stuff

2024/day12/Cargo.toml

@@ -0,0 +1,16 @@
+[package]
+name = "day12"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+nom.workspace = true
+helper.workspace = true
+divan.workspace = true
+rustc-hash = "2.1.0"
+
+[[bench]]
+name = "benches"
+harness = false

2024/day12/benches/benches.rs

@@ -0,0 +1,3 @@
+fn main() {
+    day12::bench();
+}

2024/day12/input.txt

@@ -0,0 +1,140 @@
+UUUKKKKZZZZZZEEEEEEEEEEEEEEEOOOOOOOOOOOOOOHHHHYYYYYYYYYYYYYEYYOOMNNMUUUUUUUUUYGYYYYYGGGGGZSSSSSSSSOOOOOOOOOOOOOOOODDDDDDDDDDAAAAAAJJJJJJJJJJ
+UUKKKKKZZZZZZEEEEEEEEEEEEEEEOOOOOOOOOOOOOOOHHHYYYYYYYYYYYYYYYYOOMMMMUUUUUUUUUYYYYYYYGGGGZZZSSSSSSSOOOOOOOOOOOOOOOWDDDDDDDDDAAAAAAAJJJJJJJJJJ
+UUKKKKKKKZZZZZEEEEEJEEEEEEEOOOOOOOOOOOOOOOHHYYYYYYYYYYYYYYYYYYMMMMMMMUUUUUUUUYYYYYYYYZZZZZZZSSSSSSOOOOOOOOOOOOOOODDDDDDDDDAAAAAAAHJJJHJJJJJJ
+UUKKKKKKKKKZZZEEEEJJEEEETTEOOOOOOOOOOOOOOOHHYYYYYYYYYYYYYYYKYYYMMMMMUUUUUUUUUUUYYYYYYDDZZZZZZSSSSSOCOOOOOOOOOOOOOTDDFFFDDUAAAAAAHHHJHHJJJJJJ
+KKKKKKKKKKKKZEEEEEJEEJEETTTOOOOOOOOOOOOPORYHYYYYYYYYYYYYYQKKKKMMMMMMMUUUUUUUUUUYYYYYDDZZZZZZZZSSOOOOOOOOOOOOOOOOOODDFFFFAAAAAAAHHHHJHHHJJJJJ
+KKKKKKKKKKKKZZEEEJJJJJJJTTTOOOOOOOOOOOPPPYYYYYYYYYYYYYKYUKKKKMMMMMMMMMUDDDUDDDDDDDYDDZZZZZZZZZSSOOOOKOOOOOOOFOOOOOOFFFFFAAAAAHHHHHHHHHJJJJJJ
+KKKKKKKKKKZZZZEEEEJJJJJJTTTOOOOOOOOOOOOPPPPPPPPPYYYYYYKKKKKKXXMMMMMMMMUDDDDDDDDDDDDDDZZZZZZZZSSSSOOOOOOOOOOOFOOOOOFFFFFAAGAAHHHHHHHHHHHJJJJJ
+NNKKKKKKKZZZZZEEZJJJJJJJJTOOOOOOOOOOOOOPPPPPPPPPPPYYYKKKKKKKKMMMMMMMMMUDDDDDDDDDDDDNZZJJJZZZZZZZZOOOOOTTOOOOFFFAOOFFFFFAGGGAGHHHHHHHHHJJJJJJ
+NNKKKKKKYZZZZZZZZJJJJJJJJJJOOOOOOOOOGGXPPPPPPPPPPYYYYKKKKKKKMMMMMMMMMUUDDDDDDDDDDDMMMMJJJZZZZOOOOOOOOOETOOFFFFFFFFFFFFVVVGGGGHHHHHHHHHHHJJJJ
+NNNNKKKKYZZZZZZZJJJJJJJJJJJMDDOOOOOOOXXPPPPPPPPPPPPPYYKKKKKKKOMMMMMMMUUDDDDDDDDDDDDMMMMJJZZOOOOOOOOODDTTTTTFFFFFFFFFFFVVGGGGHHHHHHHHHJJJJJJJ
+NNNNNNKYYYZYZZZJJJJJJJJJJJMMMDDOODXXXXXXPPPPPPPKKKKKKKKKKKKGGGMMMMMMUUDDDDDDDDDDDDDMMMQQJJZOOOOOOOOONDTTTTTTFFFFFFFFFFVVGGGGHHGHHHHJJJJJJJJJ
+NNNNNNNYYYYYZZZZZJJJJJJJJJMMDDDDDDXXXXXXXXPPPPPKKKKKKKKKKKGGGGUMUUUMUUUDDDDDDDDDDDDBBBQQAAAAOOOOOONNNDDTTTTTFFFFFFFFFNNNNNNNNGGGHKHJJJJJJJJJ
+NNNNNNYYYYYYYZZZJJJJJJJJJJMDDDDDDDXXXXXXXXXXXPPKKKKKKKKKKKKUGUUUUUUUUDDDDDCCDDCCDCDBBQQQAAAAQQOONNNNNDDTTTDTFFFFFNNNNNNNNNNNNGGGGYHYJYYJJJYY
+NNNNNNYYYYYYZZYZZJJJJJJJJJDDDDDDDDDDXXXXXXXXXXXKKKKKKKKKKKKUUUUUUUUUDDDDDCCCCCCCCCCQQQQQAAAAAAONNNNNNDDTDDDDFFFFNNNNNNNNNNNNNGGGGYNYYYYYYYYY
+NNNNNYYYYYYYYYYYJJJJJJJJJDDDDDDDDDDQXXXXXXXXXXXXKKKKKKKKKKKKKUUUUUUUUDDDDDCCCCCCCCCCCQQQAAAAAAOONNNNNDDDDDDDDDDFNNNNNNNNNNNNNGGGGYNYYYYYYYYY
+NNNNYYYYYYYYYYSYYJJJJDDDDDDDDDDDDDDQQXXXXXXXXXXXXXKKKKKKKKKKUUUUUUUUUTTTTCCCCCCCCCCCCQQQQQQAAAQOONNNDDDDDDDDDDDDNNNNNNNNNNNNNGGGYYNNYYYYYYYY
+NNNNNNYYYYYYYYYYYJJJJJJDDDDDDDDDDDDQQXXXXXXXXXXXXKKKKKKKKKKKKMLLLLULLLTCCCCCCCCCCCCCCCQQQQQAAAQQOONNDDDDDDDEDDDDNNNNNNNNNNNNNGGGYYYYYYYYYYYY
+NNNNNYYYYYYYYYYYYJJJJJDDDDDDDDDDIIDQXXXXXXXXXXXXXKKDKKKUKKKKKMMMLLLLLLLCCUUUUCCCCCCQQQQQQQQAAAQOOOONNDDDEEEEEDNNNNNNNNNNNNNNNGGGYYYMYYYYYYYY
+NNNNNYYYYYYYYYYYYJJJDDDDDDDDDDDDDDDDXXXXXXXXXXXXXDDDDKKKKKKKKEEELLLLLLLLELCCCCCQCCCCQQQQQQQQZZZOODDDDDDEEEEEEXNNNNNNNNNNNNNNNSGGYYMMYYYYYYYY
+NNNNNNYYYYYYYYYYYYZZZZDDDDDDDDDDDDDDDXFFXXXFFXFXXFFFDKKKEEEEKEEELLLLLLLLLLJJJJCCCCCCQQQQQQQQZZZZDDDDDDEEEEEEEENNNNNNNNNNXXXGGSSSSMMYYYYYYYYY
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+NNNNNNNNYYTTHHHHHHHHZZZZSSZZZDPBBBBBBBFFFFFFFFFFFFKKEEEEEEEEEEEEEEEELLLLJJJJJJJJQQZZZQQQQQZZZZZZZZZZLLLLLLLLEYNNNNNNNNNNNNSSSSSSSMMYYYYYYYYY
+NNNNNNNNNNTTHHHHHHHZHZZZSSSSZDPBBBBBBBAAFFFFFFFFFFFFEEEEBBEBBEEEEEEELLLLLJJJJJJZZZZZQQQQQQQZZZZZZZZZLLLLLLRLEYNNNNNNNNNNNNASSSSSSMMMYAYYYYYS
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+LNNNNNNWWWNWHHHHHHHHHHHHHSSSSPPPBBJBOBBBMFFFMMMMFFIIIEEEBBBBBBBBBBLLLLJJJJJJJZZZZZZZZZZZHHHZZZZZZZZZLLLLYYYYYYYYQQQQQQQQQQQSSSSSSSGSSSSSSYSS
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+LLLLLWWWWNWWWWSHHHHHHSSSSSKBKKKKKKJJMMMMMMMMMMMMMMMMMXBBBBBBBJJBBBBFBAATTDDTTZZZZZZZZZZUUUUQQQVVYYYYYYYYYYYYYYYYQQQQQQQQSSQSTTSSSSSSSSSSSSSS
+LLLLLLWWWNNWNSSSHSHSSSSSSSKKKKKKKDMMMMMMMMMMMMMMXXXXXXXBBXBBJJJBBBBBBTTTTTTTTZZZZZZZZUUUUUUUUQVYYYYYYYYYYYYYYYYYQQQQQQQQQQQQFTSSSSSSSSSSSSSS
+LLLLLLWWWNNNNSSSSSSSSSSSKKKKKKKKKKMZZMMMMMMMMMMMXXXXXXXXXXBJJJBBBBBBYTTTTTTTTVZZZNZZZUUUUUUUUVVVVYYYYYYYYYNYYYNSSSQQQQQQQQQFFTFSSSSSSSSSSSSS
+LXXGWWWWNNNNNSSSSSSSSSSSKKKKKKKPFOFFZZMMMMMMMMMMMXXXXXXXXXBBBBBBBBYYYTTTTTTTVVNZNNNZZZUUUUUUUVVVYYYYYYYYYYNNNNNNSSQQQQQQFQFFFFFSSSSSSSSSSSSS
+XXXGWWWNNNNNNNNSSSSSSSSSKKKKSFFFFFFFFFMMMMMMMMMMMMXXXXXXXXBBBBBBCBFYTTTTTTDDNNNNNNJZZZIUUUUUUWWWHYYYYYYYNNNNNNNNNSSQQGQFFFFFFFFSSSSFSSSSSSSS
+AXXGWWWWYYNNNNNNSSSSSZSSKSKSSSFFFFFFFFMMMMMMMMMMMXXXXXXXFFFFFFFBFFFTTTTTTTNDNNNNNNJJZZUUUUUUWWWWWWYYYYYYNNNNNNNNNQQQQGQQQQFFFFFSSSSFSSSSSSSS
+AXGGGSSYYYNNNNNNNSSSSZZSSSSSSFFFFFFFFFFMMMMUMMMMMMNXXXXFKFFFFFFFFFFPTTTTTTNNNNNNNJJJZJUUUUUWWWWWWWYYYYYNNNNNNNNNNQQQQQQQQQQQFFFFSSSFFSSSSSUU
+SSSSSSTNNNNNNNZNNZSSSZZSSSSSSFFFFFFFFFFFMMUUAANNMNNFFFXFFFFFFFFFFFFTTTTNNNNNNNNNJJJJJJUQUUUMMWWWWWWWWYYNNNNNNNQQNNNQQQQQQQQQQQFFFFUUFSUSUUUU
+SSSSSSTNNNNNNNZNNZZZZZZZSSSFFFFFFFFFFFFFMUUUAANNNNTFFFFFFFFFFFFFFFFQQTTTQNNNNNNNJJJJJJJMMMMMMMWWWWWWWYFNNNNNNNNQQQQQQQQQQQQQQQFFFFUUUFUUUUUU
+SSSSSNNNNNNNNNZNNZZZZZZZSSSFFFFFFFFFFWFFMUUUUAAAAATTTFFFFFFFFFFFFFFQQQQQQQQQQQNNJJJJJQQMMMMMMMWWWWWWWFFFYNNNNNNQFQQQQQQQQQQQQQQFFFFUUUUUUUUU
+PSSSSSSNNNNNNNZZNZZZZZZZZZSFFFFFFFFFFFFFFUUUUUAAAATTTZZZFFFFFFFFFFFFQQQQQQQQQNNJJJJQQQMMMMMMMMWWWWWFWWFFYNNNNNNFFQQQQQQQQQQQQQFFFUUUUUUUUUUU
+SSSSSNNNNNNNNNNZZZZZZZZZZRRFFFFFFFFFUFFFFUUUUAAAATTTTZZZZFFFFFFFFFFFQQQQQQQQQWNNJJJQQQMMMMMMMMWWWWWFWWWFNNNNFFFFFQFFFQQQQQQQFFFUUUUUUUUUUUUU
+SSSSSSNNCCCCCCCCCCZZZZZZRRFFFFFFFFFFUUUUUUUUUAAAATTTTZZZZFFFFFFFFFFFQQQQQQQQQJJOOOOOOOMMMMMMMMWWWWWFFFFFNNFFFFFFFFFFFQQQQQQQQFFFUUUUUUUUUUUU
+SSSSSSSFCCCCCCCCCCCZZZZZRRFFFFFFFFFFUUUUUUUUUAAATTTTTTZZZFFFFFFFFFQQQQQQQQQRJJJOOOOOOOJMMLLLMMMMMWFFFFFFFNFFFFFFFFFFGFFUCQQAQFHFUUUUUUUUUUUU
+SSSSSSSSCCCCCCCCCCCZZZZZRRFFFFFFFFFFUUUUUUUUUAAAAZZTZZZZZFFFFFFFQQQQQXQQJJJJJJJOOOOOOOJLLLOOOOLMMWWJFFFFFFFFFFFFFFFFFFUUCCQAAHHHUUUUUUUUUUUU
+ESSSSSSECCCCCCCCCCCZZZZZRFFFFFFFRFFUUUUUUUUUUAAAAAZZZVVVVFFFAFFFFQQQQXQQQJJJJJJOOOOOOOLLLLOOOOLMMJJJFFFFFFFFFFFFFFFFFUUUCCCHAAHHUUUUUUUUUUUU
+EESSSCCCCCCCCCCCCCCZZZZRRRRRFFRFRRFUUUUUUUUUUUAAAUZZZVVVVVVFFVVVFQQQXXXQQQAJJJJOOOOOOOLLLLOOOOLMMJJJJJFFFFFFFFFFXFFFFUUUHHHHHHHHHHCUHUHUUUUU
+EEEEECCCCCCCCCCCCCCZRRRRRRRRFFRRRRRUUUUUUUUUUUUUUUZZXXXVVVVVVVVVVQQQQXXXQQQQQTTOOOOOOOLLLNOOOOJJJJJJJJJFFFFFFMMFFFFFFUUUHHHHHHHHHHHHHHHHHUUU
+CCCCCCCCCCCCCCCCCCCZRRRRRRRRFFRRRUUUUUUUUUUUUUUUUZZZXXXXXVVVVVVVVVVQXXXXQQQQQTTOOOOOOOLENNOOOOZZZJJJJJFFFFFFFMMFFFFFFUUUHHHHHHHHHHHHHHHHUUUU
+CCCCCCCCCCCEECCCCCCZRRRRRRRRRRRRRRUUUUUUUUUUUUUUUUXXXXXXXVVVVVVVVVVVXXXOOOOOOOOOOOOOOOOOOOOOOOZZZJJJJJJJFJJJMMMMFFFFUUUHHHHHHHHHHHHHHHUUUUUU
+CCCCCCCCCCCCCCCCCCCRRRRRRRRRRRRHHRHUUUHHHUUUUUUCUXXXXXXXVVVVVVVVVVVVVTTOOOOOOOOOOOOOOOOOOOOOOOZZZZJJJJJJJJMMMMMUUFUUUUUUUHHHHHHHHHUUUUUUUUUU
+EEEEECCCCCCCCCCCCCCRRRRRRRRRHRRHHHHHHHHHHUUUUUUCCXXXXXXXXVVVVVVKKKKVVTTOOOOOOOOOOOOOOOOOOOOOOOZZJJJJJJJJJJMMMMMUUUUUUUUUUHHHHHHHHHHUUUUUUUUU
+EEPPPCCCCCCCCCCRZRZRRRRRRRRHHHHHHHHHHHHHHHHUUUCCCCXXXXXXXVVVVVVKKKKKKTTOOOOOOOOOTTTTTOOOOOOOOOZZJJIIJJJJMJMMMMMMMUUUUUUUUHHHHHHHHHTTTUUUUUUU
+RPPPPCCCCCCCCCCRRRRRRRRRRRRRHHHHHHHHHHHHHUUUCUCFFXXXXXXXXVVVVVVVKKKKKTTOOOOOOOOOTTTTNOOOOOOOZZZZIIIJJJMMMMMMMMMMUUUUUUUUHHHHHHHHHTTWTTWWWUUU
+PPPPPCCCCCCCCCCARRRRRRRRRRRRROHHHHHHHHHHHHHHFFCFFQQXXXXXVVVVVVVKKKKKKKTTTTTTTTTTTTTNNOOOOOOOEZZZIIIIJMMMMMMMMMMMMUUUUUCCCCHHHHHHHHHWWWWWWWWU
+PPPPPPPPEECCCCCARRRRRRRRRRRRROHHHHHHHHHHHHFFFFFFFFQQXXVXVVVVVKKKKKKKKKKTTPTPPTTTTTTNNOOOOOOOEZEIIIIIISSMMMMMMMMMMUUUUCCCKCMHHHHHHRWWWWWWWDDD
+PPPPPPPPJJCCCCCUZZZRRURRRRRRRRHHHHHHHHHHHHFFFFFFFFFFFVVVVVVVVKKKKKKKKKKKKPPPPPPTTTTTNTOOOOOOEEEIIIIIIIIMMMMMMMMMMMMMCCCCCCHHHHHHHWWWWWWWWWDD
+PPPPPPRJJJCCCCCUZZRRUURRRURUUUUHHHHHHHHHHFFFFFFFFFFFFVVVVVVVTTDKKKKKKKKKKUPPPPPPPTTTTTOOOOOOEEIIIIIIIIIMMMMMMMMMMCCCCCCCCCHYYYHHHWWWWWWWWDDD
+PPPPPPRRJUCCCCCUZZZUURRRRUUUUUUHHHHHHHHHKFFFFFFFFFFFVVVVVVVTTTKKKKKKKKKKKKKPPPPPPPPTKKOOOOOOEEIIIISIIIIZMMMMMMMMMCCCCCCCCCYYYYYYHWWWWWWWWWDD
+PRRPRRRRRRUUUUZZZZZUUUUUUUUUUUUUHHJHHHHHFFFFFFFFFFFVVVVVVVVTTTTKTTKKKKKKKXXPPPPPPPPCCKOOOOOOEIIIIISUUIUMMMMMVMMTMCCCCCCCCDYYYYYYWWWWNWWWWWDD
+ERRRRRRRRUUUUUUUZZUUUUUUUUUUUUUUHSSSHHHHFFFFFFFFFFFVVVVVVVVTTTTTTTKKKKKKKXXPPPPPPPPKKKOOOOOOESISISSUUUUUMMMMMMMTMCCCCCCCCCCCCCCDDWWDWWWWWDDD
+EERRRRRRJUUUUUUUZZZZUUUUUUUUUUUSSSSSSHHFFFFFFFFRFFFVVVVVZTTTTTTTTTKKKKKKXXXPPPPPPPPKKKKBEEESSSSSSSSSUUUUMMMMMMMTDCCCCCCCCCCCCCCDDDDDDDDDDDDD
+EERRRRRRRUUUUUUUZZZZZUUUUUUUUUUSSSSGSHHHFFFFFFFFFFVVVVVVZTTTTTTTTTKKKKKKKXXPPPPPPPXKKKKBBEEESSSSSSSSSSUUUUMMMMMMDCCCCCCCCCCCCCCDDDDDDDDDDDDD
+EERRRRRRRRUUUUUUUZZUUUUUUUUUUUUSSSSGGGGHDFFFFFFFFFMMVVVRTTTTTTTTTTKRRKKKXXXXPMPPPPXXKBBBQDEVSNSSSSSSSUUUUUUUUUUJDDDDDDCCCCCCCCCHHDDDDDDDDDDD
+ERRRRRRRRRUUUAAAAAZZUUTUWUUUUUUUSSGGGGFFFFFFFFFFFFVVVVRRRRRRTDTTTTTRTXXXXXXXXPPPPXXQMQBQQQVVSSSSSSSSSUUUUUUUUUUDDDDDDDCCCCCCCCCHHHDDDDDDDDDD
+EERRRRRRRRRUAAAAAAAAAATTWWUUUUUUSSGGGGGFFFFFFFFFFRRRVVRRRRRRRTTTTTTTTXEXXXXXXXXXXXXQQQQQQQQVSSSSSSSSSUUUUUUUUUUDDDDDDDCCCCCCCCCHHDDDDDDDDDDD
+VVARRRRURRUUUAAAAAAAAWWWWWWUUUUUSFGGGGGFFFFFFFFFFRRRRRRRRRRRTTTTTTTTTEEXXXXXXXXXXXQQQQQQQQQSSSSSSSSSUUUUUUUUUUUDDDDDDDCCCCCCCCCHHHDDDDDDDDDD
+VVVKRRUUUUUUUAAJAAAAAWWWWWWUUUUUFFGGGGFFFFFFFFFFJRRRRRRRRRRRRRRTTTTEEEEXXXJXXXXXXXQQQQQQQQQRRSSSSSSSUUUUUUUUUUUUDDDDDDCCCCCCCCCHHHHDDDDDDDDD
+VDVKRRUUUUUUUAAAAAAAWWWWWWZUUUUFFFFGGGFFGFFFTTFJJJRFRRRRRRRRRRSTTTEEEEEEJJJJJXJXXXXQQQQQQQSSSSSSSSSUUUUUUUUUUUUUUDDDDCCCCCCCCCCHHUUHDDDDDDDD
+VDVVRUUUUUUUUAUAWAAAWWWWWWWWUUFFFFFFGGGGGFGGGJJJJJRRRRRRRRRREEEEEEEEEEEJJJJJJJJXXXXQQQQQQQQQSSSSSSSSUUUUUUUUUUUUGDDDDCCCCCCCCCCHHHHHDDDDDDDD
+VVVVUUUUUUUUUUUWWAAAWWWWWWWWUUUUFFFFFFGGGGGGGGJJJJRRRRRRRREEEEEEEEEEEEEJJJJJJJJXXXXQQQQQQQQQQSSSSSSSSUUUUAUUUUUGGGDDDCCCCCCHHHHHHHHHDHDDDDDD
+VVVVUUUVUDUUDDDDWWAWWWWWWWWWUUUFFFFFZZFGGGGGGGGJJJRRRRRRRRREEEEEEEEEEEEJJJJJJJJJJJQQQYYYYYZQQSSSSSSUUUUAUAUUUUGGGGDDDCCCCCCHHHHHHHHHHHDDDDDD
+VVVVUVUVUDDDDDDDWWWWWWWWWWWWUUUFFFFFZFFGFFGGGGGJJJJRRRRRRRRESEEEEEEEEEEJJJJJJJJJJJJJJYYYYYYYYSSSSSSUSUAAAAAUUUGGEGDDDCCCCCCHHHHHHHHHHHDDDDDD
+VVVVVVVVDDDDDDDDWWWWWWWWWWWWUUFFFFFFFFFFFFFGGGGGJJJJRRRRRRREEEEEEEEEEEEEJJJJJJJJJJJJJYYYYYYYYYSSSSSSSUAAAAAUUGGGGGDDDCCCCCCHHHHHHHHHHHHHDDDD
+VVVVVVDVDDDDDDDDWWWWWKKKWWWWWGTFFFFFFFFFFFFFFFGJJJJJRRRRREEEEEEEEEEEEEEJJJJJJJJJJJJJJJYYYYYYYYYYSCSCSUAAAAUUGGGGGGGGDCCCCCCHHHHHHHHHHHHHPDDD
+VVVVVVVDDDDDDDDDWWKWWKKKWWWWWGFFFFFFFFFFFFFFFFJJJJJJHLHRRQEEEEEEEEEEEEEJJJJJJJJJJJJJJYYYYYYYYYYYYCCCCKKKAAUUUUGGGGDDDCCCCCCHHPKHHHHHHHHHHDVD
+VVVVMVVMDDDDDDDDKKKKKKKKKKWKGGGFFFFFFFFFFFFFGFJJJJJHHHHRRQEEEEEEEEEEEEJJJJJJJJJJJJXJJYYYYYYYYYYYYCCCCKKKDUUUUUGGGGGDDDCCCCPPYPPHHHQHQQVHHDDD
+VVVMMVMMMDDDDDDDDKKKKKKKKKKKKGGFFFFFFFZZZZVGGGJJJJJHHHHHZHEEPEEEMMEMMJJJJJJJJJJJJJJJJYYYYYYYYYYCCCCCCCKKDDCUUUGGGGGDDDCCCCPPPPPPQFQQQVVVDDID
+VMMMMMMMMDDDDDDDDKKKKKKKKKKKGGGGGGGFFFVVVVVGGGJJJJHHHHHHHHHEPEEEIMMMMYYYJJJJJJJJJQJJJYYYYYYYYYYYCCCCCCKKCCCUUUUGYGGDDDCCCCPPPPPPQFQQQQVQIIII
+VMMMMMMNDDDDDDDDKKKKKKKKKKKKKGGGGGGFZZVVVVVVBGJJJHHHHHHHHHHHPPPEMMMQMMMMPJJJXJJJJJJWWYYYYYYYYYYYYCCCCCCKCCCCCCCYYGYDNNNNNNPPPPPOQQQQQQQQIIII
+MMMMNNNNDDDDDDDDDNKKKKKKKKKKKKGGGGGGGVVVVVVVBBBBBBHHHHHHHHHHPPMMMMMMMMMMMMMJJHHHHHJJWYYYYYYYYYYYYCCCCICCCCCCCCCYYYYLNNNOOPPPPPOOQQQQQQQQQQII
+MMMMMNNNNNDDDDDDDDKKKKKKKKKKKKGGGGGGGPUVVVVBBBBBBBBHHHHHHHHHHMMMMMMMMMMMMMMJHHHHHHHHHYYYYYYYYYYYCCCCIICCCCCCCCLLLLLLNNNOOKXXKKQQQQQQQQQQQIII
+MMMNNNNNNNNDDDDDDKKKKKKKKKKKKKGGGGGRRUUVVVBBBBBBBBBHHHHHHHHHMMMMMMMMMMMMMMUUUUUUUUKHKYYYYYYYYYTYCIIIIICCCCCCCCLLLILOOOOOOXXOXKKKQQQQQQQQQIII
+MMNNNNNNNNNNDDDDDKDJKKKKKKKEKGGGGGUUUUUQVVBBBBBBBBBBHHHHHHHHHMMMMMMMMMMMUUUUUUUUUUKKKYYYYYYYTTTTIILIIIIICCCCCILOOILOOOOOQXXXXXXQQQQQQQQQIIII
+MMNNNNNNNNNDDDDDDDDDYKKKPKPZZZGGGUUUUUUBBVBKBBBBBBBBHHHHHHHHHHEMMMMMMMMMMUUUUUUUUUKKKYYYYTTTTTTTIIIIIIIIICCIIIIOOOLOOOOOQQXXXXXXQQQQQQQIIIII
+MMNNNNNNNNNNDDDDDDDDDEKPPPPZZGGGGUUUUUUUBBBBBBBBBBBBHHHHHHHHEEEDDDDDDDMMMUUUUUUUQUKKKQYYYTTTTTTIIIIIIIIIINCIOIOOOOOOOOOOQOXXXXXXMQRRQQQIIIII
+NNNNNNNNNNDDDDDDDDDDDXPPPPPZZZGGUUUUUUUUUBBBBBBBBBOOHHHHHHHHHEEDDDDDDDMMMMUUUUUUQUKQRQFYTTTTTTTTTIIIIIIIIIIIOOOOOOOOOOOOOOOXXXXXQQXQQQQILIII
+NNNNNNNNNRRRDDIDDDDDDXXXXXXZZZZZUUUUUUUUUBBBBBBBBBOHHHHHHHHDDDDDDDDDDDMMMMUUUUUUQQZQQQQYTYYTTTTTTTIIIIIIIIIIOOOOOOOOOOOOOOXXXXXXXXXXQQQQLLII
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+NNNNNNNNNRRRRRRLDOOOXXXXXXEZZZZZZZZQQUUUUUUUUUUUUVVVEEEHHHEDDDDDDDDDDDMUUUUUUUUUUUQQQQQYYYYYYYYTTTJJJJJJJJIIIIIIIOOOOOOOOXXXXXXXLLLLLLLLLLLU
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+ZZZZZZZZTZZZDDDMMMMMMMMMMMMTQQQQQQQQQAAAJJJJJUJJUUUUOOOOAHHHHHHHHHHHOOOOOOVVHHHHHHHHHEEEDDDAAAAAAAXXXXXXXXXXXXWWWWWNNNNWMMMMMMWDDDZZZZHHHHHH
+ZZZZZZZZZZZZDDDMMMMMMMMMMMMMQQQQQQQQQNAAJJUUUUUUUUUUOOOHHHHHHHHHWWWWWWOOOOOOHHHHHHHEEEEEDAAAAAAAAAXXXXXXXDEXXXWWWWWWWWWWWMMFDDDDDDYZDDDDHHHH
+ZZZZZZZZZZDDDDDMMMMMMMMMMMJRRQQQQQQQQNNNJUUUUUUTUUTOOOOHHHHHHHHHWWWWWWOOOOOHHHHEEEEEEEEEDDDAAAAAAAXXXXXXDDDWWWWWWWWWRWWWWFFFDDDDDDYDDDDHHHHH
+ZZZZZZZZZZZDMMDMMMMJJJJJJMJRRRQQBBBBQCNNJJUUUUTTTTTOOOTHHHWHHHHHWWWWWWOOOOOHHEEEEEEEEEEEDDDAAAASAAXXXDXXDDWWWWWWWWWWRRWFFFFFFDDDDDDDDDDHHHHH
+ZZZZZZZZZZZMMMMMMMMMKJJJJMJQQQQQBBBNNNNNNNUUUUTTTTTOBTTTHWWQHHHHWWWWWWOJJOJJEEEEEEEEEEEECCCAASASXXXXXDDDDDDWWDWWWWWRRRFFFFDFDDDDDDDDDDDDHHHH
+ZZZZZZZZQQQQQEQMMMMJJJJJJJJJKBBBBBNNNNNNNNNUUUTTTTTBBBTTTQQQNHNHWWWWWWXXJJJJJJJJEEEEEEEEECCASSSSSSSXIDDDDDDDDDWWWRWWRRRFFFDDDDDDDDDDDDDAHHHH
+ZZZZZZZZRQQQQQQZZZZJOJJJJJJJJJJBBBNNNNNNNNNTTTTTTTTTBBBTTQQQNNNWWWWWWWNXXXJJXXXXXEEEEEECCCCASSSSSSTTDNDDDDDDDDWWWRRWRRRRRFDDDDDDDDDDDDDAHHHH
+ZZZZZZZRRQQQQQQZZZZJJJJJJBBBBBBBBBBBNNNNNNNTTTTTTTTTTTTTTTQQNNNWWWWWWWNXXXXXXXXXXXEECCCCCCCCCCCSSSDDDDDDDDDDDDDWRRRRRRRFFFDDDDDDDDDDDDDDTTHH
+UUUZZUQQQQQQQQQZZZZJJJJJJBBBBBBBBMBNNNNNNNNTTTTTTTTTTTTTTQQQNNNWWWWWWWNNXXXXXXXXEEEEECCCCCCCCCCRSSDDDDDDDDDDDDDDRRRRRRRRRFDDDDDDDDDDDDTTTTTH
+UUUUUUSQQQQQQQQZBZZJJJJJBBBBBBBBMMMNNNNNNNNTTTDDTTTTTTTTTTQQQNQWWWWWWWXXXXXMMMMMMMEEEERCCCCCCSRRKDDDDDDDDDDDDDDDRRRRRRRFFFFDDDDDDDDDDTTTTTTT
+UUUUUSSQQQQQQQYBBZBBYYJBBBBBBBBMMMMNNNNNNNNDDDDTTTYTTTTTTTQQQQQQQQQQIIXXXXXMMMMMMMEEERRCCCCCCSRKKKGGDDDDDDDDDDRRRRRRRRRRRRFFDDDDDDDDDDTTTTTT
+UUUUSSSQQQQQQQBBBBBBBBBBBBBBBBMMMMMMNNNNNDDDDDDDDDTTTTTTTTQQQQQQQQQIIIXXMMMMMMMMMMEERRRRCCCCSSSKKKGKDKVDDDDDDCCRRRRRRRRRRRRFDUDDDDDDDDTTTTTT
+UUSSSSSQQQQQQQQBBEBBBBBBBBBBBBBMMMMMMMNNNTTTDDDSSSGGTSTTTQQQQQQQQQQIBBXXMMMMMMMMMMEERRRCCCSSSSSWKKKKKKVVDDDCDCCRRRRRRRRRRRFFFDDDNNNNDDDTTOOO
+UUSSSSQQQQQQQQQQBBBBBBBBBBBJJMMMMMMMMMTTTTTTTDDDSSSSSSSTTSSSQQQQQQQIIXXXMMMMMMMMMMWERRRCCCSSSSSWKSKKKKVVVDVCCCCCRRRERRRRFFFFFFDNNNNNDDTTOOOO
+SSSSSSQQQQQQQQQQBQQBBBBBBBBJJJJMMMMKMTTTTTTTTTDDSSSSSSSSSSSEEQQQQQIIIXXXMMMMMMMMMMWERERCCCCSSSSSKSKKKVVVVVVCCCCRRRRRRRRFFFFFFNNNNNNNNNOOOOOO
+SSSSSSSSQQQQQQQQQQQBBBBBBBBJJJJMMMMMMMTTTTTTTTDDSSSSSSSSSSSEEEQQQIIIIIXXMMMMMMMMMMEEEECCCCSSSSSSSSSSKKVVVVVVVCRRRRRRJJRFFFFNNNNNNNNNNNHOOOOO
+SSSSSSSSQQQQQQQQQQZBBBBBRRJJJJJJJJMMPPTTTSSSSSODSSSSSSSSSSSEEEQQQJEEIIXXMMMMMMMMMMEEEECCCCSSSSSSSSSKKKVVVVVVCCCCCRJJJJJFFFFFFFNNWNNNNNNNOOOP
+SSSSSSSSQQQUUQQQQQQBRRRRRRJJJJJJJJJMPPTTSSSSSSOOOSSSSSSSSEEEEQQQQEEMMMMMMMMMMMMMMEEEECCCCSSSSSSSSSSKKVVVVVSVDDDDDAJJJJJFFFFFFNNNNNNNNNNHHHHP
+SSSSSSSQQQUUUUUUQQQQRRRRRRJJJJVJVVJJPTTTTSSSSSOOSSSSSSSSSSEEEEEQEEEMMMMMMMMMMMMMEEEEEECEESESSSSSSKKKKKKVDDDSSDDDDDDJJJJFFFFFFMANNNNNNNHHHHHP
+SSSSSSSQUUUUUUURRQRRRRRRRJJJJJVVVVVVTTTSSSSSOOOOOOSSSSSSSEEEEEEEEEEMMMMMMMMMMMMMEEEEEEEEEEESSSSSKKKKKKKDDDDDDDDDDDJJJJJFFMMFMMMDMMMMNNUHHHHH
+SSSSSSSAAUUUUUURRRRRRRRRRJJJJJJVVVVVTTTTSSSSSOOOOOOKSSSSEEEEEEEEEEEMMMMMMMMMMMMMIEEEEEEEEEESYSKSSKKKKKKDDDDDDDDDDDJJJJFFFMMMMMMMMMMMHHHHHHHH
+SSSSSSAAAUUURRRRRRRRRRRRJJJJJVVVVVVVSVTSSSSSOOOOOOOKKSSOOEEEEEEEEEEMMMMMMMMMMMMMIIYEEEYYEEESHHKSKKKKKKKKKDDDDDDDDGGGGGMMMMMMMMMMMMMMHHHHHHHH
+SSSSSSSSAAAURERRRRRDDRRRRRRRJRVVVVVVVVVVSSSOOOOOOOOKKSOOOOOEEEEEEEEMMMMMMMMMMMMMIYYEEEYYEEEEHHHKKKKKKKKDDDDDDDDDDGGGGGMIMMMMMMMMMMMMHEHHHHHH
+SSSSSSSEAAAAEEEERRRDDDRDDDRRRRVVVVVVVVVVVSOOOOOOOOKKKKKKKOOBBEEEEEEMMMMMMMMMMMMMYYYYYYYYEEEHHHHHKKKHKKDDDDDDDDDDDDGGGMMMMMMMMMMMMMMMMHHHHHHH
+SSSSSSSEAEEAEEEEDDDDDDDDDRRRRRRVVVVVVVVVVVOOOOOOOOKKKKKKKBJBBEEEPEEMMMMMMMMIIYYYYYYYYYYYEEEHHHHHHHHHKKDDDDDDDDDDDDDDGGGGMMMMMMMMMMMMHHHHHHHH
+SSSSESSEEEEEEEVVDDDDDDDDDDRRRRRVVVVVVVVVVVOOOOOOKKKKKKBBBBBBEEEPPPIIIIIIIIIIIYYYYYYYYJJJEEHHHHHHHHHHHHDDDDDDDDDDDDDGGGMMMMMMMMMMMMMRHHHHHHHH
+SSEEEEEEEEEEEEDDDDDDDDDDDDDRVRVVVVVVVVVVVVMOMOMMMKKKBBBBBBBBEJEPPPIIIVIIIIIIIIYYYYYGYYYJJJHHHHHHHHHHHHDDDDDDDDDDDDDGCCCCMMMMMMMMMMMMHHHHHHHH
+SSSSEEEEEEEEEEWDDDDDDDDDDDDVVVVVVVVVVVVVVVMMMMMMKKKBBBBBBBBBBJJJPPJJIIIJIIIIJJYYYYYYYJJJJJHHHHHFHHHHDDDDPDDDDDDDDDDGCCCCSMMMMMMMMMHHHHHHHHHH
+SSSSEEEEEEEEEEWWDDDDDDDDDLDDYYYVVVVVVVVVVVMMMMMMKFHHBBBBBBBBZJJJJJXJIJJJJIIIJJYYYYYQYJJJJJJJZZZZZHHZZZDZDDDDZDDDCGGGCCCCSMMMMMMMMMHHHHHHHHHH
+SSSSSEEEEEEEEDDDDDDDDDDDDDYYYYYYVVVVVVVVVVMMMMMFFFHFBBNBBBBBJJJJJJJJJJJJJIIJJJYYJYYYJJJJJJJJZZZZZZZZZZZZZZDZZDAACCCCCCCCMMMMMMMHMMHHHHHHHHHH
+SSSSEEEEEEEEEEDDDDDDDDDDDYYYYYYVVVVVVVVXVVMMMMMMFFFFFBBBBBBJJJJJJJJJJJJJIIIJJJYJJJJJJJJJJJJJJZZZZZZZZZZZZZZZZZCCCCCCCCCCCMMMMMHHHHHHHHHHHHHH
+SSSEEEEEEEEEEEVDDDDDDDDDDYYYYYYYYVVVVVVVVVMMMMMMMFFFFFFFFFBJJJJJJJJJVJJJJIIIIJJJJJJJJJJJJJJZZZZZZZZZZZZZZZZZZZCZZCCCCCCCCCCMHMHHHHHHHHHHHHHH
+SSEEEEEEEWEEEEVVDDDDDDDYDYYYYYYYVVVVMMVVVMMMMMMMMMFFFFFFFFJJJJJJJJJJJJJJJJIIIJJJJJJJJJJJJJJJJZZZZZZZZZZZZZZZZZZZZCYCCCCCCCCCHHHHHHHHHHHHHHHH
+SSSEEEEEEWWWEVVVVVDDDDYYYYYYYYYYYVEVVMMMMMMMMMMMMMMFFFFFFFJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJZZZZZZZZZZZZZZZZZZZCYCCCCCCCCCCHHHHHHHHHHHHHHH

2024/day12/input_small.txt

@@ -0,0 +1,4 @@
+AAAA
+BBCD
+BBCC
+EEEC

2024/day12/input_small2.txt

@@ -0,0 +1,5 @@
+OOOOO
+OXOXO
+OOOOO
+OXOXO
+OOOOO

2024/day12/input_small3.txt

@@ -0,0 +1,10 @@
+RRRRIICCFF
+RRRRIICCCF
+VVRRRCCFFF
+VVRCCCJFFF
+VVVVCJJCFE
+VVIVCCJJEE
+VVIIICJJEE
+MIIIIIJJEE
+MIIISIJEEE
+MMMISSJEEE

2024/day12/src/lib.rs

@@ -0,0 +1,240 @@
+use std::u32;
+
+use helper::{Day, Variants};
+use rustc_hash::FxHashSet;
+
+pub fn main() {
+    helper::main::<Day12>(include_str!("../input.txt"));
+}
+
+struct Day12;
+
+helper::define_variants! {
+    day => crate::Day12;
+    part1 {
+        basic => crate::part1,sample_count=1000;
+    }
+    part2 {
+        basic => crate::part2;
+    }
+}
+
+impl Day for Day12 {
+    fn part1() -> Variants {
+        part1_variants!(construct_variants)
+    }
+
+    fn part2() -> Variants {
+        part2_variants!(construct_variants)
+    }
+}
+
+fn part1(input: &str) -> u64 {
+    let width = input.bytes().position(|b| b == b'\n').unwrap() + 1;
+
+    let mut regions = Vec::<FxHashSet<usize>>::new();
+    let mut tile_exterior_edges = vec![None::<u32>; input.len()];
+
+    let mut id = 0;
+
+    for (i, c) in input.bytes().enumerate() {
+        if c == b'\n' || tile_exterior_edges[i].is_some() {
+            continue;
+        }
+
+        let region_id = id;
+        id += 1;
+        regions.push(FxHashSet::default());
+
+        fn propagate(
+            tile_exterior_edges: &mut [Option<u32>],
+            regions: &mut Vec<FxHashSet<usize>>,
+            input: &[u8],
+            id: u32,
+            i: usize,
+            width: usize,
+        ) {
+            if tile_exterior_edges[i].is_some() {
+                return;
+            }
+            tile_exterior_edges[i] = Some(u32::MAX);
+
+            let mut exterior_edges = 0;
+
+            regions[id as usize].insert(i);
+            let c = input[i];
+            if input.get(i + 1) == Some(&c) {
+                propagate(tile_exterior_edges, regions, input, id, i + 1, width);
+            } else {
+                exterior_edges += 1;
+            }
+            if i > 0 && input[i - 1] == c {
+                propagate(tile_exterior_edges, regions, input, id, i - 1, width);
+            } else {
+                exterior_edges += 1;
+            }
+            if input.get(i + width) == Some(&c) {
+                propagate(tile_exterior_edges, regions, input, id, i + width, width);
+            } else {
+                exterior_edges += 1;
+            }
+            if i >= width && input[i - width] == c {
+                propagate(tile_exterior_edges, regions, input, id, i - width, width);
+            } else {
+                exterior_edges += 1;
+            }
+
+            tile_exterior_edges[i] = Some(exterior_edges);
+        }
+
+        propagate(
+            &mut tile_exterior_edges,
+            &mut regions,
+            input.as_bytes(),
+            region_id,
+            i,
+            width,
+        );
+    }
+
+    let mut total = 0;
+
+    for region in regions {
+        let area = region.len() as u64;
+        let mut perimeter = 0;
+
+        // To count the total perimeter, we just count all the non-interior edges of every tile.
+        for tile in &region {
+            perimeter += tile_exterior_edges[*tile].unwrap() as u64;
+        }
+
+        total += area * perimeter;
+    }
+
+    total
+}
+
+fn part2(input: &str) -> u64 {
+    struct DontCount {
+        top: bool,
+        right: bool,
+        bottom: bool,
+        left: bool,
+    }
+    let width = input.bytes().position(|b| b == b'\n').unwrap() + 1;
+
+    let mut regions = Vec::<FxHashSet<usize>>::new();
+    let mut tile_exterior_edges = vec![None::<u32>; input.len()];
+
+    let mut id = 0;
+
+    for (i, c) in input.bytes().enumerate() {
+        if c == b'\n' || tile_exterior_edges[i].is_some() {
+            continue;
+        }
+
+        let region_id = id;
+        id += 1;
+        regions.push(FxHashSet::default());
+
+        fn propagate(
+            tile_exterior_edges: &mut [Option<u32>],
+            regions: &mut Vec<FxHashSet<usize>>,
+            input: &[u8],
+            id: u32,
+            i: usize,
+            width: usize,
+            dont_count: DontCount,
+        ) {
+            if tile_exterior_edges[i].is_some() {
+                return;
+            }
+            tile_exterior_edges[i] = Some(u32::MAX);
+
+            let mut exterior_edges = 0;
+
+            regions[id as usize].insert(i);
+
+            let c = input[i];
+
+            let no_edge_top = i >= width && input[i - width] == c;
+            let no_edge_right = input.get(i + 1) == Some(&c);
+            let no_edge_bottom = input.get(i + width) == Some(&c);
+            let no_edge_left = i > 0 && input[i - 1] == c;
+
+            if no_edge_top {
+                propagate(tile_exterior_edges, regions, input, id, i + 1, width, DontCount {
+                    top: false,
+                    bottom: false,
+                });
+            } else {
+                exterior_edges += 1;
+            }
+            if no_edge_left {
+                propagate(tile_exterior_edges, regions, input, id, i - 1, width);
+            } else {
+                exterior_edges += 1;
+            }
+            if no_edge_bottom {
+                propagate(tile_exterior_edges, regions, input, id, i + width, width);
+            } else {
+                exterior_edges += 1;
+            }
+            if no_edge_top {
+                propagate(tile_exterior_edges, regions, input, id, i - width, width);
+            } else {
+                exterior_edges += 1;
+            }
+
+            tile_exterior_edges[i] = Some(exterior_edges);
+        }
+
+        propagate(
+            &mut tile_exterior_edges,
+            &mut regions,
+            input.as_bytes(),
+            region_id,
+            i,
+            width,
+            DontCount {
+                top: false,
+                right: false,
+                bottom: false,
+                left: false,
+            },
+        );
+    }
+
+    let mut total = 0;
+
+    for region in regions {
+        let area = region.len() as u64;
+        let mut perimeter = 0;
+
+        // To count the total perimeter, we just count all the non-interior edges of every tile.
+        for tile in &region {
+            perimeter += tile_exterior_edges[*tile].unwrap() as u64;
+        }
+
+        total += area * perimeter;
+    }
+
+    total
+}
+
+helper::tests! {
+    day12 Day12;
+    part1 {
+        "../input_small.txt" => 140;
+        "../input_small2.txt" => 772;
+        "../input_small3.txt" => 1930;
+        "../input.txt" => 0;
+    }
+    part2 {
+        "../input_small.txt" => 80;
+        "../input_small2.txt" => 436;
+        "../input_small3.txt" => 1206;
+        "../input.txt" => 0;
+    }
+}
+helper::benchmarks! {}

2024/day12/src/main.rs

@@ -0,0 +1,3 @@
+fn main() {
+    day12::main();
+}