Solve day 12 (pain)

This commit is contained in:
hal8174 2024-12-12 19:44:35 +01:00
parent c57dcfb083
commit 5ec16bfa91
7 changed files with 327 additions and 0 deletions

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AAAA
BBCD
BBCC
EEEC

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OOOOO
OXOXO
OOOOO
OXOXO
OOOOO

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RRRRIICCFF
RRRRIICCCF
VVRRRCCFFF
VVRCCCJFFF
VVVVCJJCFE
VVIVCCJJEE
VVIIICJJEE
MIIIIIJJEE
MIIISIJEEE
MMMISSJEEE

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EEEEE
EXXXX
EEEEE
EXXXX
EEEEE

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AAAAAA
AAABBA
AAABBA
ABBAAA
ABBAAA
AAAAAA

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GGGGOOOOOOOOXXXXXXXXXXXXXXXXXSSSSSSSSSSSWWWWWWWWWWYYYYYYYYYYYYYYVVVVVVVVVVVVVVAGEEEEEEEEGGGGGGGGGGGGGEEBEQEYYYYYYYYBSSSBBBBBBBBBBBBBBBBBBBBB
GOOOOOOOOOOOOXXXXXXXXXXXXXXXXSSSSSSSSSSWWSWWWWWWYWYYYYYYYYYYYYYYYPVVVVVVVVVVVVVVEEEEEEEEGGGGGGGGGGEGGEEEEEEYYYYYYYYBBBBBBBBBBBBBBBBBBBBBBBBB
GGGGOOOOOOOOOXXXXXXXXXXXXXXXSSSSSSSSSSSWSSWWWWWWYYYYYYYYYYYYYYYYYYVVVVVVVVVVVVVVEEEEEEEEGGGGGGGGGEEEEEEEEEEEYYUYYYYBBBBBBBBBBBBBDBBBOOBBBBBI
GGGGGOOOOOOOXXXXXXXXXXXXXXXSSSSSSSSSSSSSSSQQWWRWYYYYYYYYYYYYYYYYYYVVVVVVVVVVVVVVEEEEEEEEGGGGGGGGGNEEEEEEEEEEYUUUUUUBBBBBBBBBDDDDDBBBOOBBBBII
GGGOOOOOOOOOXXXXXXXXXXXXXSSSSSSSSSSSSSSSSSQQQRRRYYYYYYYYYYYYYYYYYYYVVVVVVVVVVVVVEEEEEEEEGGGNGGGGGNTTEEEEEEEEUUUUSSSBBBBBBDDDDDDDDDDOOOBBBBBI
GGGGOOOOOOOXXXXXXXXXXXXXXSSSSSSSSSSSSSSSSRMMQRRRYYYYYYYYYYYYYYYYYYYVVVVVVVVVVVVVEEEEEEEEGGNNGGGGGNTTEEEEEEEEEUUSSQQQOBDDDDDDDDDDDDDDOBBBBBBB
GGGGGOOOOOOXXXXXXXXXXXXXXSSSSSSSSSSSSSSSRRRRRRRRRJQQYQYYYYYYYYYYYVVVVVVVVVVVVVVVEEEEEEEEGGNNNNNGNNNEEJUUUUUUUUUUQQQQQDDDDDDDDDDDDDDBBBBBBBBB
GGGYGYOOOOOOXXXXXXXXXXXXXXXSYYSSSSSSSSSRRRRRRRRRJJJQQQCYYYYYIVYBBVVVNNNNNVVVVVVVEEEEEEEEGGNNNNNNNNNEJJUUUUUUUUUUQQQQQQQDDDDDDDDDDDDBBBBBBSSK
GGGYYYOOOOOYYYXXXGGXXXGGGGGYYYYYSSSSOSSRRRRRRRRRRQQQQQQYYYEEIIIBBVVVNNNNNVVVVVEEEEEEEEEEGGGNNNNNNNNNNJGGUUUUUUUUNQQQQQYDDDDDDDDDDDDSSKSSSSSS
GGGGGYYOYOOYYXXXGGGGGGZGGGYYYYSSSSSSSSSSRRRRRRRRAVVQQQYYYYEIIIBBBVVVNNNNNNVVEEEEEEEGGGGGGGGNNNNNNNNNJJGGUUUUUUUUUQQQQQQDDDDDDDDDDDDDSSSSSSSS
GGGGGYYYYYYYYYXXXXGGGGGGGGGGYYYSSSYYYSSRRRRRRRRRVVVQQQQIYYIIIIIIBBVNNNNNNNVVEEEEEEEUUUGGGGGNNLGNNNNGGGGGGUUUUUHHQQQQTQQDDDDADDDDNDBBBSSSSSSS
GGYGYYYYYYYYYYXXXXGGGGGGGGGGYYYYYYYRRSRRRRRRRRRRRRVVVQQIIVIIIIIIIGNNNNNNNNMMEEEEEEEEEGGEEERRRGGGGGGGGGGUUUUUUUHGQSQTTTCDDDXXDDDDNDBSSSSSSSSS
YYYYYYYYYYYYYYXXXGGGGGGGGGGGYYYYYYYRRRRRRRRRRRRRRRVVVVQQQVXIIIIIQGNNNNNNNNUMEEEEEEEEEEEEEEEERGGGGGGGGGGUUUIUUHHHHTTTTTCDDDXXDDDDNNSSSSSSSSSS
YYYYYYYYYYYYYYYXXGGGGGGGGGGGGYYYYTRRRTRRRRRRRRRRRRRVVVVVVVIIIGIGGGGNNNNNNNNAEEEEEEEEEEEEEEEERGGGGGGGGGGIIUIIGGHHHTTTTTCDDDXXXXNDDNSSSSSSSSSS
YYYYYYYYYYYYYYYXGGGGGGGGGGGGGGGGYTKTTTTRRRRRRRRRRRVVVVVVVVVVIGGGGGGGNNNNNNZMMEEEEEEEEEEEEEEERRRGGGGGRRIIIIIIIIOHHTTTTTTTXXXXXXNNNNSSSSSSSSSS
YYYYYYYYYYYYYYYGGGGGGGGGGGGGGGTTTTTTTTGTRRRCRRRUUUUUUUUUVVGVGGGGGGGGGNNNNMMMMMMEEEMEEEEEEERRRRGGGGRRRRRIIIIIXITHHTTTTTSSSXXXXXNUUNSSSSSSSSSS
OOYYYYYYYYYYYSYGGGGGGGGGGGGGGGGGGTTTTTTTTCCCRRRUUUUUUUUUVVGGGGGGGGGGGGGGTTMMMMMEEEMMEEEEEEERRRGRRRRRRRRIIIIIXTTTTTTTTSSSXXXXXXUUUNNNSSSSSSSS
OYYYYYYYYYYYSSGGGSSSGGSGGGGGGGGTZTTTTTTTTCCCCCRUUUUUUUUUVVVTGGGGGGGGGGGGMMMMMMMMMMMEEEEEEDDTTRRRRRRRRRBIIIIITTTTTTTSSSSSXXXXXXUUNNNNSSSSSSSS
OYYYYYYYYYYYSSSSSSSSSSSSGGGGGHGTTTTTTTTTTTTCCCYUUUUUUUUUZVNOOGGGGGGGGGGGGMMMMMMMMMMEEEEEUTTTTRRRRRRRRRBIIIIIPTTTTTSSSSSSXXXXXUUUNNNNNNSSSSSS
OOYOYYYYYSSSSSSSSSSSSSSSGGGGGHHHTTTDTTTTTCTUUUUUUUUUUUUUODOOOGGGGGGGGGGMMMMMMMMMMMMZUUUUUTTTTTTRRRRRRRBBIIIBBBBTTSSSSSSSSXXNNUNNNNNNNNNSSSSN
OOYOOYYYGSSSSSSSSSSSSSSSGGGGGHHHHTTTTTZCCCTUUUUUUUUUUUUUOOOOOOOGGGGGGGGYMTMMMMMMMMMMUUUUATTTTTTRRRRRRRBBBBBBSBBSTTSSSSSSSSXXNNNNNNNNNNNSNNNN
OBOOOOYBGGSSSSSSSSSSSSSSTGUGHHHHHHHTTTCCCCCUUUUUUUUUBBBOOOOOOOOPOOGGGGGYYYMMMLMMMMMMUUUUAATTTTTTRRRRRRBBBBBSSDSSTSSSSSSSSSXNNNNNNNNNNNNNNNNN
BBBOOYYBGSSSSSSSSSSSSSSSTTIKIHRHHHIIECCCCCCUUUUUUUUUBBBOOOOOOOOOOOIOGGYYYYYLLLMMMMMMUUUUATTTTTTTRRRRRRRBBBBSSSSSSSSSSSSJJJJNNNNNJNNNNNNNNNNN
BBBBBBBBBBSZSSSSSSSSSSSSIIIIIRRRRHISCCCCCCCUUUUUUUUUBOBBBOOOOOOOOOOOOOYYYYYYLLMMMMMMMUUUGGTTTTTTGRRRRRRBBBBSSSSSSSSSSSSJJJJJJJJJJNNNNNNNBBNN
BBBBBBBBBBSZSSSSLSLSSSSSIIIIIRRRIIIICCYCCCCUUUUUUUUUBOBBSOOOOOOOOOOYYYYYYYYYLLUUUMZMMUUUUGKTTGTTGGRRRRRRBBSSSSSSSSSSSSSJJJJJJJJJJJNBBBBBBBNN
BBBBBBBBBVSSSSSSLLLLSSIIIIIIRRIRIIIAACCCCCTUUUUUUUUUVOOBSOOOOOOOOOTTYYYYYYLLLUUUUUUUUUUUGGGTGGGGGGGGRRRRBBSSSSSSSSSSSSSJJJJJJJJJJJJJBBBBBBNN
BBBBBBBBBSSSSSSSLLLLLIIIIIIIRIIRIIIJAAJJCCCUUUUUUUUUOOOOOOOOOOOOOOYYYYYYYYYLLUUUUUUUUUQUGGGGGGGGGGGCCRRRBBSSSSSSSSSSSSSJJJJJJJJJJJJJBBBBBBBN
BBBBBBBBBSBBSSSLLLLLAAAILIIIIIIIIJJJAJJJCJJUUUUUUUUUVVVOOOOOOOOOOYYYYYYYYYYYYYUUUUUUUUQQGGGGGGGGGGGGCRCCSSSSSSSSSSSSSJJJJJJJJJJJJJJBBBBBBBBN
BBBBBBBBBBBSSSLLLLLLLLLLLLIIIIIIJJJJJJJJCJJUUUUUUUUUVVVOOOOOOOOOOYJJYYYYYPYYYNNUUUUUQQQGGGGGGGGGGGGCCCCCSSSSSSSSSSSHSSJJJJJJJJJJJJJBBBBBBBNN
BBBBBBBBBBBSSSSLLLLLLLLLLLIIIIIIXXJJJJJJJJJUUUUUUUJJVVVLQQQOOOOOOOOJYYYYYPPPPPNNUUUUUQQQUGGGGGGGGGGGCCCCSSSSSSSSSSSHHSJJJJJJJJJJJJJBBBBBBBBB
BBBBBBBBBBBGSSLLLLLLLLLLLIIIIIIIXXJEEJJJJJJUUUUUUUJJJVVLQQXQOOOOOOUYYYYYYPNPPPNPPPUUUQQQQGGGGGGGGGGGCCSSSSSSSSSSHHHHHSOJJJJJJJJJJJJBBBBBBBBN
BBBBBBBBBBPWLLLLLLLLLLLLLIIIIIIIXXXXEDDJJJJUUUUUUUJJJJQQQQQQQQQQQOUUYYYYYQPPPLPPPPOOQQQQGGGGGGCCCGGCCCSSSSSSSSSSHHHHHOOOJJJJJJJJJJJBBBBBBNBN
BBBBBBBBWWWWWWALLLLLLLLLIIIIIIIXXXXXXDDJJJVUUUUUUUJJJQQQQQQQQAAUUUUUUUUYYQPPPPPPPPOSSSSSSSGGGGCCCCCCCCCCSSSSSHHHHHHHHHOOOJJJJJJJJJJJBBNNNNBN
BBBBBBBBBBBWWWALLLLLLLLLLIIIIIIIXDXXXDDDVVVVVVVJJJJJJQQQQQQQAAAUUUUUUUYYYYPPPPPPPPPSSSSSSSGGICCCCCCCCCSSSSSSSSSSHHHHHOOOOJJJJJKKJJJJLSNSNNNN
BBBBBBBBBBWWWWJJJLLLLLLLLLLIIIIIDDDXDDVIIVVVVVVVJJJJJTQQQQQQAUUUUUUUUUUUYUUPPPPPSSPSSSSSSSGGGCCCCCCCCCCSSSSSSSSHHHHGHOOJJJJJJKKJJLJLLSNSNNNN
BBBBBBBBBWWWWJJJJJLLWLRJSIIIIIDDDDDDDDVVVVVVVVVPJJJJQQQQQQQQQGUUUUUUUUUUUUPPPPPPPSSSSSSSSSGCCCCCCCCCCCSSSSSSSSSSSSSSMJJJJJJJJJJLLLLLLSSSNNNN
BBDDBBBDBWJJJJJJJJJJJJJJJIIIIIDDDDDDDDVVVVVVVVVVVJJQQQQQQQQQQQUUUUUUUUUUUUPPPPPPPSCSSSSSSSGCCCCCCCCCCCCSSCSSSSSSSSSSJJJJJJJJJJJLLLSSSSSSSSNS
BPDDDDDDWWWJJJJJJJJJJJJIIIIIIIWDDDDDDDVVVVVVVVVVJJJQQQQQQQQQQQJUUUUUUUUUUUUUPPPPPPCSSSSSSSCCCCCCCCCCCCCCCCCSSSSSSSSSPJJJJJJJJJJJLLLSSSSSSSSS
PPPNNDWWWWWJJJJJJJJJJJJIIIIIIWWWDDDDDDDDVVVVVVVVJJQQQQQQQQQJJJJUUUUUUUUUUUUPGPPPDDSSSSSSSSSSJJCCCCCCCCCCCSSSSSSSSSSSSJJJJJJJJJJJJSSSSSSSSSSS
PNNNNNNWWRWJJJJJJJJJJJJJIIIIIWWWWDDDDDDDCVVVVVJJJJJJQJQJQJJJJJJUUUUUUUUUUUPPPPPPDSSSSSSSSSSACCCCCCCCCCCCCSSSSSSSLSSSJJAJJJJJJJOOOOSSSSSSSSSS
PPNNNNNWRRWWJJJJJJJJJJJIIIIIIWWWWDDDDDDDCVVVVVVJJJJJQJQJJJJSJJJUUUUUUUUUUUPUFFPPDDSVSSSSSASAAACCCCCCCWWOSSSSSSSSSSSSSAAJJJAJJTSSSSSSSSSSSSSS
PPNNNNNNNRWRRJJJJJJJJXJIIIIIIWWWWWDDDDDDDVWVVVVVJJJJJJJJJJJSJJJLLUUUUHUUUUUUFFPPFSSFSSSAAAAAAACCIIIJCWWWWSSSSSSSSSSSAAAAAAAAATTSSSSSSSSSSSSS
PPNNNNNNRRRRJJJJJJJJXXXIIAIWWWWWWHDDADDIIVWWWWVJJJJJJJJJJJJSSSSSSUUUUUUUUUUUUFFJFFFFFFAAAAAAAAAIIIIIWWWWWSUUUUUUUUUAAAAAAAAAATTSSSSSSSSSSSSS
NNNNNNNNNRRRRJJGGJXXXXXIAAAAWWWWGDDDAADLLWWWLLMLLLJJJJJJJJSSSSSSSSUUUUUUUUUUUJJJJFFFFFFFFAAKAAAIIIIIWWWWLSUUUUUUUUUAAAAAAAAAATTSSSSSSSSSSSSS
NNNNNNNNNRRRRRGGGJXXXAAAAAAAWAWADDDDAADLLLWWLLLLLLLLJJJJJJSSSSSSSSSOPUUUUUKKCCJJJFFFFFFFFFAKKAIIIIIIWWWWWSUUUUUUUUUAAAAAAAAAATTTSSSSSSSSSSSS
NNNNNNNNNRRRRGGGGGXXAAAAAAAAWAWAADDAAAAALLLLLLLLLLLLJJJJJJJBSSSSSSSPPPPUUKBKCKFFFFFFFFFFKKKKKAAAAIIIIWWAAAUUUUUUUUUAAAAAAAAAATTTTSSSJJSSSSSS
NNNNNNNNNRRRRRRGGGGGAAAAAAAAAAAAAAAAYYYALLLLLLLLLLLJJJJJJJBBBSSSSSSSPPPKKKKKKKFFFFFFFFFFKKKKKKAAIIIIUUWAAAUUUUUUUUUAAAAAAAATATTTTTTSJJSSSSSS
NNNNNNRNRRRRRRRGGGGWAAAAAAAAAAAAAAAAYYYZLLLLLLLLLHHHJJJJJJBBBSSSSSPPPPPPPTKKKKKKKKKKKFKKKKKKKKKLLIIIIIWWWYUUUUUUUUUAAAAAAATTTTTTTTJJJJJSJSJS
NNNNNRRNRRRRRRRGGGGGGGGAAAAAAAAAAAAYYYYYLLLLLLLLLLHHHHJJJBBBFSXSSSSPPPPPPPCKKKKKKKKKKKKKKKKKKAALLIIIIILZYYUUUUUUUUUAAAAAAATTTTTTJJJJJJJSJJJS
SQQNUURRRRRRRRRGGGGGGGGGAAAAAAAAAAYYYYYLLLLLLLLLLLLHHHJJJJBBBBBBSSPPPPPPPPKKKKKKKKKKKKKKKKKKKAALLIIIWWLZYYYYYYYAAAAAAAAAAATTTTTTJEJJJJJJJJJS
QQQQQUUUURRRRRGGGGGGGGGGAAAAAAYYYYYYYYYLLLLLLLLLLLLHHHYJJJBBBBBBDPPPPSPPPAKKKKKKKKKKKKKKKKLKAALLLLLLLLLLYYYYYYYAAAAAAAAAATTTTTTJLJJJJJJJJJJE
VQQQQQUUURRRRGGGGGGGGGGGGAAAAAYYYYYYYYYLLLLLLLLLLLLHHYYYYNBBBBBBDPPPPSPPPAKKKKKKKKKKKKKKKKLAALLLLLLLLLLLLLYYYYYAAAAAAATTATTTTTTJJJJJJJJJJJJJ
VVVQQUUUUURRRRGGGGGGGGGGGAAAAAYYYYYYYYLLLLLLLLLLLLLHYYYYBBBBBBBBDPSSSSSPPAAKTKKKKKKKKKKLLLLLLLLLLLLLLLLLLYYYYYYYAAAAATTTTTTTTTTTJJJJJJJJJJCJ
VVVVUUUUTRRRRRRGGGGGGGGGAAAEAYYYYYYYYYLLLLLLLLLLLLLYYYYYBBBBBBEBDSSSSSSSAAATTKKKKKKKKKKLLLLLLLLLLLLLLLLLLLLYYYYYYAAAAAAATAZZZZTTTJJJJJJJJJJM
VVVUUUUUTTRRRRRRGJGGGUGXRRRERRRRYYYYYYYLLLLLLLLLLKYYYYYYYBBTWWEEWSSSSSSSSTTTTTTKKTKKKKLLLLLLLLLLLLLLLLLLLLFYYYYYYYYAAAAAAAZZZZZZZJJJJJJJJMMM
VVVUUUUUUTRRRRUUJJUUUUXXXRRRRRRRYYYYZZYYYLLLLKKKKKKYYYYYYYWWWWWWWSSSSSSSSWWTTTTTKTKKKKLLLLLLLLLLLLLLLLLLLLYYYYYYYYGGGGGGGGGGZZZZZZJJJJJJJMMM
VVVVUUUTTTRRRRUUUUUUUUXXXRRRRRRRVYZZZZZYYLLLLLKKKKYYYYYYYYWWWWWWWWSSSSSSSTTTTTTTTTTTKPPLLLLPZIZLLLLLLLLLLLYYYYYYYYGGGGGGGGGGZZZZZZZZZJJJJJMM
VVVVQUTTTTRTRRUUUUUUUUXXRRRRRRRVVZZZZZZZYYLLKKKKKKKYYYYWYYWWWWWWWWWSSSSSTTTTTTTTTTTTKPPLPPPPZZZZZLLLLLLLTTYYYYYYYPGGGGGGGGGGZZZZZZZZMMJMMMMM
VVVVVUTTTTTTRRUUUUUUUUUUURRRRRRRRRZZZZZZYGGLGKKKKKKWWWWWWWWWWWWWWWWWSSTTTTTTTTTTTTTTTPPPPPPPZZZZZZLLLLLLYYYYYYYYYPGGGGGGGGGGGGGGZZZZZMMMMMMM
VVVVVTTTTTTTRUUUUUUUUUUUURRRRRRRRBZZZZZZZGGGGKGKKKKWWWWWWWWWWWWWWWSSSVRTTTTTTTTTTTTPPPPPPPPZZZZZZNLLLLZZYYYYYYYPPPGGGGGGGGGGGGGGZZMMMMMMMMMM
YYYVTTTTTTTTRRUUUUUUUUUUURRRRRRRZBZZZZZZGGGGGGGGGKKKWWWWWWWWWWWWWVVVVVVTTTTTTTTTTTTTTPPPPZZZZZZZZNNNNLLPPYYYYYYPPPGGGGGGGGGGGGGGZZMMMMMMMMMM
YYYYYTTTTTTTTUUUUUUUUURURRRRRRRZZZZZZZZGGZGGGGGGKKKKWWWWWWWWWWWVVVVVVVVTXTTTTTTTTTTQPPPPPZZZZZZZZNNNNLNPPYYYYPYPPPGGGGGGGGGGGGGGZZZMMMMMMMMM
YYYYTTTTTTTTMMMUUUUHRRRRRRRRRRRRVZZZZZZZZZZGGGGBBBBKWWWWWWWWWWVVVVVVVVVVVVTTTTTTTTQQQPPPZZZZZZZZZZNNNNNPPYZYYPYPPPGGGGGGGGGGGGGGOOZZZZMMMMMM
YYVVIIETTTTTMMMUUUURRRRRRRRRRQCQQAAZZZZZZZGGGGGBBKKKKKMWWWWWWWWVVVVVVVVVTTTTTTTTTHQQZZZZZZZZZZZZZZNJNPPPPPYYYPPPPLLLLLLGGGGGGGGGOOZZZZMMMMMM
YYVIIIETTTTTTMMUUURRRRRRRRRRQQQQQQQQZZZZZZXGGGKKKKKKKMMMWWWWWWWWVVVVVVVVTTTTTTTTTTQQQZZZZZZZZZZJZZJJNJPPPPPYPPPPPLLLLLLGGGGGGGGGOOZZZMMMMMMM
VVVVVEETTTTTTTMMMMRRRRRRRRQQQQQQQMQXZZXXXXXGGKKKKKKKMMMMMMWWWWWWWVVVVVVVTVTTTTTTTTQQQQQZZZZZZZZJJZZJJJPPPPPYIIPPPPLLDLLGGGGGGGGGZZZZZMZMMMMM
VVVJVEEGTTTTTMMMMMRRRRRRRRRQQQQQQQXXXZXXXKKKGKKKKKKKMMMMMMWWWWWWUUVVVVVVTVTTTTTTTTQQQWQQQZZQZZZJJJJJPPPPPPIIIIIIIPPLLLLGGGGGGGGGVZZZZZZZMMMM
VVVVOEEEEETTTMMMMMMRRRRRRRRQPQQQQQXXXZZXXKKKKKKKKKKKMMMMMMMMWWWWWUBBVVVVTVTTTTJTWWWWQWWQQQZQZZZJJJJPPPPPPPPIIIIIPPPPPLLLLHHOOOOOZZZZZZZZMMMM
VVVVVVEEETTTTMMMMMMMRRRRRRPPPQQQQXXXXXXXXKKKKKKKKKKKMMMMMMBMBWBBBBBBVVVVVKKUUTJJWWWWWWWQQQQQQZJJJJJPPPPPPPPPPIPPPPPPPHHHHHOOOOOOOZZZZZZZZZMM
VVVVVVEEEETTTMMMMMMMRRRRRPPPPAQQXXAXXXXXXAAAKKKKKKKMMMMMMMBBBBBBBBBBBKKKKKKUUUWWWWWWWWWQQQQQQZZJJJJJJPPPPPPPPPPPPPPPPHHHHHOOOOOOZZZZZZZZZMMM
PVVVVVSEEEEEMMMMMMMMMRRRRPPPPAAAAAAAXXXXXAAAAAAAKARMMMMRRMHBBBBBBBBBKKKKKKUUUWWWWWWWWWWWQQQQQZZJJNJPPPPPPPPPPPEEPPLPHHHHHOOOOOOOZZZZZZZZZMMM
VVVVVVSEEEEEUUUUUMMMMMRRRPPPPAAAAAAAXXXXAAAAAAAAAARMRRRRRRRRBCBBBBBBKKKKKKKWWWWWWWWWWWWWQQQQQNNNNNJPPPPPPPPPPPEEZPPHHHSSHOOOOOOOZZZZZZAZAAMM
VVVVVVVUUHHHGGUUUUMMMMRPRPPPPAAAGKKAAXXAAAAAAAAAAARRRRRRRRRRVBBBBBBBKKKKKKKWWWWWWWWWWWWQQQQQQNNNNNJPPPPPPPPPPPEEEPPEEHSSOOOOOOOOOZZZZZAAAAMM
VVVVVVVUUHHHGHUUUUUUUUPPPPPPPGGGGKKAXXAAAAAAAAAAAARRRRRRRRRRRBBBBBBBBKKKKKKUTWWWWWWWWWQQQQQQQQNNNJJPPPPPPPPPPPREEEEESSSSSSOOOOOOOZZZZZAAAAAA
VVVVVJVUUHHHHHUUUUUPPPPPPPPPPGGGKKGXXXAAAAAAAAAAAARRRRRRRRRRREEBBEEEBBKKKLKTTTTWWWWWWWWWQQQQQQQQNJJJJJPPPPPPPPEEEEEEESSSSOOOOOOOOOOZZAAAAAAA
VVVVVJVUUHHHHHHUUUUPWWPPPPPPPPGGGGGGXXAAAAAAAAAAAAARRRRRRRRRREEWWWWWWWWKKKTTTTTWWWWWWQQQQQQQQQQNNNNJJJPPPPPPPEEEEEEEESSSSOOOOOOOOOOWAAAAAAAA
UUUUUUUUUUHHHUUUUUPPPWPPPPPPPPGGGGGGXXAAAAAAAAAAAYRRRRRRRREEEEFWWWWWWWWKKTTTTTTWWWWWWQQQQQQQQQQUUNNJJJJJJPPPEEEEEEEOSSSSSNNNNNNONOOOAAAAAAAA
UUUUUUUUUHHHHUUUUUPPPWWPPPPPPPGGGGZZAAAAAAAAAAAAAYYRRRRREEEEWWWWWWWWWWWKKKKKKKKKKWWWWQQQQQQQQQQUYNNYYYJJJPPPXEEEEEOOOSSONNNNNNNNNNNAAAAAAAAA
UUUUUUUUHHHHHHUUUUUUUWWPPPPPPPPGGGPPAAAAAAGZAAZZYYYRRRRRREEEWWWWWWWWWWWKOKKKKKKKKIIIIQQQQQQQWWUUYYYYYYYJJYXXXEEFOYOOOOOOONNNNNNNNNNAAAAAAAAA
UUUFEFBBBHWWUUUUUUWWWWWWWPPQPPPPPPPPEAAFAAZZVZZZYYYRRRRREEEFWWWWWWWWWWWWWWWWWWWWKIIIHQQQQQQQWWUUYYYYYYYYYYXXXEXOOOOOOOONNNNNNNNNANAAAAAAAAAA
FFUFFFBBBBWWWWUUUWWWWWWWWPPQQQPPPPPPPPYZZZZZZZZZYYYFREEEEEFFWWWWWWWWWWWWWWWWWWWWKIHIHQQQQQWWWWYYYYYYYYYYYYXXXXXOOOOOOONNNNNNNNNNAAAAAAAAAAAA
FFFOFFFBBWWWWUUUWWWWWWWKKQPQQQPPPPPPPPYYZZZZZZZZZYFFEEEEEFFFFWWWWWWWWWWWWWWWWWWWKIHHHQQQQQWWWWWWWYYYYYYYYYYYYYOOOOOOOONNNNNNNNNNNAAAAAAAAAAA
FFOOFFBBBWWWWWWWWWWWWKKKKQQQQQPPPPPPPPPYYZZZZZZZZZFFEEEEEFFFFWWWWWWWWWWWWWWWWWWWKHHHHQHHHWWWWWWWWWWWYYYYYYYYYIOOOOOOOOOONNNNNNNNNEAIIAAAAAAA
FFFFFFFBFFFWWWWWWWWWWKKKKQKQPQPPPPPPPPPPPZZZZZZWWWFFFFFFFOFFFWWWWWWWWWWMKKKKKKKKKHHHHHHHWWWWWWWWWWWWYYYYYYYIIIIOOOOOOONNNNNNNNNNEEEEEIAAAAAA
XFFFFFFFFFFWWWWWWWWWWWKKKKKQPPPPSSPPFPPZZZZZZZZWWWFFFFFFFFFFFWWWWWWWWWWKKKKKKKKKJJJHHHHHHWWWWWWWWRYYYYYYYYYIIIIIOOOOOONNNNNNNNNEEEEEEAAAAAAA
XFFFFFFFFFFFFWWWWWWWWKKKKKKKSPPSSSSSSSPPZZZZZWWWWWFFFFFFFFFFFWWWWWWWWWWKKKKKKKKKJJTTYHHHHHWWWWWWWWJYYYYYYYIIIIIIOOOOONNNNNNNNNNEEEEEENAAAAAA
FFFFFFFFFFFWWWWWWWWKKKKKKKKPSSSSSSSSSSPZZZZZZZZWWWWFFFFFFFFWWWWWWWWWMMKKKKKKKKKKJJJTYHHHHWWWWWWWWWYYYYYYYYIIIIIIOOOOOONNNNNNNNNEEREEEEAAAAAB
FFFFFFFFFRRRRRRRWKKKKKKKKKPPSSSSSSSSSZZZZZZZZZZZWWWFFFFFFFFWWWWWWWFFJJKKKKKKKKKKJJJJYYYYHWWWWWWWWWWWYYYYYYYYIIIIOOOOOOONVVNNNEEEEEEEEEAATABB
FFFFFFFFFFRRYRRRKKKKKKKKKKKKDSSSSSSSSZZZZZZZZVWWWVVFFFFFFUFWWWWWWWVFFJKKKJJJJJJJJJJJYYYYYFWWWWWWWWWWYYYYYYYYIIIIOOOOOOOOAVVNNNEEEEEEEEEEEAEB
FFFFFFFFFFRRRRRRRVKKKKKKKKKSSSSSSSSXSSZZZZZZZVVVVVVFFFFFFUFWWWWWWWVVVJJJJJJJJJJJJJJFYYYYWWWWWWWWWWYYYYYYYYYIIIIIIOOOBBVOVVVVVEEEEEEEEEEEEEEE
FFFFFFFFFFFRRRRRRVRKKKKKKKKKKSSSSSSSSZZZZZZZRRVVVVZZFFVVVFFWWWWWWWVVVJJJJJJJJJJJJJNNNNNWWWWWLWWWWYYYYYYYYIIIIIIIIIOBBVVVVVVVVVEEEEEEEEEEEEEE
FFFFFFFPPPRRRRRRRRRRKKKKKKKKKSSSSSSSSSZZZZZZRRVVVVVZZZVVVVVWWWWWWVVVJJJJJJJJJJJJJJJJNNNNWWWWWLLWLLLLLLYIIIIIIIIIIMMBBVVVVVJJJJJEEEEEEEEEEEEE
FFFFFFFPPPRRRRRRRRKKKKKKKKKKKKSSSSSSSSHZZZZZRVVVVVVVVVVVVVVVVVVVVVVVVVJJJJJJJJJJJJJJJNNNNNWWWWLLLLLLLLIIIIBIIIIIMMMMBVVVJJJJJJJJEEEEEEEEEQED
FFFFFFRPPPRRRRRRRRRKKKKKKKKKKHHSHSHHLLBXZBRRRRRVVVVVVVVVVVVVVVVVUVVVVJJJJJJJJJJJJJJJNNNNNWWWWWLLLLLLLLIIIBBBIIIIMMMMBVVJJJJJJJJJJJEEEEEEEEED
FEFFFFRPPPRRRRRRRRRKKKKKKKKAHHLHHHHHBLBBBBRRRRVVVVVVVVUUVUUUUUUUUUBBBBBJJJJJJJJJJNNNNNNNNWWWLLLLLLBLBBBSSBBBBBIIMMMMMVFJJJJJJJJJJJJJEEEEEEEE
EEBBBFRPPPRRRRRRRRRRHKKKJKKJJHHHHHHHBBBBBBRRVRRVVVVVVUUUVVUUUUUUUUUEBBBBBBJJBBBNNNNNNNNZNWWWLLLLLLBLBBBBBBBBBIIIMMMMMMEAJJJJJJJJJHJJEEEEEEEE
EEBBBBRPPPRRRRRRRRRRHHHHJKKJCHHHHHHVBBBBBBBRVVVVVVVVVUUUUUUUUUUUUUUBBBBBBBBBBBBNNNNNNNZZZWWWWLZLLLBBBBBBBBBBOOIIIIMDDMEEJJJJJJJJJJJJOJQQEQSE
EEBLBMMPPPRRRRRRRRRRHHJJJJJJCHHHHHHVBBBBBBBVVVVVVVVVVUUUUUUUUUUUUUUBBBBBBBBBBBBNBBNNNNNZZWWWWWZZZBBBBBBBBBBOOOIIIIDDDMEDJJJJJJJJJJJJJJQQQQQH
EEBBBBBPPPRRRRRRRRRRRHHJJJJJJHHHHHVVBBBBBBYYVVVVVVVVVUUUUUUUUUUUUUUBBBBBBBBBBBBBBBNNNZZZZZZZZZZZZBBBBBBBBOOOOOIIIODDDDEDJJJJJJJJJJJJJJQQQQQH
EEEBBBBPPPRRRRRRRRPPPJJJJJJJJJHHHHVBBBBBBBVVVVVVVVVVVVUUUUUUUUUUUUBBBBBBBBBBBSBBBZZZZZZZZZZZZZZZZZBBBBBOGOOOOOOOOOODDDDDJJJJJJJJJJJSSQQQQQQQ
BBBBBBBBJBRPPRRRRRPPPJPJJJJJJJJKHVVBBGGBGBGGVVVVVVVVVVVUUUUUUUUUUUBBBBBBBBBBBSBXXZZZZZZZZZZZZZZZZBBBBBBOOOOOOOOOOODDDDDDJJJJJJJJJJJQQQQQQQQQ
KBBBBBBBBBDPPPRRRPPPPPPPPPPJJJJKHHVBBHGGGGGVVLVVVVVVVVUUUUUUUUUKKUKBBBBBBBBBSSSSSSSZZZZZZZZZZZZZZBBBBOOOOOOOOOOOOODDDDDDDDDDJJJJJJJJQQQQQQQQ
KBBBBBBBBBDPDPRRPPPPPPPPPPPJJWJJHWBBBHHGGMGVVVVVVVVVVVVUUUUUUUUKKKKBBBBBBBBSSSSSSSSSZZZZZZZZZZZZBBBBBBOOOOOOOOOOOIOODDDDDDDDDDDDDQQQQQQQQQQQ
BBBBBBBBBBDDDPRPPPPPPPPPPPPJPWWWWWWWHHHGMZZZZZZZZVVVVVVHKKKKKKKKKKKUEBBBBBBSSSSSSSSSZZZZZZZZZZZZBBBBBBOOOOOOOOOOOOOODDDVDDDDDDDDDDQQQQQQQQQQ
BBBBBBBBBBDDDDDDPPPPPPPPPPPPPWWWWHHHHHHHMZZZZZZZZVVBVVVHCKKKKKKKKUUUUGGBBBSSSSSSSSSSZZZZZZZZZZZZZZOOOBOOOOOOOOOOOOOOVVVVDDDDDDDDDDDDDQQQQQQQ
BBBBBBBBBDDDDDDDPPPPPPPPPPPPPWWWHHHHHHHMMZZZZZZZZVVVQQCCCKKKKKKKKUUUUUBBBBYYSSSSSSNZZZZZZZTZZZZZOOOOOOOOOOOOOOOOOOOVVVVZZZZDDDDDDQQDDQQQQQQQ
BBBBBBBBBBDDDDDDDPPPPPPPPPPPWWWWHHHHHHHHHZZZZZZZZWWMMQCCCCCKKKWKUUUUUUUBBBBYYSYSSSSSZZZZZZTTTTTTTSOOOOMOXOOOOOOOOOOVVVVVZZZZDDDDDQQDQQQQQQQQ
MBBBBBBBBJDDDDDDDDLPPPPPPPPPPPPWHHHHHHHHHZZZZZZZZMMMMCCCCKKKKKKKUUUUUUUYYYYYYYYSSSSSZZZZZTTTTTTTTOOOOOOOXOOOOOOOOOOVVVVVZZZZZZDDQQQQQQQQQQQQ
MMJJJJJJJJJJDJJDDDLLLLLPPAQQPQQHHHHHHHHHHZZZZZZZZMMMMCCCCJKKDDDDUIUUUUUYYYYYYYYSSUUZZZZZZTTTTTTTAAOOOOOOOOOOOOOOOOBVVVSSSZZZZDDDDDDQQQQQQQQR
MMJJJJJJJJJJJJJJJLLLLLLLPAQQPQQQQQHHHHHHHHGGMMMMMMMMMNCCCCCCDDDDFFUUUUUYFFYYYYYYSZUZZZZZTTXTTJJJJJOOOOOOOOOOOOOOOBBVVVSSSSZZDDDEEDEQQQQQQQQR
MMJJJJJJJJJJJJJJJJJJLLLLPAQQQQQQQQHHHHVVVHGGMMMMMMMMMMMCCCCCDDDDDFFFUUFYFFYYYYYZYZZZZZZZZZJJJJJJJOOOOOOODLOOLLROOBBBVVSVVSSSEEEEEEEQQQQRQRRR
MMJJJJJJYJJJJJJJJJLLLLLLQAQQQQQQQQHVVHVVVGGGGMMMMMMMMMMMNCCCWDDWDFFFUFFYFFYYYYYZZZZZZZZZZZJJJJJJJOOOOOOOLLLLLLLOBBBVVVVVSSSSEEEEEEEQQQQRRRRR
MMMJJJJJJJJJJJJJJLLLLLLLQQQQQQQQVVHVVHVVVGGMMMMMMMMMMMMMMNCSWDDWWFFFFFFFFFFYYYYZZZZZZZZZZZZYYYYJJOOOOOOLLLLLLLLLLVVVVVVYESSSSEEEEEEEFERRRRRR
MMJJJJJJJJJJJJJJJLLLLLQQQQQQQQQQVVVVVVVVVVVMMMMMMMMMMMMMMMCSWWWWWFFFFFFFFFFYYYZZZZZZZZZZZJAYYYYJJJOOOOALQLLLLLLLKVVVVVVYEEEEEEEEEEEEEERRRRRR
MMGGJJJJSSJJJLJLJLLLLLLQQQQQQQQQQQVVVVVVVVVVMMMMMMMMMMMMMWSSWWWWWFFFFFFFFFFYYYZZZZZZZZZZZJJYYYYJJBOOOOOOSSLLLLLKKVVVVVVEEEEEEEEEEEEEEAERRRRR
MMGGJJSSSSSJJLLLLLLLLLLQQQQQQQQQQVVVVVVVVVVVMMMMMMMMMMMMMWWWWWWWWFFFFFFFFFFFYYYZZZZZZZZZZZYYYYYJJJWOOOCCSSLLLELKKKVVVVVEEEEEEEEEEEEEEEERRRRR
MMGGJSSLLSLLJLLLLLLLLLLQQQQQQQVVVVVVVVVVVVVVVJJMMMMMMMMWWWWWWWWWWFFFFFFFFFYFYYYYZZZZZZZZZZYYYYYJJJJSSSSCSSSLLEEVVVVVVVVVEEEEEEEEEEEEEEERRRRR
MMMMSSSLLLLLJLLBLLLLLQLQQQQQQVVVVVVVVVIVVVVZZJJMMMMMMMWWWWWWWWWWFFFFFFFFFYYYYYYYZZZZZZZZZZYYYYYJJJSSSSSSSSSSEEEVVVVVVVVVEEEEEEEEEEEEEEEERRRR
SSSMSLLLLLLLLLBBBLLLLQFFFFFFFFFVVVVVVVIVVVZZJJJJJMMMMMMMWWWWWWWWFFFFFFFFFFFYYYYYZZZZZZZZZZYYYYYJRJSSSSSSSSSSSRRRRRRRRVVVVWEEEEEEEEEEEEERRRRR
SSSSSSLLLLLLBBBBBBBBBBFFFFFFFFFVVVVVVVIIIIZZJJJJMMMMMMMMWWWWWWWWFFFFFFFFFFFYYYYYYYFFWZZZZLYYYYYJRRSSSSSSSSSSSRRRRRRRRVVVWWEETEEEEEEEGEEERRRR
SSSSSLLLLLLLLBBBBBBBBBFFFFFFFFFVVVVVIVIIIZZZJJJJXXXXWMMMWWWWWWWWAFFFFFFFFFFFVVYYVVFFFFFLLLYYYYYJRRSSSSSSSSSSSRRRRRRRRVVVVEEIEEEEIEEEEERRRRRR
SYYSSLLLLLLLBBBBBBBBBBFFFFFFFFFFFFVIIIIISZZJJJJJXXXWWMMMMWWWWWEFFFFFFFFFDFVVVVVVVAFFFFFFFLYYYYYJJSSSSSSSSSSSSRRRRRRRRVVVVIIIEEEIIEEEXERRRRRR
SYYYSSSSLLSLBBBBBBBBBBBFFFFFFFFFFFVIIIISSSSSJJJXXXXWWWWWWWWWWXXFFFFFFFFDDDDVVVVVAAFFFFFFFFYYYYJJJSSSSSSSSSSSSRRRRRRRRNNVVVIEEEIIIIRRRRRRRRRR
SYSSSSSSSSSSBBBBBBBBBBTFFFFFFFFFFFVIIIIIISSSSXXXXXXWWWWWWWWMWXXFFFFFFFFDDDDVVVVVVAFFFFFFFFYYYYJJJSSSSSSSSSSSSRRRRRRRRNIIIIIIIIIIIIRRRRRRRRRR
SYSSSSSSSSSBBBBBBBBBBBTFFFFFFFFFFFIIIIIISSSXXXXXXXXXWWWWWWWMXXXMMFFFFFDDDDDVDVVVVFFFFFFFFYYYYYYJYSSSOOSSSSSSSRRRRRRRRNNIIIIIIIIIIRRRRRRRRRRR
SSXXXSSXSSSSSUBBBBBBBTTFFFFFFFFFFFIIPPPPXSSSXXXXIXXXWWWWWMMMMMMMMFFFFDDDDDDDDVVVFFFFFFFFFYFFYYYYYYYOOOSSSSOSURRRRRRRRRRIIIIIIIIIIIRRRRRRRWRW
SSSXXXXXSSSSUUBBBBBBBTTTTTFFFFFFFFAPPPPLLLLLLLLLIIWWWWWWMMMMMMMMMMFMMDDDDDDDDDDQQFFFFFFFFFFYYYYYOOOOOOOOOOOUUUGGGGRRRRRNLIIIILIIIIRGWRRRWWWW
SSSXXXXXSSSUUUUBBBBBBTTTTTTTBBBBBAAAPPPLLLLLLLLLIIIWWWWWIIIMMMMMMMMMMDDDDDDDDDDQZFFFFFFFFFFYYYYYOOOOOOOOOOOUUGGGGDRRRRRNLLLLLLIIIIGGWWWWWWWW
SSSXXXXXSSSUUUUBBBBTTTTTTTTTBBBBBAAFFFFLLLLLLLLLIIIIIIIIIIIMMMMMMMMMMDDDDDDDQQQQQQFFFFFFQFFYYYBBBOOOOOOOOOUUGGGGGDRRRRRNNLLLLLLLIIGGGWWWWGWW
SSXXXXXXSSSUUUUUBBBTTTTTTTTTTRRBBBABFFFLLLLLLLLLIIIIIIIIIIIMLMMMMMMMMDDDDDDDQQQQQQFFFFQQQFQYQBBBBOOOOOOOOOOOOGGGGDRRRRROLLLLLLLLLIGGGWWWGGWW
XXXXXXXXSSUUUUUUUUUGGTTTTTTTTRRRRBBBFFFLLLLLLLLLIIIIIIIIILLLLLMMMMMMMDDDDQDDDDQQQQFQFFQQQQQQQQBBBOOOOOOOOTTYGGGGOORRRRROOLLLLLLLLGGGGGGGGGGG
XXXXXXXXSXUUUUUUUUUGGTTTTTTTTRRRBBBBFFFLLLLLLLLLIIIIIIIIIILLLLMMMMMMMDDVDQQQDQQQQQQQFQQQQQQQQQBBOOOOOPOJJYYYGGGGGORRRRROOLLLLLLLLLGGGGGGGGGG
XXXXXXXXXXUUUUUUGGGGGTTTTTTTRRRRRBBBBFFFFFFFFFFFIIIIIIILLLLLVLLLLMLMVVVVVFQQQQQQQQQQQQQQQQQQQQBBOOOOOOOJJJYYYYGYGOOOOOOOOOOLLLLLLIGGGGGGGGGG
XXXXXXXXXUUUUUUUUGNNGGTTTTTTTTKRBBBBBBFFFFFFFFFIIIIIIIIIVLLLVVLLLLLLVVVVVFFQQQQQQQQQQQQQQQQBQBBBOOOOOOJJJJYYYYYYGOOOOOOOOOOLLGGGGGGGGGGGGGGG
XXXXXXXXXUUUUUUUGGNNGGTTTTTTTTTRBBBBBBFFFFFFFFFIFFIIIRRRVVVVVVVLVVLLVVVVFFFQSQQQQQQQQQQQQQQBBBBBBBOOOJJJJJYYYYYYGGGOOOOOOOLLLLGGGGGGGGGGGGGG
XXXXXXXXXXXUUUUUUNNNNTTTTTTTTTTBBBBBBBBRFFFFFFFFFFFIIRRRVAVVVVVLVVVVVVVFFFFFQQQQQQQQQQQNQZQBBBBBBBOOOJJJJJYYYYYYYGOOOOOOOOOLLLGGGGGGGGGGGGGG
XXXXXXXXXXXUUUUNNNNNNNTTTTTTTTTTTBRRRRRRFFFFFFFFFRRRRRRRVVVVVZZVVVVVVVVVVFFFFFQQQQQQQQQQQQBBBBBBBBOOOJJJJJYYSYYYYGGOOOOOWOOLLLGGKGGGGGGGGGGG
XXXXXXXXXXXXUUUNNNNNNTTTWTTHHHTTHRRRRRRRFFFFFFFFFRRRRRRRVVVVVVZZVVVVVVVVVFFFFFFQQQQQUQQBBBBBBBBBBBORBQQQQQQQYYGGYGGOOOOOWOOLLLLGGGGGGGGGGGGG
XXXXXXXXXXXXUUNNNNNNNNTWWTTHHHHHHHRRRRRRRRRRRRRRRRRRRRRRRVVVOVVVVVVVVVVVVVFFFFFFFFFQBBBBBBBBBBBBBBBBBWWQQQQQYGGGGGOOOOOOOOOLLLLGGGGGGGGGGGGG
XXXXXXXXXXXUUUUNNNNNNNNNWWTTHHHHHHRRRRRRRRRRRRRRRRRRRRRRRVOOOOVVVVVVVVBBVVFFFFFFFFFFBBBBBBBBBBBBBBBBBWQQQQQQYGGGGGOOOPPPOLLLLLLLLGGGGGGGGGGG

157
src/bin/12.rs Normal file
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use std::collections::HashSet;
static DIRECTIONS: [(isize, isize); 4] = [(1, 0), (0, 1), (-1, 0), (0, -1)];
fn dfs(map: &[Vec<char>], visited: &mut [Vec<bool>], x: usize, y: usize) -> (usize, usize) {
visited[y][x] = true;
let mut area = 1;
let mut perimiter = 0;
for (nx, ny) in DIRECTIONS.into_iter().filter_map(|(dx, dy)| {
Option::zip(
x.checked_add_signed(dx).filter(|&nx| nx < map[0].len()),
y.checked_add_signed(dy).filter(|&ny| ny < map.len()),
)
}) {
if map[y][x] == map[ny][nx] && !visited[ny][nx] {
let (narea, nperimiter) = dfs(map, visited, nx, ny);
area += narea;
perimiter += nperimiter;
} else if map[y][x] != map[ny][nx] {
perimiter += 1;
}
}
perimiter += DIRECTIONS
.into_iter()
.filter(|&(dx, dy)| {
Option::zip(
x.checked_add_signed(dx).filter(|&nx| nx < map[0].len()),
y.checked_add_signed(dy).filter(|&ny| ny < map.len()),
)
.is_none()
})
.count();
(area, perimiter)
}
fn dfs_border(
map: &[Vec<char>],
visited: &mut [Vec<bool>],
border: &mut HashSet<(usize, usize, usize)>,
x: usize,
y: usize,
) -> (usize, usize) {
visited[y][x] = true;
let mut area = 1;
let mut perimiter = 0;
for (i, nx, ny) in DIRECTIONS
.into_iter()
.enumerate()
.filter_map(|(i, (dx, dy))| {
Option::zip(
x.checked_add_signed(dx).filter(|&nx| nx < map[0].len()),
y.checked_add_signed(dy).filter(|&ny| ny < map.len()),
)
.map(|(nx, ny)| (i, nx, ny))
})
{
if map[y][x] == map[ny][nx] && !visited[ny][nx] {
let (narea, nperimiter) = dfs_border(map, visited, border, nx, ny);
area += narea;
perimiter += nperimiter;
} else if map[y][x] != map[ny][nx] {
border.insert((i, x, y));
}
}
for (i, _) in DIRECTIONS.into_iter().enumerate().filter(|&(_, (dx, dy))| {
Option::zip(
x.checked_add_signed(dx).filter(|&nx| nx < map[0].len()),
y.checked_add_signed(dy).filter(|&ny| ny < map.len()),
)
.is_none()
}) {
border.insert((i, x, y));
}
(area, perimiter)
}
fn main() {
let text = std::fs::read_to_string("input/12-1.in").unwrap();
let map = text
.lines()
.map(|l| l.chars().collect::<Vec<_>>())
.collect::<Vec<_>>();
let mut visited = vec![vec![false; map[0].len()]; map.len()];
let mut sum = 0;
while let Some((x, y)) = visited
.iter()
.enumerate()
.flat_map(|(y, l)| {
l.iter()
.enumerate()
.filter(|&(_, &b)| !b)
.map(move |(x, _)| (x, y))
})
.next()
{
let (area, perimiter) = dfs(&map, &mut visited, x, y);
sum += area * perimiter;
}
println!("{sum}");
let mut visited = vec![vec![false; map[0].len()]; map.len()];
let mut sum = 0;
while let Some((x, y)) = visited
.iter()
.enumerate()
.flat_map(|(y, l)| {
l.iter()
.enumerate()
.filter(|&(_, &b)| !b)
.map(move |(x, _)| (x, y))
})
.next()
{
let mut border = HashSet::new();
let (area, perimiter) = dfs_border(&map, &mut visited, &mut border, x, y);
let mut borders = 0;
while let Some(&v) = border.iter().next() {
let (i, x, y) = border.take(&v).unwrap();
borders += 1;
let (dx, dy) = DIRECTIONS[(i + 1) % 4];
let mut j = 1;
while Option::zip(x.checked_add_signed(dx * j), y.checked_add_signed(dy * j))
.filter(|&(nx, ny)| border.remove(&(i, nx, ny)))
.is_some()
{
j += 1;
}
let mut j = -1;
while Option::zip(x.checked_add_signed(dx * j), y.checked_add_signed(dy * j))
.filter(|&(nx, ny)| border.remove(&(i, nx, ny)))
.is_some()
{
j -= 1;
}
}
sum += area * borders;
}
println!("{sum}");
}