AoC 2021: day 8 solutions

2021/inputs/day_08

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+cgaed gcdbfa gcfaed gfcde gadfceb cdbfeg acg eacf eabgd ca | agc efcgbd cag eacf
+ga ega edgfa cafed gabd cefagdb begfad ebdgf fcbega cbgdfe | bgdef fdgeb dgabfe gea
+ged eg acfgd fdceb cdbefa dgcfe cebfdg edcbga egbf ceadfbg | dfcge dacegbf gcdbaef fdceg
+cbefg fedbcg bfdg abgedc fgced edcagf caefb gb fedcbga beg | bdfg cbeaf cfdebg gbe
+gecdab gbafd geabdcf ecfa dbcfge cfb afgbc efgbac cf cgbae | fbc fbc cfebgad cf
+cbdef febdga fba ba fadecb cgfea adbc cbafe fbedcag egcfbd | dfgbae fdcageb adcefbg efbdc
+gecdba ecafbg ecabg bgacfd gecaf feba aedbfgc fca gdfec af | fac af cfa eafbgc
+geab adgfc gacef acgefdb gecfba eg dbfgec beacf afedbc ecg | baeg fgadc fagbce edfgbca
+gebcfad dafceg gdcaf bdfgea ab befgc gfbca bdca gab dgabcf | bga fgceb bag gfeabd
+efgcdb egd gceaf dabgcf ed acegd gdbaefc dabe dgacb adcebg | afecg ed de egcfabd
+eb efb eafgbd bgce adcfe fbcgd fgdbac bdefcg fcdbe fcebadg | ecgb bcdagef bcge egfcbad
+cafgbde aced gfdaec defgbc ce gec gfdca bfgacd afgeb cegaf | cafegdb efabg cfbged eafgdcb
+gcedba dgbe eba ecadgf bcfda bfegca eb gfecadb abcde egcad | eb be bea aeb
+fgcd bcf edfbg dbgeafc fc efdbc fcdbeg beacd adgebf aebfcg | cf dgcf cf dceab
+decag bade ad gda gadceb fgcbae adfgcb dfecg gceab edfgcab | adg gbcae gda da
+adbgfe fd dbgf gdeaf agfeb agcde gedabcf afcedb gbceaf daf | afdeg bagefc afd bagfecd
+cgeabfd efbgac dgcfba gbfd dcageb dga gd bgcaf fgadc aecfd | fbdg agd fgcbade gdfb
+efdgc gfdb cegbfd bdefcga bcgef bacdge eafcd afgecb cdg dg | gd dgfce dg dcg
+edgabc cgaf gdbfa cafdgeb dbfacg gdc adfebg fgbcd gc bcdef | bgacfd cdg ebfdc cafg
+bcdfage ebgdac dcb adce cd acdgb bcfedg gbace dbfag fgceab | dcebfga caed eacd bgceda
+fd gafcdb feadcgb dacefb gdfab fagcbe gcdf bdf edagb gacfb | dfb gcfabe bgdaf bfd
+daefcb cg gfdea ceg ecfabg beafc gecdafb eafcg bcfg abdcge | gec egafc eabcf edbgac
+degafbc fgeac gb acbeg bcead dcafge bcfg gbe bcgefa edafgb | fbaecgd bcgf beg bg
+adeg ga agfcbde gadefc fbcged acg gefdc gcbeaf acdbf acgfd | cebgfda cag cfegab gac
+bfegda eag dbcafg gfedabc fegcab afgbd ae faed dbaeg bdecg | fadgcb afed bgadcfe ecgabfd
+bcdga bgd cdfag dbaec dcfgeab cadfeg gb cdgbfa fdcebg gbfa | bdg bg adcefbg efagbcd
+acfgbed eagdcf cgdb db gdcbfa acbdf cbefa gadfc gbadfe bfd | bfd acfbd db gfdeac
+agbed geaf cfbgaed dae ae deafcb fbcdeg dgefb dgcab fbegad | defabg cbdafeg febdcga acbgd
+bcade fdecba bgceaf acg ecdfg adbg cgfdbae bcgead ga eacgd | cga afdceb cdgbea ga
+agcefb cbfdaeg fabce eg dcgfb bcadfe gace bedagf gbefc beg | fegabd ceag ge dbeafc
+efbgc ebgfa dacegfb daegf bcfgea dbcgef abfc agbecd ba bag | ab ab dcegbf cbaf
+aebf fed fdbacg fe gdeacf egdfb ecgfabd gcdbe fbaedg fabdg | def aebf fe ef
+adf cgabfd daegf af edfgc egbcfad gcbdae ebaf gbeda faedgb | feba eafb feba abgcdf
+gab gcfb cgbdae defab afbdg acefdg bfgdac bg eafcbdg cagfd | bfgc fdbgeac cbaegd cfbg
+eagfbd fcbgd baceg dba bcdgfe facgbd da dafc cgafedb bcdga | fdca afdc cbfegd gebfdac
+feacgb gbfac dag dbac cdfgea gfebacd gfdeb gdfba da dfgcab | dga aedgfbc ad cdba
+cfdabg ecag ecgadb eg ebg faebd dgbea dacfegb gbdca bgfecd | dgcefb baedg ecbafdg bge
+bfdec fgdbce debga adecfb fa face dgfabec bfdae gacbfd bfa | afec af fa cfea
+fcbad ecd fbagecd deabg gaedbc fgbdae ec adbce aecg ebfcdg | ec gcea ced ec
+dg efbcgd cfdbaeg cfdga adeg bagcfe caefgd gdf feacg cdfab | gaedcbf abcfd dg dfegca
+fdgbe gbc egfcdb cbdeg dcbf ecgad bc gcbafe beadfg bgdface | bfcd bfdc gcebfda bc
+gace gcefb cgdebf ac cfa fbeac fgcdeba ebafd bagcdf gfacbe | ac feacdgb bcfea gafbdce
+fcbega dfgcab gacbedf fgeca cbeg gc fegdba gac ecfda egabf | cbge ebgc gdebacf gc
+cbga bdceaf bgfdec ba efgab aeb efcbga gdaef egbcf abgcdef | bacfde cgafbe dbcgaef fcgebda
+fdcba bgfcd fdbaecg fcgaeb cegd bfgdae dgefb dfcgeb gc gbc | degc cgb cegd gdbaefc
+caedgf bge dacbg be dbfecag cgbefa eagfc ebaf ecbag fdcbeg | beg eb agceb egfdac
+dacgbef gebdfa bdcfga cgd adfgec cd cdba cdfbg ebcgf fdgab | defcga bcda acbd bgefc
+fdgac cebf baedc dceaf adfcbe bfedga edgcba fe fed edabfgc | adcfg dagefbc egbcda fdceba
+dagfbc fceabd fgbc edbcafg bdf bf bdgae afgcd fbdga gaefdc | gdcbfa bf bf fbcg
+dgfcb abdfe fgadbc cfbgae gadfb afg cdgbefa cagd fcgdbe ag | gaf dabegfc fadgb ebacdfg
+gbedc faced dfb fbegadc fcdbe fcdgab bf bdafce beaf edfacg | bf fb bf dfb
+aegcfb dacgbfe fc ebcag acgebd acef cfbag cgf cbedfg fagdb | acgeb cbega bfdcgea debfgac
+dgcfabe bgad eab agedc befcg cbaegd cefabd gaecb dceagf ab | bagd agdfce bea ba
+fgbde fgba efb bf fcdgae afdeg afbecd becgd efdcbga dfegab | bgaf fb bf gefad
+fb acgefb egafd baf adefb dcageb bdafce aefgdcb decab cbdf | dfcb afb fb begfadc
+edcaf dgabfe ceb bgdc cb gaefcb fdgceb ecdfgba begdf bdcfe | cb gfdceab dbcfe bc
+gedfcba bcdaeg dgae gca gdcbe afbdgc gfdcbe agcbe eafcb ag | gcbeafd agc bdegafc daebcg
+aebcfg fagdc fcgea fgdebca ecabf ge feg bcge fgadeb cdebaf | fgeca ecgb eg gcafedb
+aegcf becgdaf cbfag bafcd gcb cfgbde abdfce acdgfb bg dgba | egfcabd gb abdg gfcae
+egcab adfegb gc febgac dbcea fgce bgafcde cdgbaf fbgea cgb | fgce bgc gc cg
+cabfe dfa agdec df aecdfb cfbadg fagceb befd cfade dbaefgc | bcfgad faebcg df df
+gcab fbeadcg badcf ag fgaced gfabdc dgbfa fag bgfed afdbec | fabcd cdbfgea cgefdba gaf
+ae bdefac dacbf ecabd afdecgb feacbg eba aedf bcgde dfgcab | bae edaf ae ea
+fdgba bdgeca cgb fdgec gbcadef dgabef bcagdf bc fbac gbcfd | cbg bc cfbgd dfcagb
+afdgbce geac egfdca acbedf fgdce faced eg efg dgbaef bdcgf | dcfbeag afbegcd ge cega
+daf fdaeb df dbfg dbeca egfab cegabf cfeadg cbdaefg dfbaeg | fda agfbe dfgb afd
+gdcabe bfc dgbefca fc aebgc dcabfe efbgac fbcga agbfd efgc | bacdeg bfc cf bcgdeaf
+cf fgdbe deacfg dbcea efdcb bfcg fdebcg fdc befdag gebdfca | cf cgbf fdegabc defbgac
+gdfba fceadg cb fbcgd cgeb cdefg cdb bdfcae fgdcbe gbedfca | dbc cb fgbdc dfcagbe
+dbgcaef dbfc eafgb fd dgbaec bcdag daf dfcaeg bdgfa bfcagd | adf fd df cdaefg
+cd cfedb cgadebf efbgc abdfec edfab cadefg abcd dcf gbeadf | dc debcf fdc fbagcde
+cgdfbae fe gecfd defb adcgeb caefgb fge dcgeb cgedfb cdfga | fe fge befgac fedb
+egadb bdfge gcebdf ga cfdgabe edabc gdfa beafgd abg bacgef | fdga fbcdeg fedagbc bag
+gbdea bfaeg fba gabcdf gadbec bf dbef egabdfc cfeag dfbgea | fb bacegfd dfeb bf
+ebdac becfda bd bedfga edgcafb bed aecdg ebafcg dbcf abfec | cdfeab dbe cdfb ecabfd
+gfbac dcage dfgace abgfed fgcdaeb fd agcebd defc gafdc gdf | ebdagfc gdf cdef dfg
+bcfdeg dgceaf cea fecgb cbafe ea geab adcfb bdfgcae gcefab | egbcfa geba gdecaf caebf
+gd agebc fgcd dbg fdgecb egfbda fbdgaec fcdeab bfdce bcdeg | caefdbg cagfebd debcfga cdgf
+edc acged fcea ce dgecaf ebgdfc bcafgd fdcga acbgedf aegbd | gbfadce gbdefc ce afec
+gfebd agbcfd acdbf caefdb abgefc gbfadce abe eacd ae dafeb | ae dbcfgea ea edac
+aebcf dea gdacfe gfad adcgbfe caedf gbdeca ad dgcbef cfdeg | ade fdecga ad eda
+eabgcd gdaeb faebgcd gaedf fdcbea efd ef efgb fgcad daefgb | gfbedac fecabgd fceabd dbfaec
+cbeaf bafceg bfeg bcf bdcfag cdeaf fb edbcag bgeac cbgefad | abceg fb ebdafgc bf
+ced aecgfdb fdecgb gcefa agde ed efdca abfcd begafc agdfce | gead bdacf abfdegc decfa
+cda gdcaeb cadfe ebcagf cbefa dfabce gfdae cdfb cadgebf cd | dca cd bfdace aefdg
+gacfbde bg degcaf gfbce aefgcb cbdef egcfa acgb bge gfaedb | cagebdf dfaegc ebgfac bagc
+aefcd dfgea dfc cf fedcga cbdea adgefb adbgcf gecf gcbefad | cf dfagec fdc edfcbag
+gefbd adgf eafdb gd gecfb fedgba bgd acbfde cdfageb adgbec | fbdgaec dg gdb aecbdfg
+cdfabe cfga cg dcefa gce eagbd agced fcdeag gcefbd bdaefcg | gaedfc ecadgf gcfa dbega
+dgcea cfgebda dagb fgcaed bcg bg bcaef cedabg bcaeg cegfdb | cgbade bfdecag aedgc gfcbdae
+dbcfg cdfeg dbf befagc debfac agbd dgbcfa dbfgace db facgb | bd fbd bd bd
+dbefga efcadb cgdab cdbfa gad fdcbgea gbaec dg fcdg acfdgb | dg dgcba fgcd dg
+ebag gbafed fbdgac eb bdfag bef dfbge abegdcf fedcg acbdef | fgbade gabe edgbf fgcbdea
+deg bcgfad efdagb fedagcb eg ebcg cdafe decfg dgcfb dfcbge | cdbgf cgfedba bcge eagbdf
+egbdc efbgdc aec bagfecd eagcbd gbface ae adbe fadcg gcead | eac eca egbadc eac
+acedb fdcgea degabf ebcafd eb fceb agdbfec deb cgbad feacd | eb edb agbcdef cdabe
+gcdbfae eadb feacg ad dbcef dac bcedgf dbacgf cfdea bdafce | fdcbe dca fdebc caefg
+edfba cedf cebad ecdfab decabgf acgbe cgabfd ebgdfa adc dc | cad adc baecdf efabd
+caeg dbefg egdba afgbcd fbdcea cdgafeb ag agb bdecga adecb | ga gdaefbc ag dbeacg
+bf bagdcf gbfa dgaecf gdfcb fdgbcae fdb bfcdea gcebd cdfga | febcda bagf fb fgba
+cgbdef begfa agebd bdac da bgeacd ecdgb aed defacg cdbgfea | cbgdef da dbca ad
+aebfdg aegbdcf cdebg ebgcdf ef cbef dgbcae gfe gfcda gfedc | gcdbe fge efcdgba fe
+befad bcdf fce bgcaefd gaefdb dacfe cbefag gaecd caefbd cf | fce fc fdbc fc
+gecab gfeca eafdbcg bgcdae fdcgeb gbc dceafb gb dabg abedc | agbd gafce gcaeb cdbgea
+deabf dfg fcedgba bfgc fg cbdeag fedcga fbcadg cbgda afdbg | gbcf bgcad gdbca cgfb
+bcafgd gefba acg abec decgf gbacef ca gafdbe cafeg bgecafd | afgec fgecdba gbadfc bgcadfe
+febcgda ebga dgbecf efadbg ceafd eb edb bdgfac fbade fgabd | fdgba edb egab fdbga
+dgb dbce faebcg bd gfbdac fecgb gbfcade bdgef bgfdce edgaf | bd db dbg bcdgefa
+fdaeg afebgc dcf gcafbed cbfge dc dbcg bcfegd cbdefa edgcf | bcafge bagcfe agedf bgdc
+cgfb bacgdfe bdfeg fdebcg cb cdb edgfab edfca becdf gebacd | cdefb acdegb bc afdbeg
+gbdcaf gfbad gfdabce abfdce debagf gcfad ac gfced fca agbc | fca agcb egfdab gdcabf
+cedbagf edagc bge bcdge gbad gb bgefac aecfgd bdfec cegdba | gbefadc febgadc ebg cagde
+dfecga cdagbfe aegcd cdfg fegab bcfaed egafc cbegda fc fac | cdfg gdfbcae caf fc
+gecdf agdfe dga cfda cegbda bafeg ad caefgd dfagceb bfgdec | dag gefdca cdfbgea afbgdec
+deabf gdea bcaedf agdfeb dfg gd dcfabeg ecfbg edbfg bgdfac | gdf ecfgabd badgfc fgd
+gfabc gafce adeg bgdfce dabgefc eacdfg ea dfcge ebcafd afe | agcedf fcgedb fcdaeb becgfd
+dcbgeaf dbafec cafde beagdc gd dafg cfbge dge fegcda fgedc | dagf dgefc gd agdf
+egcbdf dafe dfbge adbgefc eadbg egabc gcfdba abgedf dba ad | begdf efabcgd eafd edaf
+cegd bcfde gfbcdea efdab dbcfg cef efbcdg ce abcfgd aecfbg | bedfc bfeda egcd dbefa
+abdceg acedg efbcg ab bcad gcabe bdfage afdgce agebdcf gba | gadbcfe gbeac bdgeacf fbgec
+dfba fcebad afgebc dbcea fcgdaeb befcd ebf gcdef fb eabgdc | bf efb bef agbfec
+cfgde geadb fgdbec gfcb fbd bcfade egdbf adcefg bedcagf bf | bf fcbg bdf gdcefba
+edf fgdbce agcfbe efbdga dafge beda de cbgfeda cdagf gafbe | ed gfead fed gcafd
+ebdg fcbedg cdbagf de fbedca fecag daegfcb cbgfd cedfg dec | fbedcg cde ecd bgefacd
+fbecgd gefca bcefa fgbeda deabgcf gc adgef cgad gfc gcefad | gc gc cfdega fcg
+cgefab afb abgfde gadfcbe fbgced dcbga fa gebdf gfbda efad | cegbfa fbegda edgbf baf
+dcbfg adce cegbd ed egcdbfa befagd bgace bcfaeg bdacge egd | fgdbeac geabdc begcadf acgefbd
+ebgfac dabcfe fea bdafcg ea defbg aecg fcagb cafebgd abfge | gcfab gbfea afe efa
+fdb beadfc decgb fd acdf dafbegc cfbed fcbaeg cabfe agfbde | fdb dcegb eabcf efcgdba
+cbad dae dcbge feabg da gcbdef gaedb dbcegaf edagbc dgecfa | ade ade da adcb
+fbe dcbefg fe adfbce gebdacf fbadcg baceg bdacf fead fceab | debfgc ef ef bcaeg
+ab cbgdfae cbdagf dceabg ebad bag gdbce edfbcg cefga ebcag | dabe ba fagdebc gcbde
+cdagbf fcadbe gac acgbd bgcde cgbafe eabgcfd ga adgf cbafd | ag agfd adfg cbgafd
+edca eagcfbd dbgae dge ed bgcad bdcfga fagbe gbcaed gebdfc | cead gde deg fcdgbe
+edb abfgecd edgf fgaeb bdage cadgb fdcbea de fbedga abfceg | eadfcb bedgcfa bed dbe
+faedgbc cfebad dbecf afeb ab afdcg dba adbfc aedgcb ebfcgd | dab fcgad dbgefca dcfga
+aedc dagbcf afbdce gfbed cd efbac acefgb dcefgba cfebd dcf | fbcagde eadbfcg cd bedfg
+agedbc egdcb eb bgea bedfac dbgca cgfde edgabfc cbe dbfcga | ecdgb fdcge bega dfebca
+dfbeac gcdefa cf fbcea ebadf efc gdfaeb abgce ebfcdag fdcb | ecf bgeac fc fcbd
+gacdef dbeaf dgaefb fc dcafgeb ebcdfa gbecd bcdfe cdf abfc | cdf fdc egfbdca cf
+ecfdba be bgce fcedag abdfg gbfed acgdfbe cefdbg cefgd dbe | deb be dfbag cgeb
+bfgac acbfgd fga dgbca gbaefd efgcb cdefbga dgeacb af fdca | fadcebg fa adfgbec fa
+dbgeac gd decg dabegfc dbeacf eadcb fdbega adgbc gbfac dbg | cdeg dabgc ecdba agcdbe
+daebg ecgfd cbfeadg eabf degcba fgbdca afg gfaedb gfaed af | dcabge baef agf feab
+edcgab dfcbage bfga becgfa gca efdca gfbdec ga becgf fecga | ebagcf gfba bgaf ebfcgd
+bdfeag dcbfeag eg cdge afbec gea ecgaf fgadbc fcgeda fgdac | eg eagfc cdeg egcd
+gdbeacf dfcgba ebafd ag bgaecf bcfgd afg gdafb bedgfc dacg | dgac gdca gfa gefbca
+afbedc bfd gdbce bedafg gdfeb bf eacbfgd gefad agdefc bgaf | feagd bafdge fbag bdcafe
+cae becgad gdabe ac cagb cgafde ebdac fcbde abcdfge degbaf | dbefga adcbge dgfeba fegbdac
+caedb adb ecfgdab gdaec gbdeca ab cgdefa fgdcab dcbef eagb | gfaedc ba ba bcgafd
+dcefa gcd agdfc bgeadc dg fgceabd dfgaec dfeg gbcaf dbfeac | bcgead fgacebd gcbaed bagcf
+adbgce cd cdeg adc bcedgaf fbeac bdace ebdga afbged cbdagf | dac gedc cda dc
+ad dfbce cdabf fgbca edbcga fead ebdgcaf bgfedc dac bcfade | eafd ad fgcab fbaecd
+bfgdae baegf cbfeagd ebdaf fedca dabg dbe efbcgd db abgfec | bdfeag egbaf db gbda
+gcfea eafdb eabgcfd egafb gadfeb gb fdgb bdafec ebg egabdc | decabf acdgfbe dbfg bfgd
+gebaf cedgbf acbeg cbagdfe fbe acbf gaefd gcbdae fb gecfba | agfdceb bf bfca acbf
+cegabfd fc gaefbd cbdea fadec fecg afc gecadf cbgdaf dgefa | cfbgda fac dfeca abgdcef
+ab gdfea egba afegdc fdbae cfedb bad aefdbcg dgfcab egdbaf | facgdb abfedgc ab ba
+af fgbeadc ceadg cfeagb fgdbae efa egfad efgdb fdab begdfc | dbfeg fa af bafd
+dfgecb cgabf cdaefbg adbcge dabeg bec ec aecbg febdag aced | aebgfcd fgedba aedcgb adecbgf
+bcadef cbfgd dcagbf dfe febg befcgd degfc degac bfagced fe | fde efdbgca gcbfdae fgbe
+fgd edfc fgedca gafdebc febga agedf eadcg gdebca dacbfg df | cdef dgeca bdcfga efdc
+aedcfbg dfceba eb caegdb begca fbacg bea egdb ecagd dgcafe | eba gdeac abe bgde
+cg fcdg deacbgf cdgbaf fbcea abfgd gac badceg facgb dbfage | dfcg fabedg gc cgebda
+bdgae eg defba gcedab bgadc dbfcag egbc ged gafcde cfbagde | geafbdc bfead ged bgead
+agefc cgdef cgfdea ca fcdabg fecdgba aedc bgfae fac dgcbfe | fgecd agefc gafdec ceafg
+ca cagbfd efbdc fac afecd aebc cadbef gfaedbc dbgefc feagd | ac dfgcabe defbc cdafbg
+cdb ecfab gbcaed cafdg gbfd db adbcf cdagef afgcdb cfdebga | db bcdgae dbc db
+begfcd ag cgaebf gfbcdea bdgeaf gead bgadf agf fdgeb acdbf | gfbad ag fadcb ga
+ad gbced dab bcfage adbge afegb fcagdeb fbdaeg dagf acbdfe | fadcgeb bedga gdfa gdbeaf
+begfdc fgdcb fgadbe caebg cagfdb efg edcf ebcgf ef efbdgca | degafb gef fagbcd feg
+ecfdg gfbed gdac acgbfe cdafe bafdgce gec dfecga cg afcdbe | cg gc abcdfge ceg
+deabg gea egdfcab bgcda gbfe fdbgae efcdag fadbe eg efadcb | gafbcde ega gfeb dfgbcae
+ef gecadb adbeg defbg fcbgd fgae feb efgabd bedfca facbdeg | efb bef ef agef
+cefga cfd fcebdg ceagbd bfdg bfdeac gcbde gfdce agcdfbe fd | faedgcb fdc dcgfbe cdf
+dfce cgbfa gbadef df bfd gaecdb ebdgcf cgbde gdcfb acgbdef | fbd fd cgfba fdb
+dca da bdfgc cadbef ebfacdg eadb bfeac fdcgae bfcad fgecab | adeb abcfegd gbfcea ad
+gcedaf gfdecb gb caefg cebga fgacbe fabg dcabe agbfced bcg | agfb begca dcgeabf bg
+dbgac cdf fagde fedbacg fgdabc acdbge dfgca ecafdb gcbf fc | bcgf cfbg ebgcdaf bdagc
+ed fedag dge gceaf dfabg dcfe afdegcb aebfgc dgbaec dagecf | acgefb de afdeg gcdeba
+dca fcbdg fgecab ad adbcg debfgca ecbdag gceba facged edab | acefgb ad gfebdca fcdaegb
+edaf gfeab ebfgda dfbga dacgb gfbceda bgeacf df gfd bcdgfe | df fdg aegfdb feabg
+bcfagde dgabfc beafc geca fgcaeb fdbec ac fca gabfe gfdaeb | gcfbead fca gebfa caf
+aecbg cfeagd cadfbe dgceb cgfae edacfgb fecbag ba abc gfba | ab bca bca fbag
+bdc aebgc db cdgef dagb geabcf ebgacd gdebc aedcbf gadfbce | befacdg abgced dbc bdceg
+egbacfd dabgfc beagfd ef dbef dgbaf fge gcfade cgbea eafbg | dgcafe befd feg fedb
+faebd cbdaf edfgab fdcbeg dfgbe ae dagfce bedgafc ead beag | dea ae abcdfge fgedbac
+gfabd fagcde cdbefa gaebdf ecfdbga gaefd fab aebg cgbfd ab | ebga fdbeagc fba gadfec
+bfa cfga acbfe edcfbga fa fagebd bdcfe aecfgb ebdacg geacb | gfca bgace gafceb gcaf
+dgbae dcfegb bgdfc fagbcd gca dafc ca dabgfce cgbda agbecf | cafd ac cag cga
+fcag egdca gc agedb cgd adefc bcfged cbefad egcfad efcagdb | cg dcg cgd cgd
+ea fdeacb eab bgdefc adgcefb bfdga face cbdfe bedaf dcgaeb | gcbfdae ecdgbfa bea bae
+acbe ecd feacdb ec egafd eadcf cbdaf fgcdba cfbagde efcbgd | dgcabfe ce bgfedc egdbfac
+cdageb badf gbfcad fcgab fgadebc gecfd bd eacfbg dbg bgfcd | febcdag bd fadb fdba
+adgcbef bef cgedba fbecag efbca baegc bf gcdbfe bfga acefd | agfb bgfa gbaf bef
+bcfade agcde acd edcbg feagcd gdaf dbeacgf ad eafcgb fcega | cad gdcefab dgaf ebdgfca
+df abfce degbc cfd acgfed gbdf bacfegd efdcb badceg egfcbd | cebgd bgdf bceaf df
+bfdc eabdf ebcad fgead bcdeag fba bf bcedgfa cdebfa bcegaf | defba cfbd bdcf fabceg
+dbaefcg ec aec dfgbea cafeg aedcbg gacedf egadf gfcba cfde | eac efcd ec egcfda
+ecgfdab gcefb bcfa af cgfdbe aegbf ebadg eacgfd gbecaf afg | aedbg bafc acfb dgfbace

2021/solutions/day_08.py

@@ -0,0 +1,113 @@
+"""AOC Day 8"""
+
+import pathlib
+import time
+
+TEST_INPUT = """be cfbegad cbdgef fgaecd cgeb fdcge agebfd fecdb fabcd edb | fdgacbe cefdb cefbgd gcbe
+edbfga begcd cbg gc gcadebf fbgde acbgfd abcde gfcbed gfec | fcgedb cgb dgebacf gc
+fgaebd cg bdaec gdafb agbcfd gdcbef bgcad gfac gcb cdgabef | cg cg fdcagb cbg
+fbegcd cbd adcefb dageb afcb bc aefdc ecdab fgdeca fcdbega | efabcd cedba gadfec cb
+aecbfdg fbg gf bafeg dbefa fcge gcbea fcaegb dgceab fcbdga | gecf egdcabf bgf bfgea
+fgeab ca afcebg bdacfeg cfaedg gcfdb baec bfadeg bafgc acf | gebdcfa ecba ca fadegcb
+dbcfg fgd bdegcaf fgec aegbdf ecdfab fbedc dacgb gdcebf gf | cefg dcbef fcge gbcadfe
+bdfegc cbegaf gecbf dfcage bdacg ed bedf ced adcbefg gebcd | ed bcgafe cdgba cbgef
+egadfb cdbfeg cegd fecab cgb gbdefca cg fgcdab egfdb bfceg | gbdfcae bgc cg cgb
+gcafb gcf dcaebfg ecagb gf abcdeg gaef cafbge fdbac fegbdc | fgae cfgab fg bagce"""
+
+def read_input(input_path: str) -> str:
+    """take input file path and return a str with the file's content"""
+    with open(input_path, 'r') as input_file:
+        input_data = input_file.read().strip()
+        return input_data
+
+def extract(input_data: str) -> tuple:
+    """take input data and return the appropriate data structure"""
+    patterns = list()
+    digits = list()
+    for line in input_data.split('\n'):
+        pattern, digit = line.split('|')
+        patterns.append(pattern.split())
+        digits.append(digit.split())
+    return (patterns, digits)
+
+def find_digit(patterns: list) -> dict:
+    p2d = dict()
+    for pattern in patterns:
+        pattern = frozenset(pattern)
+        p_len = len(pattern)
+        if p_len == 2:
+            p2d[pattern] = 1
+        elif p_len == 3:
+            p2d[pattern] = 7
+        elif p_len == 4:
+            p2d[pattern] = 4
+        elif p_len == 7:
+            p2d[pattern] = 8
+
+    d2p = {value: key for key, value in p2d.items()}
+    
+    for pattern in patterns:
+        p_len = len(pattern)
+        if pattern not in p2d:
+            pattern = frozenset(pattern)
+            if p_len == 5:
+                if len(pattern.intersection(d2p[1])) == 2:
+                    p2d[pattern] = 3
+                elif len(pattern.intersection(d2p[4])) == 3:
+                    p2d[pattern] = 5
+                else:
+                    p2d[pattern] = 2
+            elif p_len == 6:
+                if len(pattern.intersection(d2p[4])) == 4:
+                    p2d[pattern] = 9
+                elif len(pattern.intersection(d2p[7])) == 2:
+                    p2d[pattern] = 6
+                else:
+                    p2d[pattern] = 0
+    return p2d
+
+def part1(entries: tuple) -> int:
+    """part1 solver take the entries and return the part1 solution"""
+    count = 0
+    for line in entries[1]:
+        for digit in line:
+            if len(digit) in {2, 3, 4, 7}:
+                count += 1
+    return count
+
+def part2(entries: tuple) -> int:
+    """part2 solver take the entries and return the part2 solution"""
+    sum = 0
+    for i, patterns in enumerate(entries[0]):
+        digits = entries[1][i]
+        pattern_to_digit = find_digit(patterns)
+        
+        sum += pattern_to_digit[frozenset(digits[0])] * 1000
+        sum += pattern_to_digit[frozenset(digits[1])] * 100
+        sum += pattern_to_digit[frozenset(digits[2])] * 10
+        sum += pattern_to_digit[frozenset(digits[3])]
+    return sum
+
+def test_input_day_08():
+    """pytest testing function"""
+    entries = extract(TEST_INPUT)
+    assert part1(entries) == 26
+    assert part2(entries) == 61229
+
+def test_bench_day_08(benchmark):
+    """pytest-benchmark function"""
+    benchmark(main)
+
+def main():
+    """main function"""
+    input_path = str(pathlib.Path(__file__).resolve().parent.parent) + "/inputs/" + str(pathlib.Path(__file__).stem)
+    start_time = time.time()
+    input_data = read_input(input_path)
+    entries = extract(input_data)
+    print("Part 1: %d" % part1(entries))
+    print("Part 2: %d" % part2(entries))
+    end_time = time.time()
+    print("Execution time: %f" % (end_time-start_time))
+
+if __name__ == "__main__":
+    main()