for the next map where. apply again
+    // rinse and repeat until the ranges are empty
+    fn calc_range(&self, mut ranges: Vec<(usize, usize)>) -> Vec<(usize, usize)> {
+        let mut mapped = vec![];
+        for (dest, source, l) in &self.tuples {
+            let mut todo = vec![];
+
+            while let Some((range_start, range_end)) = ranges.pop() {
+                let before_range = (range_start, range_end.min(*source));
+                if before_range.1 > before_range.0 {
+                    todo.push(before_range);
+                }
+                let after_range = ((*source + l).max(range_start), range_end);
+                if after_range.1 > after_range.0 {
+                    todo.push(after_range);
+                }
+                let between_range = (range_start.max(*source), (*source + *l).min(range_end));
+                if between_range.1 > between_range.0 {
+                    mapped.push((
+                        between_range.0 - source + dest,
+                        between_range.1 - source + dest,
+                    ));
+                }
+            }
+            ranges = todo;
+        }
+        mapped.extend(ranges);
+        mapped
+    }
+}
+
+fn parse(input: &str) -> (Vec<usize>, Vec<Map>) {
+    let mut chunks = input.split("\n\n");
+    let seeds = chunks
+        .next()
+        .unwrap()
+        .unsigned::<usize>()
+        .collect::<Vec<_>>();
+
+    let maps = chunks
+        .map(|chunk| Map {
+            tuples: chunk
+                .lines()
+                .enumerate()
+                .filter_map(|(idx, line)| {
+                    if idx == 0 {
+                        return None;
+                    }
+                    let mut nums = line.unsigned::<usize>();
+                    Some((nums.next()?, nums.next()?, nums.next()?))
+                })
+                .collect(),
+        })
+        .collect::<Vec<_>>();
+
+    (seeds, maps)
+}
+
+pub fn part1(input: &str) -> impl std::fmt::Display {
+    let (mut seeds, maps) = parse(input);
+
+    for seed in seeds.iter_mut() {
+        for map in &maps {
+            for (dest, source, l) in &map.tuples {
+                // if seed is within range map it in-place else leave it
+                if *seed >= *source && *seed < *source + *l {
+                    *seed = *seed + *dest - *source;
+                    break;
+                }
+            }
+        }
+    }
+    seeds.sort();
+    seeds[0]
+}
+
+pub fn part2(input: &str) -> impl std::fmt::Display {
+    let (seeds, maps) = parse(input);
+    let seeds = seeds.chunks(2).map(|v| (v[0], v[1]));
+
+    let mut res = seeds
+        .map(|(start, end)| {
+            let mut ranges = maps
+                .iter()
+                .fold(vec![(start, start + end)], |acc, map| map.calc_range(acc));
+            ranges.sort();
+            // We want the lowest, so take lower end of range
+            ranges[0].0
+        })
+        .collect::<Vec<_>>();
+    res.sort();
+    res[0]
+}
+
+#[allow(dead_code)]
+static TEST_INPUT: &str = "seeds: 79 14 55 13
+
+seed-to-soil map:
+50 98 2
+52 50 48
+
+soil-to-fertilizer map:
+0 15 37
+37 52 2
+39 0 15
+
+fertilizer-to-water map:
+49 53 8
+0 11 42
+42 0 7
+57 7 4
+
+water-to-light map:
+88 18 7
+18 25 70
+
+light-to-temperature map:
+45 77 23
+81 45 19
+68 64 13
+
+temperature-to-humidity map:
+0 69 1
+1 0 69
+
+humidity-to-location map:
+60 56 37
+56 93 4";
+
+#[test]
+fn test_part1() {
+    assert_eq!("35", part1(TEST_INPUT).to_string())
+}
+
+#[test]
+fn test_part2() {
+    assert_eq!("46", part2(TEST_INPUT).to_string())
+}
--- a/src/year2023/day06.rs
+++ b/src/year2023/day06.rs
@ -0,0 +1,49 @@
+use crate::util::parse::ParseExt;
+
+pub fn part1(input: &str) -> impl std::fmt::Display {
+    let mut lines = input.lines();
+    let times = lines.next().unwrap();
+    let dists = lines.next().unwrap();
+
+    times
+        .signed::<i32>()
+        .zip(dists.signed())
+        .map(|(lim, dist)| {
+            (0..dist)
+                .filter_map(|d| (d * (lim - d) > dist).then_some(1))
+                .sum::<u32>()
+        })
+        .product::<u32>()
+}
+
+pub fn part2(input: &str) -> impl std::fmt::Display {
+    let mut lines = input.lines();
+    let time = lines
+        .next()
+        .unwrap()
+        .chars()
+        .filter(|a| a.is_ascii_digit())
+        .collect::<String>().as_str()
+        .parse_signed::<i128>();
+    let dist = lines
+        .next()
+        .unwrap()
+        .chars()
+        .filter(|a| a.is_ascii_digit())
+        .collect::<String>().as_str()
+        .parse_signed::<i128>();
+
+    (0..time)
+        .filter_map(|d| (d * (time - d) > dist).then_some(1))
+        .sum::<i128>()
+}
+
+#[test]
+fn test_part1() {
+    assert_eq!("", part1("").to_string())
+}
+
+#[test]
+fn test_part2() {
+    assert_eq!("", part2("").to_string())
+}
Author	SHA1	Message	Date
fuckwit	f2506f91ba	solve year 2023 day 06 & rewrite number parsing to be generic	2023-12-06 08:10:19 +01:00
fuckwit	46165b1acb	solve year 2023 day 05	2023-12-05 22:55:01 +01:00
fuckwit	180faf92bb	solve year 2023 day 04	2023-12-04 06:53:29 +01:00
fuckwit	a53a8412dc	solve year 2023 day 03	2023-12-04 00:25:09 +01:00
fuckwit	bae3757f13	solve year 2023 day 02	2023-12-02 12:21:11 +01:00
fuckwit	8ba9b6969a	fix test	2023-12-01 07:40:05 +01:00
fuckwit	7c6209beab	solve year 2023 day 01 and remove Window iterator and cleanup	2023-12-01 07:21:48 +01:00
fuckwit	a1a2023b72	window iterator stub	2023-11-26 23:15:08 +01:00
fuckwit	01f5df4774	Solve year 2022 day 05	2023-11-26 00:29:09 +01:00
fuckwit	11ac320683	start year 2022 day 05	2023-11-25 14:01:58 +01:00
fuckwit	03cbaa117f	Solve year 2022 day 04	2023-11-23 20:50:44 +01:00
fuckwit	ec67927581	fix tests	2023-11-23 19:19:33 +01:00
fuckwit	88e6b352a3	solve and optimize year 2022 day 03	2023-11-23 11:36:32 +01:00
fuckwit	663375d8f8	improve performance of 2016 day 1 part 2 and format fixes	2023-11-23 09:22:23 +01:00
fuckwit	ef042f87db	solve year 2022 day 03 part 1	2023-11-23 09:21:21 +01:00