Add day 8
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bfdcga cgdfe egfda cbfeda ec efc gcfbd ebcg gdfbec adcgfeb | bgdfc ec dfgae gefcd
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cafgbd bc gfdbae eacfb cbf debaf cdgefba fecag fbcdae ecbd | cdfabg cb adgfcb bface
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afg daecgf aefbgdc fbge fg dabfg efabgd cbadge abcfd gbaed | acbdf egbda adbge fg
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cbeafg fadce cdeabfg gbdefc ged ebcgf bfgd dg ecdgf bgedac | fgdb afcbeg gcfeba edg
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efd aegdb efgdcb bafcd acef dfaeb ef fgbadec cadfgb bfecda | fedgcb begcfd def gfdbac
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badce gbcda gad fgdc acbgf cfbage gcfbad gd dbafeg afcbged | ebdfag dfcbag gd fdeagb
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gdbcaf da dcbeg cad edcbfg gdea baedc afbec baegdc gbfaedc | gbdcaf dbgec da gaed
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bedga agbefd dbgfca gcafdbe begcdf gdabf abegc deb ed adef | bgade gacbe ebd cbefdg
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eg edfcab gfde abedf fbgdea bgcad gefcba agbed ebg eafbcgd | ge fbdeca bdcfega cgadb
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dgbaecf fegbd de fbgade fde gecfb ebda dbgfa dfegca dfagbc | afcegd fgdabce de efgdac
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dgafe deafbg gdecbfa fgcad beagd gfbcae efa dbfe ef dcgeba | gafedb debacg ef dfbe
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gbadcf bcade efdgbac bcf acebf bf egcfa ebdf acbgde cdabfe | fbcea eafcg fcbea dcbafge
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dcfbge ecdabg gfbdae afecb cbg cbgae gacedbf gadc cg bedag | bgdae becga bdcgfe ebcgda
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bde eb cgbfade cdgbef beag gabdf dafeb cadfe agdfcb eadgfb | begfdc dfbcga abfdg edagbf
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dcbgea fced cgeaf cfaged gdeac dgbfca fc badgfce cfg egbfa | fbcdag feagb cdef fcg
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gfdbc adebcg cbg dfcaeb cg bcaefdg bdgfec bdagf dcfeb egcf | fbgda aedfcb cfgbde defgcb
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daf cagfeb adeg dcbef cdgbaf da efcag fbdegca ecafd dcaegf | da bgeafc bgdfac ecgdaf
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gfdaeb gfde agebf bgf fg bgcfad afbde fdaecb dbeacfg eabcg | gecab baedf eadfb gcbdfa
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bagcfed eafb acfgd cebdfg ead agbdef baedcg egfbd agefd ea | gacfd bgfed fgdae bfdeg
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cgfab adcfebg cgdef eabc feagbd ebcfg feb eb bdfcga gbcfae | defgc bdcafg fgdec cegbf
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cdfab gdf cfebg decbaf gd dcgbaf gcbfd cgad egdbaf badcfeg | gfcbd gd cbgfe ecbafd
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faebd ba efacgd baedcf adcef abf dcfbgae dbac gdbfe begcaf | dcab dafec fecadg ebdfa
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dfceab egbadcf ba fdcbg feba cgdfae dbegac abdfc cba ecfad | defacg dgbcf gbdcf efcdbga
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cadgb bedg fgaceb eacbgd egbac cefadg gd cafdb eabgdfc gad | afgdce adcgb gbacd adg
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acb adcgf adcfeb baedg cb becagd bfcadge abcdg ebgc gfdeba | gdafc acfdeb cb aebgd
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fabcgd fcdgae facde bcafeg da geda gcebadf befcd eagfc adf | cfage fgeac fgdbaec fgeac
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bafeg fabcdg efdgabc fgdbea gdae ae dgafb bae ebgcf fcadbe | begcf abgfe aegbf efbadc
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fdeca cadegbf gce bafdge abcdeg dcgb ebcfga cg deagb dagce | bdeag aebdgf gce dbage
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fcgbde cdgaebf dgbaef fed bade ed adfgb efdag fdabcg agefc | gfdab adbcfg gcfae dfagb
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ebdgfc febad adbfc fc bdfcea badfge cfb eafc acdgb egcfdba | acbgd bgfead dfabc fcea
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eb ebaf cbdgef gaedb afgebdc febdag dgefac agbcd beg deagf | dgfcea efabdg egabd geafd
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cedfba efgbd gfbdac gfaecd bfa gdfba bcag ab cgdfa begdafc | dfbace dfgeb eafcdbg dfcag
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cfdbge gdbefac dabf dgbcfa gacdf gebca fb agefdc bcgaf fbc | afbd gbcafed acgeb ebgfdc
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fgbec fbgcd fdbaceg gafedc bfacge fge eafb agbced cbgea fe | abgce fadegc ebacg fagecd
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bdgec bgecfa fcbed debfcg acebfd gcb adbecgf gb aegcd gbdf | ebgfdc geacbfd gcb gb
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fbea bdfcag dceabg egfcd edcfbga abdge af adf dfbage egfad | fa deacgb agfdbce ebdag
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abdecfg gbacf fdbcge gfd dg gdafbc adgb acfde fadgc fbeagc | dcgebf dacgf agfbc cdagbf
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agcefd ged bdfagc ed ebdgf fcdbge dgfbc abegf cdfegab debc | cagdfe ged cgdafb bafdcg
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cebgad fdgea abgf fdbcae af baedg dgfeba dfbagce edgfc fea | dabegcf agdbe afe acfedb
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agdfe fedbcga gfedbc agcbe edb db fdba edbgaf gedafc abdeg | cdgabfe afegbd fegbcd eafgd
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dea abgdfe edgfbac egdab de cadbef adfbg gbcea gfde dabgfc | cdafeb ed bafgde ed
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adgfb cdgefa ea fea bcdef cfagbd fgecabd febda agbe fgabed | cdefb gbea bdacfg dcbef
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cadbg ea fdgeab afcedg dae ebcfdga cdfge afec dbfgce ceagd | fbeacdg dgcab bgdca dae
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ecdbfg caebd fcgde fgda aefbcg afedc fcabegd aef gcdaef af | ecdfa bdecfg fea dgcfbea
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dbcagf afgec fcadb ead daefc dbcgae edfb cagbdfe fcdbae de | egdabc fdagbc cgafbd afdec
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dgfabe egdcbfa beacdg dbcfg aefc cdbaf fbadec fa aedbc fab | eacf bcdfg efca ecbad
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defbgc gbdef cg edgc egbadfc cbgef gafdeb gcf eacbf gbfdca | fbedg decg cgf egfcb
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cfdgae abdgf gbcd cfdaeb afebcgd cafgd bdf bcfgad db gefba | egfba decgfa abfeg eafdcg
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dfagb gdbface adefbc gbfae gae begc acebgf fdgeca ge cefba | cgefab dfgace fecagd beadfc
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fedacgb ed cabdfg bfgade dbaefc gdfba def gead bgcfe bdfeg | adcefb gdbaf egad caebdf
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agfbed ecfbg cdge cgb fcgbde ebcaf adfbcg dcegabf cg efdgb | bdfcga bfeadg ecgfb cg
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bec becfdag bgcaf eb debf adcef cefba fbcade acbged fcadge | edacfb fdeca fgabc cgafb
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bfcae gabc fegcdb adefgbc bcgfae gfb fbgea fdabec adgfe bg | dfcgeb fgbae fgb bedgfc
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afedcbg ed dfagc gefcd dec agbdec bfecg gfedca efad dfabcg | edaf dec begadc dfagbc
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cgebd befcadg ecg ec fcde dbfgc fgdabc becfga aegbd bfcged | cbgafd bcgfd fedc gfdbec
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dfabeg acfebd bgfcde begfd bcagd cdafgbe gabed aeb fgae ea | gbedf gdebfa bfegcd bgefd
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gdf dagec gf cfdbega cfdba edbcga ceadfg fcdag aegf cdbfge | eafg fgd dfg bdegcf
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bcfae fabge cdegabf cdae ebc dfcba ecbdfg ce dagcfb fbedca | fdagcb bcedfa fceabdg adce
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cgbaf ad fgcadeb cbfdae fbgdac bgda egdfc cefbag adc fcadg | cfdgbae adc ecafgb dgabfc
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bafdc cfb cf abcfged acdbge dbgca aefdb afcg afcdgb gbefdc | dabfc cagf efbcgd abecdgf
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de abgefdc fbed adbcgf gaecf eda aebdgf adbecg fegda bfagd | feagbd dbgfac ade adgfe
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gacefb faebcgd decfgb fa abdgfe afb fdbge dacbg adfgb edfa | dgbac abcgd gbadc adbgf
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fbadg fgbde fagebd agbcf gad gfcbed abde da cbdfaeg afegdc | ecfbdg agd efdgcba aefbdg
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cbdge gfecd cfe cafgd dbfe fe bgefdca gedfcb gebfac dgbcea | dgecb bagcfde gecbaf gacbef
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dfgecb agbfe dbeacf ebcdf cbad cadfbeg ca cfa abcef edfcga | afgdbce cabd fcbdae becaf
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abcd fbade befdcag da fecdag ecfdab bgfced bfedc dae gbaef | da ebfdc cabd cfedbg
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ecdab cfaged cbfd cfebad begda agbfce fecba cd acd fedcbga | cfdage daecb febca ebacf
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fcdageb beadf dag dacfbg bacge deabg dfcabe gdbaef degf gd | bafcdg dgafbc bdaef gd
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febcg cefbagd fegdbc bfeac ab gcba bfa fdbega cedfa cgfeab | eagbcf cbgef afb fcgbae
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egfac acbdge fadcbg bgcedfa bdcafe bf ecadb fdeb fecba bfc | fgdcabe dcbfga aegcf fbcadeg
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gcfebd acdgb faedcb gcdfb fd gdfe fcgbe fgacdeb baefcg dbf | cgfdb bgdcf gabcd edcbgf
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aced fbacg adbcf cd fbade cdb decfbg faegdcb gedabf ecdfba | bdfae fdgcbae fdbgec fdecgb
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gdbeac dfcaeb afbgecd dbcgf af fbacg cegbfa fba cagbe geaf | fgbdcae eabcg caebg afeg
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ebfda dgfbe ae fcbgead deafgc fdbac eaf gaeb ecdbgf ebfgad | baedf debgfca efcbdg ea
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dgcfe acbef cgaef fbdgace ecafbd gcebfa ga age gdfeba bgac | adfbce ga cegfa abcg
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abcgd facd fag eacfbg gafdb fa bgfacd dcgeba befgd efgacbd | bdcegfa gbdaf cbgda egabcfd
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bdefcga aecbg cgde agbed ecabfg dgb befda gcadbe gdbcfa dg | acgdeb dgb bfaed adbeg
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cefgb bde adgceb dafgebc aefd debgaf gfedb agfdb de cgdfba | defa edbgf afbdg bgfad
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fa caefg egcab fca gdbcea abef bceagdf dcfge acgfdb afbgec | abfe faebcg acgef geacf
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cbfed egacdb eabfgd gdbac deacgfb aeb eacdb gacfbd ea cage | dbegacf aecdbg cage dcgbae
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efgad agedcbf bcea ba ebdcfg efbcag bgaef gfabcd bga gfbce | fgdae ba fedgbc egfba
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dbcfa bcagd gdbfae cdfg fecab bcfadg dcbgae dfb fd bcadfeg | daegbc befca cbfae dbgcae
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egfa bcgdafe dcfea dcfeba cafgbd gf edgbc gfd egfdc edcgaf | gf dgafce fdg efcbda
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fgecd afgcde gfcadeb dbcg dcfbeg facbe gbf gfbec gdeafb gb | abdgfe cegdf bgf ecgfbad
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gdcbafe gaf agcfe bafc gfdcbe gbfdea cfegb gaedc gfbace fa | bfeacg acgfe bcaf gcade
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egbcf fgcea decbf dgabef gb fabedc fbecdag fgdbec bcdg beg | bgdfaec acgdbfe defbca fcdeb
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bdeafc cabegd acdbe fdba cfb bf edcfagb fecag cbafe bcfgde | bfda fdgaebc dbaec fb
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bc ebdcg agcfebd cadeg ecb fdbaec befgd cbdgfe gabfed bgfc | dagbef bcgdfe bgedaf gdace
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eb ebf gaedfc fagdb cabe fabecg bagef bdgafce cgdefb efcga | beacfgd efgbca efbgca ebfgac
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cagdf gdacef fcdbga cb gcadb bgc fcab dbfcage baged gbdecf | aefcdg cb agdfc bdgfec
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dfbaec abegdf daf edbgcaf bgfd eafgc gafed fd bedag gebdca | ecfgbda beafdgc facebd bdeag
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bfaegd dbecga fcadbg dcfg dabcg gf acbfe fgbca fga aegdfcb | cegbda ecabdgf egcafdb fgcd
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dbgcea agc aegbc fgceda abdfce cbdg begaf adbcefg cbade gc | dfecba gbedac cdfeab abecg
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cfdeab fgbec eadg bga ga dcebagf beadgc gaebc bgfdca bcead | bgaced bdeacg cbgea beacgdf
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bagfce ebcdfg fa cgade cfa bfcgeda ecbdf adfb fecbad efadc | ecdbf cfa bfceag bdfeac
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af egdaf aef eacdg fdgeca cafg cdgfabe baedgc edfbg acbdef | edfga decagb bdecfa dacfge
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dab gfbed bfdage ebdcgf baecg da dfacbeg eagbd beacfd gadf | egbda cbdfae cfadeb egabfd
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bcgfaed bfgade bd gfcda acgedb bacefg caebg cbed abdcg bdg | cebag fcebag dbcaeg gbd
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dgcfb begdf def fbaegd fegab ed cebagf cefdgab cebdfa gade | ebgdacf aefbgd de gfdbae
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ab abdf agbcde aegfb eafgc fgcdeb fbged bea bgafced efdbga | gbafe gbafed gaefdcb gdfbec
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eafbg abgdf eg aceg gabfce fge fcbedg ecfabd bafdceg caebf | cedbfa gbface eg fagbe
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face bfe adgfeb acebg cdbfg fe gacbdfe gcaedb cgebf cgaefb | aefc gdbcf gecab gfcbd
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agfecd fa gbfa fbdce gdfeacb dabfe fbadeg bgdaec begad afd | fda bdefc egadbf fa
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ab bfedcg gfdcb deacg abdfce gcabd adcgfb eabfcdg abc abgf | decga debfac fcbdg gecdbaf
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gfadcb dcgab abfgde fdcega acd adbgf cgdeb ac acfb befdcag | dbagf ca gdcfab gaebcdf
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efcagd dbcef bgda gbf dfaegb cfegab bfged bg agcfbde afegd | bfagce cefdb fgeda aegfcd
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cedafgb cbfeda bcegf gdbe gb fcgbad cedbgf gcaef bgf cefdb | ceagf dbfcge afdcbe ebdfgc
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cgfed acfge bdecaf fdag fecgad fedgbc bacge af efa afegcbd | cgadbef gbdecf fgced fa
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abegf fagcde ceb feabc ecfda cb acdb efcgdab cbgdfe ecadbf | eafcb ceb cadb bdeafc
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fbgae begd abcfegd bfeda efd eagfdb de fgaecb acgdef dacbf | dagfce adefb bdfac dfegab
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fd fed fgad dfecag gaedbfc gecafb bdceg cbdafe efcgd fcega | agfd dgaf gdafce eafcdb
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befagd dfeb bf caebdg ebgda egfcba bgf gcadf gafbd fabgdec | agdefb eagcfb edacbg badfg
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eagcd bdacgf gfeb fdgba be deb cefagdb afcdbe bdgae aegbfd | cfbgad dbage eb bgeadf
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eacbfg debgac dbfcage dc eagbc cda cabdfe dfgea bgdc adegc | becag efbacg caebg cdgae
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fed fcbagd acdebf gaef ef fgdec fecbagd dcegaf cbdeg agcfd | bdeacfg ef cadgf dcbeg
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efc becdag afedc edgaf fc badgcfe fcdbge adfcbe cafb eabdc | dfebca acbed fc efacd
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abfed dc fdcegb cgbfe cagfeb fdecb gbcadfe bgadcf gcde cdf | gecafb fbegdc febcdg cegafb
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feagc daecfbg gdca dg fgd fdgec cebdf eagcfb efcgda fbdeag | defagb aedbfg gfd faegbc
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cagdf ce bcegdf dbafeg cbeadf gbdaefc caeb cfe feadb efadc | ecba dcfae ec ce
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fgabd abgdc dbcae cfadge cag cbge cg ebcadg cgfdeba fcbeda | dgabce dacegf baecd cfabed
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efagc fdcgea geb bfdgec cgba fdcbgae adbfe bg bfcaeg fgeba | afegb daebf ceagdf agbc
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ecgfbad ceg deca gbfed bagfdc cegfba cabdg ec agcdbe bdegc | agbcd ecbdg bcadg dcagb
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aedbg bedca efbdag dgcb bfeac efgadc abegdc bfdegca cd edc | cbdae edcgfba ecd fdagbe
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cfeagbd cfab bgc fbgdae fgdce gfadb bc ecadgb bcdfga gdbcf | cbfa cbadgf bfcdg abcf
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edacg cdfbag fbeagdc cdgaef fc bagfe fac edabgc defc gcefa | dagcfb aegcf fc fegac
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gfdabc dbgaef agbe cegadfb bdgaf gedafc fbced ge gfe befdg | dfcbga adbfge bdfeg cfadge
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bcafge gbcd bc bfgdea cafdb fabdg acfdbg acefdgb acfde bfc | bfdac cbf fdabc edfca
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gdcab cegd ebdcfga egb eg afceb cdgbfa acbge gdebaf bgcdea | agbce fceab dagfbe acebg
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bagc cgf bacfd begfdc afdge bcagdf bcedfa cg becgafd dgfac | bdacf cfedab abcefd cafbd
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ca cag gbfdc cadfbg eafcdg afcb edgab dgcbef cbgad abfdgce | cdbga bacf fgdace dcfgb
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dcebf aefcbd gdcf fcbgde cbgef beacg gfebda gf fcdbgae feg | bfcadge cfbeg fg becgf
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dcabfeg fbc cfgba dfabgc becadg fc dgebcf cfad cbagd gbeaf | ecadbg degabc aecbgd cf
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cba efabd ebdcga cgeafbd cdabf fbce dbfcae bc cgdfa egbafd | abedf facdg ebcf cb
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db efdcag dabf cagfdbe caegb decba bfcdeg fcabed fedca bde | edfacb adefc dbe dbe
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fdabg efca bac ca fdacb becafdg fcdbe bcegad begdfc afbdce | gecdbf faec fadcb dbcaf
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eg egad egfbadc bdecf feg agfcbe decfag dfceg cfgda cfbadg | fcabdg gef eg fecadg
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fgad bgfde afe acebd dgfcbe af beadf ecabgf fbcedga abefgd | cbdegf edfab fegacb fa
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efcgb beacfg gbecfda bfac afg dbfgce bfgdea fagce caedg af | gcebf aedfbg eafcbg fabecgd
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bfdecga gaedfc ecga begcfd cfdab gbfade efa caedf ae defcg | daecf egca afcdeg caefd
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decab efa dagefbc dagbce fcadg abdegf fe eafdc ebcf dcfabe | ebcf fe ebcf fae
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begfd agedfc dabfce eadgf adf eacgfb afecbdg da feacg dcag | abcdfe daf debgf dbfeac
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gbdfca gbefca cba cb ebcfagd gbafd fdacb fdgeab bcdg cadef | afbdc efdgabc dbagf gfdab
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efdagb dae fcabedg caedb fdaecb ad ebdfc cdgfeb dfca eacbg | bedfgc fecdb edgfba cedfab
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cd afdc cdg cbdgaf eagbd gacfb befdcga bdacg cbeafg ecfbgd | bdgacf dcfbeg dacgbf dagcb
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begdaf gedbcfa dafc fea dfgce dgacfe gbedfc cfeag cbgea af | gecba agfbedc cbage egfdc
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dc fgcd baefcg afbgecd bgeda ced baedfc cdeag gdafec efgca | bacfge bgdae abegfc afgbced
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fc afcbgd bcf afebcgd bgdcf acdf bdfeg ecbagf cbdega adcgb | ceagbf befdcga edfagcb acdf
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dbcgf degc bfgad bcfed gcb fceabdg gbfcde gc fbdaec afgebc | fecbdag fadgecb afbdg dgecfb
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abcfg cfb eafgb bc cgbfda adfcge afdcg cfbgde cadb efgbcda | acgfb cb dfcag gdecfb
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cdefb cfga edcgbfa cab abfge acfbe ca bcgaed bcaefg bdegaf | dbfce gdfcaeb fedabg fbcea
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fgcae gafd eacdfgb baceg cadebf cfbged daefcg fge fg fceda | gceadbf dcbfage cafed ebacdf
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fabdceg abcgde acebdf cfaeb fa egfcb dbfa fac abecd agefcd | cfeab edcbag acf dcabefg
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dgbecfa abdfe acegd fdgabc gadef gfce ecbagd edagcf fg dfg | gdf fcegbda agcde fgd
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dagf bcdaef ad acd cbeag febagdc dgbfac dgcab fcdbge bdgcf | fdbeac gcbda bcfdg bfcgd
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fgdc gc gefdcab bdgec dbcefa gce bfgdec gcefab degab cebfd | bdfce gbecfd gadbe ebcadgf
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fagc bdcfag fdacb agbedf daf aedgbc dbcga ebdgcfa cbdfe fa | febdc cfag af cadbg
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bcd bfec dagbcf egcbfd bc edfgc bdecg edabg dcgeabf gdefca | bedag dbc fgcdbe ebdfcg
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gedafcb dbagcf bcadeg fc gfc cebf edgfc cgdbe bcfdge egdfa | fc dabgec bdcge ebfc
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gafbd ef becga ebgcaf agbef gfe gebcda gbfdce afce dbcgefa | ef gfe cabfeg gabecf
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deab fbedgc eb bdacg dagcfbe abecg cfdagb beg baedcg gacfe | gacdb dbfgace dbea cadbg
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badceg ced fecba fbdc adfec ebfcgad gecafb faedcb gfeda cd | fcead fbcaged adebgc ceabgd
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bd bdcg fgcab abd cfaebd baecgf fecbgad agdfb efdga gfdacb | afebcd bfadg egbfca cgbfea
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da decbf afdec begcad dcgefb gcafe edbfca dca fdab begdfca | efadc abdf ebcdfa fegac
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gcbeaf geadbc fdbeagc bfdec cdbae ea agfdcb dabcg eac adeg | gcdba cebdf abecd gedcab
|
||||
bcdae abedg ebg bfadec eg dbgaf egafcb gcadeb egdc abedfcg | dagfb ebg gebcaf eg
|
||||
afb abgfed caegfd cfbd becag dcbgfea bf decaf faecb bedfac | daegfb dbaefc gacedf bfa
|
||||
bgecf becfad ea adebgc cfdbgea dabcg eca eagd acbeg adfcgb | agdbc bagcd bgcda aedg
|
||||
bf fagcde cfdb acfgd gfdaeb acdfegb gfacb bfg bgeca bcgafd | gfb gfacd agfdeb abcge
|
||||
aegfd efcd bedfagc bacdgf gecadf aed egbdac fcagd ed afbeg | daefg dagfc acdbfg gbacfd
|
||||
decga efbcd badcgf cfgdbe agefcbd fa ebcdaf fcdea eafb fda | dcfea fad ebadgfc afedcb
|
||||
bf gebfcd bagfed bdagcfe cegbd fgbdc gfb ecgbad gdafc befc | fadbeg bcgde gbf bfg
|
||||
df cbfged fgbca fbd bcafge bdeac agbfecd adcbf gdaf dabgfc | bcdea cafbd afdg gacfb
|
||||
ecdbfa fadgce aceb fgebd bfcgad cdfae afgbced dfebc cfb cb | cfead fcb bc bedcf
|
||||
fdbega cfegd cdbgae cdfebga fecadb aeg cbag ag adceb dcage | ebcagd gcead egdfc dagecb
|
||||
cdbfeag gfdeba edfgca cead geadf gac fcbdg afgcd cabegf ca | fecgad gefda dafcg fdgca
|
||||
cfgbae cgefb egdbfc dcg dfcbg ecbgfda badcf gfed edcgba gd | gd cbefdg adbceg badcf
|
||||
bf bgf debfg bgade egbfcd cebdafg agdfce fgced dcbfag fcbe | adcgfe fdgeac fb ebfc
|
||||
gefdc fdagcb gfdac bdafce caf ac daegcbf febgda cbga dbafg | dagbf ac faedcgb dfagb
|
||||
ecfgadb dbgacf abfegc gd cefad fcgde cefdgb fcbge gdeb dgf | efacd bcegdaf bdgacf gd
|
||||
cdfgb bdf fdcag bd cdba gbecf dfecga cfgebda gdefab dcbagf | begfc bcgfd gfbce afbgcd
|
||||
fbe facb decgaf afdce fb bcdeaf bagdfe ecdbg dfbce bgedcfa | abdgfe eafdc efdbca acfgde
|
||||
bgdcf cbaegd eabfdcg ceg eg aedcb deabfc dgea gfcaeb gecdb | eacgdb ge daebcf eg
|
||||
egbdcaf gd cefabg dfge bcfagd afdegc caedg baecd gad caefg | gcedaf efgabc dag deagc
|
||||
cdabf bgcfde afedgc fcb gcba gfacd bdaef bdegfac cb bdfagc | bcf bcedfg gaecdf cdgeabf
|
||||
gf dcbfeg fcgdbea fge gedacb aefbg bgead gfad dfegba aebfc | aedgfb gf egf dfag
|
||||
gbeacfd gacbd dcgfbe fg fgd dbacge bdagcf dfcea gafb fgadc | deagcb gf degfbc edcgbaf
|
||||
ce gdbcae debcf cfdabe eacfbdg acef fgdbc begadf ecd afdbe | dbefa abegdc cbdfg acfbed
|
||||
begdfc gbdc gedaf dc edgfc cdf fgbec ecdafb ebgafc degcbfa | egdfa edgbfca cbefg fagcbe
|
||||
efcab dgbfc ag agdc cfagbde fbgeda fag acgdfb fcbga gbefcd | gacd gdac dcag gdac
|
||||
bdage bdaefg gbe eb edfb bgafec dgbecaf egadf fdaecg dbacg | geb afgdbe dfbegac efgcba
|
||||
ecgfa bec be ebfgc dgbcea adefgc egafbc egbafcd bafe gbfdc | aefb bce befa gfecab
|
||||
ebgdc cbe ecdgab gacb gfced dbgea edbcfa fagcdeb gabfde bc | dgfec aebdgf abcdfeg fbaedc
|
||||
daegbf adef dgcabe cafdgbe adcgfb dbegf ebgcf dbf ebadg fd | fcbge bgcef acfgdb efbgd
|
||||
cdbge cfe adbcef fedgcb gfebcda cedgf edagf gdbcae cf gcfb | cdbeg gcdfe fabgdce aecbfd
|
||||
beacg dafge gbeadc fcba bgdeafc begfa bf eabcfg ebgcdf bfg | gaefb bcfged degcab egdaf
|
||||
acgefbd feb bf cdaef beadf gbaed abgced gabdef abfg gbfedc | begfda efcda bfe dgacbe
|
||||
eacfgd fbdgce abfcge bcfea cafeg cagdbfe ebf debca bf fgba | fb fb acdbe cfdage
|
||||
bfec cedagf aef ef degba bagcef dgcfab fgeab fecdgba bacfg | cbgaef efacgd aegfb aef
|
||||
dbacfe edfc ec caebd agfebc cbe cbdag gfcbead bgfead bafde | deabc dfagbe cgbfea ec
|
||||
ed dfgbec dfabg fbaec feacbg edafb aedc eadfcgb ebdacf dbe | deac bgeafc cebfdg fcdegb
|
|
@ -0,0 +1,175 @@
|
|||
#![feature(array_from_fn)]
|
||||
#![feature(once_cell)]
|
||||
#![feature(test)]
|
||||
extern crate test;
|
||||
use aoc2021::common::*;
|
||||
use itertools::{iproduct, Itertools};
|
||||
use std::{array, lazy::Lazy, ops};
|
||||
|
||||
const DAY: usize = 08;
|
||||
type Parsed<'a> = Vec<([&'a str; 10], [&'a str; 4])>;
|
||||
|
||||
const VALID_DISPLAYS: Lazy<[(&'static str, SSD); 10]> =
|
||||
Lazy::new(|| ["abcefg", "cf", "acdeg", "acdfg", "bcdf", "abdfg", "abdefg", "acf", "abcdefg", "abcdfg"].map(|s| (s, SSD::from(s))));
|
||||
|
||||
#[derive(Debug, PartialEq)]
|
||||
struct SSD {
|
||||
a: bool,
|
||||
b: bool,
|
||||
c: bool,
|
||||
d: bool,
|
||||
e: bool,
|
||||
f: bool,
|
||||
g: bool,
|
||||
}
|
||||
|
||||
struct Mapping([char; 7]);
|
||||
|
||||
impl Mapping {
|
||||
fn translate(&self, c: char) -> char {
|
||||
self.0[(c as u8 - b'a') as usize]
|
||||
}
|
||||
}
|
||||
|
||||
impl From<&str> for SSD {
|
||||
fn from(s: &str) -> Self {
|
||||
SSD {
|
||||
a: s.contains('a'),
|
||||
b: s.contains('b'),
|
||||
c: s.contains('c'),
|
||||
d: s.contains('d'),
|
||||
e: s.contains('e'),
|
||||
f: s.contains('f'),
|
||||
g: s.contains('g'),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl ops::Sub<&SSD> for &SSD {
|
||||
type Output = SSD;
|
||||
fn sub(self, rhs: &SSD) -> Self::Output {
|
||||
Self::Output {
|
||||
a: self.a && !rhs.a,
|
||||
b: self.b && !rhs.b,
|
||||
c: self.c && !rhs.c,
|
||||
d: self.d && !rhs.d,
|
||||
e: self.e && !rhs.e,
|
||||
f: self.f && !rhs.f,
|
||||
g: self.g && !rhs.g,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl SSD {
|
||||
fn active_digits(&self) -> u8 {
|
||||
self.a as u8 + self.b as u8 + self.c as u8 + self.d as u8 + self.e as u8 + self.f as u8 + self.g as u8
|
||||
}
|
||||
|
||||
fn to_array(&self) -> [bool; 7] {
|
||||
[self.a, self.b, self.c, self.d, self.e, self.f, self.g]
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_input(raw: &str) -> Parsed {
|
||||
raw.lines()
|
||||
.map(|l| l.split_once(" | ").unwrap())
|
||||
.map(|(input, output)| {
|
||||
let mut input = input.split(' ').map_into();
|
||||
let mut output = output.split(' ').map_into();
|
||||
(array::from_fn(|_| input.next().unwrap()), array::from_fn(|_| output.next().unwrap()))
|
||||
})
|
||||
.collect()
|
||||
}
|
||||
|
||||
fn part1<'a>(parsed: &Parsed<'a>) -> usize {
|
||||
parsed.iter().flat_map(|(_, output)| output).filter(|&&input| [2, 3, 4, 7].contains(&SSD::from(input).active_digits())).count()
|
||||
}
|
||||
|
||||
fn part2<'a>(parsed: &Parsed<'a>) -> usize {
|
||||
parsed
|
||||
.iter()
|
||||
.map(|(raw_input, raw_output)| {
|
||||
let input = raw_input.map(SSD::from);
|
||||
let one = input.iter().find(|d| d.active_digits() == 2).unwrap();
|
||||
let four = input.iter().find(|d| d.active_digits() == 4).unwrap();
|
||||
let seven = input.iter().find(|d| d.active_digits() == 3).unwrap();
|
||||
// We know the position of a for sure because it’s the only difference between 7 and 1
|
||||
let a = (seven - one).to_array().iter().position(|&b| b).unwrap();
|
||||
// And c and f are these two (both used in 1)
|
||||
let c_or_f = one.to_array().iter().positions(|&b| b).collect_vec();
|
||||
debug_assert_eq!(c_or_f.len(), 2);
|
||||
// 4 uses b, c, d, f, but we already know c and f from 1, so this leaves b and d
|
||||
let b_or_d = (four - one).to_array().iter().positions(|&b| b).collect_vec();
|
||||
debug_assert_eq!(b_or_d.len(), 2);
|
||||
// Now e and g have to be in the remaining two positions
|
||||
let e_or_g = (0..7).filter(|n| ![a, b_or_d[0], b_or_d[1], c_or_f[0], c_or_f[1]].contains(n)).collect_vec();
|
||||
debug_assert_eq!(e_or_g.len(), 2);
|
||||
debug_assert_eq!(
|
||||
[a, b_or_d[0], b_or_d[1], c_or_f[0], c_or_f[1], e_or_g[0], e_or_g[1]].into_iter().sorted().collect_vec(),
|
||||
(0..7).collect_vec()
|
||||
);
|
||||
// Now there are 8 possible combinations from multiplying the 3 x_or_y we constructed above.
|
||||
let mapping = iproduct!(
|
||||
[&b_or_d, &b_or_d.iter().copied().rev().collect()],
|
||||
[&c_or_f, &c_or_f.iter().copied().rev().collect()],
|
||||
[&e_or_g, &e_or_g.iter().copied().rev().collect()]
|
||||
)
|
||||
.map(|(b_d, c_f, e_g)| {
|
||||
let mut m = [' '; 7];
|
||||
m[a] = 'a';
|
||||
m[b_d[0]] = 'b';
|
||||
m[c_f[0]] = 'c';
|
||||
m[b_d[1]] = 'd';
|
||||
m[e_g[0]] = 'e';
|
||||
m[c_f[1]] = 'f';
|
||||
m[e_g[1]] = 'g';
|
||||
Mapping(m)
|
||||
})
|
||||
.find(|m| {
|
||||
raw_input.iter().all(|i| {
|
||||
let translated: String = i.chars().map(|n| m.translate(n)).collect();
|
||||
let ssd = SSD::from(translated.as_ref());
|
||||
VALID_DISPLAYS.iter().any(|(_, d)| d == &ssd)
|
||||
})
|
||||
})
|
||||
.unwrap();
|
||||
raw_output
|
||||
.iter()
|
||||
.map(|i| i.chars().map(|n| mapping.translate(n)).collect::<String>())
|
||||
.map(|t| SSD::from(t.as_ref()))
|
||||
.map(|ssd| VALID_DISPLAYS.iter().position(|(_, d)| &ssd == d).unwrap())
|
||||
.fold(0, |acc, n| (acc + n) * 10)
|
||||
/ 10
|
||||
})
|
||||
.sum()
|
||||
}
|
||||
|
||||
fn main() {
|
||||
let raw = read_file(DAY);
|
||||
let input = parse_input(&raw);
|
||||
println!("Part 1: {}", part1(&input));
|
||||
println!("Part 2: {}", part2(&input));
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
use aoc2021::*;
|
||||
|
||||
const TEST_INPUT: &str = "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";
|
||||
|
||||
test!(part1() == 26);
|
||||
test!(part2() == 61229);
|
||||
bench!(part1() == 239);
|
||||
bench!(part2() == 946346);
|
||||
bench_input!(Vec::len => 200);
|
||||
}
|
Loading…
Reference in New Issue
Block a user