day 5 part 1
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245
inputs/day5.txt
Normal file
245
inputs/day5.txt
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seeds: 3037945983 743948277 2623786093 391282324 195281306 62641412 769611781 377903357 2392990228 144218002 1179463071 45174621 2129467491 226193957 1994898626 92402726 1555863421 340215202 426882817 207194644
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seed-to-soil map:
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3078006360 2182201339 30483272
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803630304 624445326 165226844
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2393736333 2745251526 281120946
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717936870 789672170 85693434
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598717319 410599330 27984688
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3999095007 2024628810 157572529
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3605588191 3026372472 22322803
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3555659576 2678166775 3396919
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968857148 438584018 1780307
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3216227818 2212684611 87459567
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2302084376 4122083708 91651957
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970637455 0 188112122
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507182228 299146916 40412346
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1372302034 1689624457 202945009
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1370123632 191483770 2178402
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324787204 193662172 105484744
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3116425470 2671328191 6838584
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626702007 875365604 82756204
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1575247043 978774853 317322423
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3134996187 4213735665 81231631
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2024628810 2681563694 63687832
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714565222 188112122 3371648
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547594574 1620884480 51122745
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3529388087 3374604163 26271489
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709458211 973428243 5107011
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2713008276 3985570976 98361735
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2088316642 3048695275 213767734
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3627910994 2300144178 371184013
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2674857279 4083932711 38150997
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1229789645 958121808 15306435
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4156667536 3328662676 45941487
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0 1296097276 324787204
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3108489632 3320726838 7935838
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4202609023 3667512001 92358273
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1352266801 978535254 239599
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1352506400 1672007225 17617232
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1245096080 440364325 107170721
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2811370011 3400875652 266636349
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430271948 547535046 76910280
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1158749577 339559262 71040068
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3559056495 3262463009 46531696
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3123264054 3308994705 11732133
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3303687385 3759870274 225700702
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soil-to-fertilizer map:
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2937874770 2957653952 339980892
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1886469734 2145122669 192293654
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3277855662 822424488 19779182
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2622882196 2393077006 314992574
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3449876679 3769116301 525850995
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583550735 842203670 1302918999
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2145755543 345297835 477126653
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2078763388 2890661797 66992155
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2650514 2708069580 182592217
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0 2337416323 2650514
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530540566 2340066837 53010169
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185242731 0 345297835
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3975727674 3449876679 319239622
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fertilizer-to-water map:
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861477134 5168332 68211907
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136969509 2229711837 29094441
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2823248929 1150509810 118368045
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3678888284 3073610919 53498438
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3948051821 3682691325 96234592
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1302827191 2387840795 504257794
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1198743248 1926818347 104083943
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1807084985 1104177008 46332802
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2143096098 619653304 259805223
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2063436946 2385211148 2629647
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2066066593 445026117 35759449
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358008423 537865723 81787581
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621204445 0 5168332
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2724438904 1861632296 65186051
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1853417787 2258806278 126404870
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3933311080 4141091197 14740741
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851739278 2892098589 9737856
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4044286413 3029323079 44287840
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1979822657 1778018007 83614289
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2101826042 2084781230 3070511
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4088574253 4268409625 26557671
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929689041 111346117 211974050
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3566310597 4155831938 112577687
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439796004 2030902290 53878940
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166063950 1490707297 191944473
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8760514 888219041 128208995
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3794695843 3778925917 57203243
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3029323079 3127109357 409045756
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2792635116 77722143 30613813
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3438368835 4013149435 127941762
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3732386722 3620382204 62309121
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2402901321 1682651770 95366237
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0 879458527 8760514
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493674944 2901836445 39780529
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3851899086 3536155113 81411994
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2498267558 1268877855 221829442
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4117947021 3836129160 177020275
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2789624955 108335956 3010161
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1141663091 480785566 57080157
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2104896553 406826572 38199545
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533455473 1016428036 87748972
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626372777 2087851741 141860096
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2720097000 73380239 4341904
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4115131924 3617567107 2815097
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768232873 323320167 83506405
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water-to-light map:
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3846882465 367033980 98093832
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1878565977 3292746518 62917983
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4255729420 661438934 39237876
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469590509 2191298319 301681796
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381948234 1999013894 87642275
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3688496086 199351627 156562666
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1300818753 2086656169 104642150
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806539912 2798447654 224466318
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1265336919 355914293 11119687
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1405460903 1914042148 28882526
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2577391070 1942924674 56089220
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3680239306 4136990116 8256780
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1941483960 700676810 607954854
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3845058752 3022913972 1823713
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4239658038 1308631664 16071382
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2566162195 4254580741 11228875
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1671792383 3831845903 10462472
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3944976297 3842308375 294681741
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3290662499 3160062910 132683608
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2549438814 1324703046 16723381
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3423346107 1341426427 27108304
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1031006230 3355664501 234330689
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1276456606 4145246896 24362147
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3450454411 54538430 144813197
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1682254855 465127812 196311122
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54538430 1403802338 272790856
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2633480290 2492980115 305467539
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3595267608 4169609043 84971698
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3242064105 3644614138 48598394
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3077581200 4265809616 29157680
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771272305 1368534731 35267607
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1434343429 1676593194 237448954
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327329286 3589995190 54618948
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3106738880 3024737685 135325225
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2938947829 3693212532 138633371
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light-to-temperature map:
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2777813298 2971073270 586210802
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1687968665 0 334152507
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4159107034 3882460035 135860262
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0 2095520416 192800212
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3640671099 3557284072 3145370
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2455782705 3560429442 322030593
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2022121172 1272848785 266199456
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773517036 914869331 357979454
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1131496490 1539048241 556472175
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3364024100 4018320297 60669366
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3643816469 2455782705 515290565
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192800212 334152507 580716824
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3424693466 4078989663 215977633
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temperature-to-humidity map:
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4072523312 605654847 17750681
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1174610018 540191835 65463012
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2038455907 3792024734 100202248
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2539396783 866566556 128459181
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96342672 2296045868 14715058
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3827330744 1522255720 106701221
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3816190028 4081148893 11140716
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1706101724 3892226982 188921911
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3780839952 623405528 35350076
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765616949 1813669629 408993069
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4225769488 3778728770 13295964
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2752105545 1645897858 167771771
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2138658155 1121517092 400738628
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4239065452 4155853973 55901844
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3934031965 96342672 35726394
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3005272654 658755604 22724553
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3989311833 4211755817 83211479
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280430452 3186777866 320785315
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111057730 2310760926 65268270
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176326000 3659551759 104104452
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1895023635 1628956941 16940917
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4093334384 3507563181 132435104
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3027997207 132069066 179421352
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1477400307 311490418 228701417
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2934949875 2225723089 70322779
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601215767 681480157 100836818
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2919877316 3763656211 15072559
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3969758359 3639998285 19553474
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3207418559 2613356473 573421393
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4090273993 2222662698 3060391
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1911964552 995025737 126491355
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2667855964 782316975 84249581
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1240073030 2376029196 237327277
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702052585 4092289609 63564364
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humidity-to-location map:
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2848734682 2982177676 22285660
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3380476660 3717224958 24199873
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3201930685 734568132 100088122
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764851360 4087339561 71173655
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188169313 2953711255 28466421
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3189375901 2832231336 12554784
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3369909102 47909639 10567558
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47909639 3741424831 99762378
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2871020342 58477197 7400020
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3042878026 3409715295 146497875
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1196348942 2734551883 97679453
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3418711171 3387790447 21924848
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1587973141 573552831 65833150
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1121006696 889063447 75342246
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1294028395 567796360 5756471
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3302018807 499906065 67890295
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2915035031 2921050411 32660844
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1982422286 3064299481 301982155
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704786709 4084864539 2475022
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299076626 834656254 54407193
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3623423724 2182055199 207702290
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388851709 2881400789 39649622
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147672017 3592293988 40497296
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2947695875 639385981 95182151
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707261731 3556213170 36080818
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2284404441 2389757489 138657919
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353483819 2146687309 35367890
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2519626540 441189704 58319568
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743342549 3366281636 21508811
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2878420362 2844786120 36614669
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216635734 4212526404 82440892
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3440636019 1235194267 182787705
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2577946108 964405693 270788574
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1453221956 3877915244 70435137
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836025015 1861705628 284981681
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1299784866 499509272 396793
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1859942766 3948350381 122479520
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2423062360 3004463336 59836145
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3404676533 4070829901 14034638
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1399208768 4158513216 54013188
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1300181659 342162595 99027109
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1523657093 3652908910 64316048
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3851243640 1417981972 443723656
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3831126014 3632791284 20117626
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1653806291 2528415408 206136475
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428501331 65877217 276285378
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2482898505 3841187209 36728035
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156
src/bin/day5.rs
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156
src/bin/day5.rs
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#![allow(clippy::let_and_return)]
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#![forbid(elided_lifetimes_in_paths, unsafe_code)]
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use aoc23::read;
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use chumsky::{prelude::*, text::int};
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struct Range {
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source_start: usize,
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target_start: usize,
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len: usize
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}
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struct Map {
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ranges: Vec<Range>
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}
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impl Map {
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fn get(&self, source: usize) -> usize {
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for r in &self.ranges {
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let Some(offset) = source.checked_sub(r.source_start) else {
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continue;
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};
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if offset < r.len {
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return r.target_start + offset;
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}
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}
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source
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}
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fn parser() -> impl Parser<char, Self, Error = Simple<char>> {
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int(10)
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.separated_by(just(" "))
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.exactly(3)
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.then_ignore(just("\n"))
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.repeated()
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.map(|ranges| Self {
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ranges: ranges
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.into_iter()
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.map(|ints: Vec<String>| Range {
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source_start: ints[1].parse().unwrap(),
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target_start: ints[0].parse().unwrap(),
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len: ints[2].parse().unwrap()
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})
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.collect()
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})
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}
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}
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struct Almanac {
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seeds: Vec<usize>,
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seed_to_soil: Map,
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soil_to_fertilizer: Map,
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fertilizer_to_water: Map,
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water_to_light: Map,
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light_to_temperature: Map,
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temperature_to_humidity: Map,
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humidity_to_location: Map
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}
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impl Almanac {
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fn parser() -> impl Parser<char, Self, Error = Simple<char>> {
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fn parse_another_map<'a, P, T>(
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parser: P,
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name: &'a str
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) -> impl Parser<char, (T, Map), Error = Simple<char>> + 'a
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where
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P: Parser<char, T, Error = Simple<char>> + 'a,
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T: 'a
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{
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parser
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.then_ignore(just(name))
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.then_ignore(just(" map:\n"))
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.then(Map::parser())
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}
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let parser = just("seeds: ")
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.ignore_then(int(10).separated_by(just(" ")))
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.map(|ints: Vec<String>| {
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ints.into_iter()
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.map(|int| int.parse().unwrap())
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.collect::<Vec<usize>>()
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})
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.then_ignore(just("\n\n"));
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let parser = parse_another_map(parser, "seed-to-soil").then_ignore(just("\n"));
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let parser =
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parse_another_map(parser, "soil-to-fertilizer").then_ignore(just("\n"));
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let parser =
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parse_another_map(parser, "fertilizer-to-water").then_ignore(just("\n"));
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let parser = parse_another_map(parser, "water-to-light").then_ignore(just("\n"));
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let parser =
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parse_another_map(parser, "light-to-temperature").then_ignore(just("\n"));
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let parser =
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parse_another_map(parser, "temperature-to-humidity").then_ignore(just("\n"));
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let parser = parse_another_map(parser, "humidity-to-location");
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parser.map(
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|(
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(
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(
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(
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(
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((seeds, seed_to_soil), soil_to_fertilizer),
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fertilizer_to_water
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),
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water_to_light
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),
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light_to_temperature
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),
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temperature_to_humidity
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),
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humidity_to_location
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)| {
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Almanac {
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seeds,
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seed_to_soil,
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soil_to_fertilizer,
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fertilizer_to_water,
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water_to_light,
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light_to_temperature,
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temperature_to_humidity,
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humidity_to_location
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}
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}
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)
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}
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}
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fn parser() -> impl Parser<char, Almanac, Error = Simple<char>> {
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Almanac::parser().then_ignore(end())
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}
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fn main() -> anyhow::Result<()> {
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let almanac = read("inputs/day5.txt", parser())?;
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let min_loc = almanac
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.seeds
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.iter()
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.copied()
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.map(|seed| {
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let soil = almanac.seed_to_soil.get(seed);
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let fertilizer = almanac.soil_to_fertilizer.get(soil);
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let water = almanac.fertilizer_to_water.get(fertilizer);
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let light = almanac.water_to_light.get(water);
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let temperature = almanac.light_to_temperature.get(light);
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let humidity = almanac.temperature_to_humidity.get(temperature);
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let location = almanac.humidity_to_location.get(humidity);
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// eprintln!("{seed}, {soil}, {fertilizer}, {water}, {light}, {temperature}, {humidity}, {location}");
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location
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})
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.min()
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.unwrap();
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println!("{min_loc}");
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Ok(())
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}
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Loading…
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