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add day 8 solution

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Christian Ulrich 2021-12-10 00:14:58 +01:00
parent 19804b3a8f
commit 49d705beff
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eadbcf faceb faecgd gdefabc adc ad adbf gfacbe bceda dcegb | gdfcae adc cedbfa dafb
ed acegbfd defb ead dbcfae dbeca caefdg bgecfa dabgc efacb | gfecab ed cdaegf de
fda dfbeg cegdab fa edfagcb acgde dagfe abcgdf ceaf dfecag | fgcead af caedgbf bdfeagc
fdae cebgfa df bdf ebcgdf bcdeafg cfbdae afebc fbadc cbgda | df cbgfae eadf bfd
facgb gdefabc decbfa cb cba cgfaeb gafec bgfad agcefd bcge | cfdage bc dbagfce gcbfae
eacfd caebdfg egfbac gaced abfde cf gafcde adbgce gcfd fec | fec ecf cf dgfc
ecfgd fc fec cdfa defcag degbf dbcgaef eacgdb bfagce adgce | egcda cfdge cgefda dcfge
afbed eabgfc cbedag ac egdbfc gacf abcfe becgf aedfbgc cea | ca ac feabd fcag
ecfgbd agebc dfbae fcedgab adgc gfbcae abcged dc cebad cbd | acdg begca cd dc
cadeg gb dgaefbc gbd acbfde gabdfc gbcad afdbc abfg degbfc | fegcdba bg dbfceg gdb
ac dbagf dbcgfea acfgb gcad caf eacbdf dagbfc gcfbe efgabd | ac dgac egcfb deafbcg
cafdbe gefdc fedba fagb gbfeda bgcfead ecgabd ga gda efdag | defga dag aegdf abfg
faceg ab gceab dgbefc bcegda bgfdace gecdb gbad bac bafdec | acgdbfe cebag edfgacb dabg
dcegaf faedbc acbdg dfcag afd gbafce efbgcda feacg df degf | fbagec acgbd daf gdfe
agd dagbf fegbad bfdea bfgdc gedbcfa fdcaeg cfbeda ag bgea | bfaed adg dabgef gda
fabgde gf cafbe bfg afcdebg cdfbge cfgd cebgf baecdg cgbde | fg fg gf fbg
fgabdce gcfeda agcdbf gecaf ebagf ecbg bag fabed acefgb bg | gacfdb bag dcgeafb aecgf
gfdbea bedag gefdc bdca becagd fdbegac febagc bgc gbdce bc | gbdec cb caegdfb ebadg
agefdbc bdea ba fcbeg eacgb abgcfd gceafd cbeadg gab acedg | gfacde cfgdeba cefadg dfbgac
cbegfd bafd gbfcae ba acfgbed egcda dbcfg acb bgafcd agcdb | cab gfcdab degabfc abc
gcbf cgadb cdeag ecadfgb fdebag afdbg bc cab cfgdba cefbda | cb bfdgeac cba cba
dcfge cbadge acedf fge dgfceb dbegc geadfbc gf edagbf bgcf | cefadgb fge gfe efg
ebdagcf gadfce bd badef adgbce eabfg abd cebadf edacf bfcd | aedbf dfbc adbfgce bd
eacfdb cef gcbeafd ce defgc bfadgc bgfdc fedag ebgc egcbfd | cfe bgcedf ec gfcde
dbefa fbge gedfba dbgcfa gb dgb dbgceaf dbgea cdfbea egdca | bdg afdbcg gb fbdagc
gafc dgeacb eaf af abefc ebgadf cefdb efagdcb fgeacb becga | af egdbacf af aefbc
dgbca dgaef beac dcage gbafcd cgebdfa fdbgce ce cge dcbage | bacgd caeb gbedcfa gec
ab efdgba cdab bfceg gfadc abg cgedaf dgafebc cgdbaf cfgab | fcbga gfbca ba edcfga
ecdbf dcgbafe gcbdef fcdaeg gdf bfega gdbc fdbge cedabf gd | dgcebaf gebdf dbgc dg
dbgac cbd aedcfb gfbad gfcdba bc afebgd gcbf gcdae bfgadec | gbcedaf cb fbcg fbcg
dfagceb ed bgadfe bgafd gacfdb adef bgeac bgdae fcdgeb bde | baedg defa adef dbega
bgfeac fea aecdgf egfba abce begcfd ae gfecb bcafgde bdagf | afe bfdgec ceab ae
egbcf afcegb dbcef ebgcdf cfead bacedgf db gdfbae cgbd edb | edb decagbf gfcaedb aecbgfd
gaed egfca eac bcfeg abdgfce eafgdc cfadg ea cbdfag aebcfd | dfegabc cea eacgf efbcda
agbcde edgc gadfb gcbea bcfdae cgbaef dca cd cagdb fdagcbe | ebgdca dca ecgd edcg
gfdceb cdefa geacdb befgacd gd abecg gcd badg deacg bfgeca | bgcadef gbad defacbg fdgabce
bagfc gc cebaf bdagf gdbace ecgf gbcafde bdefac cbg eagbcf | acfbg gc fceg cgb
efc fgedb efcagd dfcab acgdbfe fbacdg ce bfecd aceb fecadb | abce defgb ce ec
gadcbef bdfe cgbeaf fea cdaebf acdfg fe ebcad ecdfa beacgd | efdb edfb ef ef
aebfc ebcfgd dcegafb bfaced gb bcg egadc agcbef cgbae bgaf | gafb bcfdeg cdbgfe gabf
fgbce befacdg fb gafce bgcfea cedgfa bgcde fbag eacdbf bfe | bef gfbeca bf ebf
efbag fd adcbef abegcd fdgecab gdbfe dcfg fbdgec gcedb dfe | efd gdcf dgfc df
cdeabf gcde gbfdae ec cfgab abgce cae bgcdae gdeab gfcdeba | eacbdf bcdfgae aegbc aec
bcafge bdae fdcge fbdaeg dgfae aef ea cgfedba gafcbd dabgf | ea aef deba aef
egfd ebcgaf fbecg gd dcg cadfgb eabcdfg fgecbd cegdb ceabd | dfagecb fdbgcae bdcea fgecb
bedcgfa dbecg abcfdg fd cdfeg fgace bdef gbfedc gdf gcadeb | dfg bgacdef cedfg dcgfeab
fcgdaeb eagb cabfe gb dgcef gcfeb gbc befgac fbacde adfbcg | gcdfab gb gdfabec beag
cgabfe badfge aegd gdfcb decbfag de dbgef befadc bagef dbe | fceagb bcfgdea becgaf gfedb
fcd gedf fdaebcg abgcfd df faceb edacg gabedc fdcae afegcd | cbaged aefgdc fagbedc dfge
cedabg be edgca dbecgf cageb cedfag gfcedab cbgfa adbe egb | bdea egfabdc be gaecd
bagfe faecgd bdgeaf eabgfc gdacb fbce cgf cgfebad fc gfabc | cebf bgdecaf fcg cgf
acdfbe abcde dcegfba fegdc bgcade fdcea acefgb fa aef badf | fgadbce fa acdfe fedac
gbcef gefacdb fca afgcbe efgcad gbac ac dbcfge cfbae eabfd | bcfgeda ebdaf agbc ac
abdeg gdeafc bagdf gedbac fbge bdeafg gf fbcda fag gbdeacf | bgfdae bedcafg fcgade fegb
bcadg cbd edgcbf afdc bacfg cd cbagdf dgecfba egfacb bdega | abgde cafd cadf dcb
gcb fbgcae dgfbc egdc bdagef abcfd gc fbdceg befgd eabcdfg | bgc cbfdgea gc edgc
dgabe dbe daegf beac fgcbeda gecadb eb bdfgce cbgadf bacgd | gdfae abec bgdae eafdg
deagfcb gc cdga gafbde baefc egcdbf fadeg afcged gce eagcf | bcfdaeg egbfdca acdfegb cge
adbfeg dafgb bgdacf gfbde fe fega bcgeafd beadcf fbe gdbec | gbefd agfe egfa fbe
defbga fagdc fdace cfg gbfda eagbfc gdfaebc gc cdagfb dbcg | cg cg cbdg badfecg
fbecdag gfdeb dgcbaf afcbed ec cfaebg acde ecb fdabc fedcb | bec cead ce adce
dfa gdbecf dfegc egafd cbaedf dfcebag ebgda dcegaf af cafg | eadfgbc daf efgad af
gfdbe fdgcb gecfda egbfacd gfaed efb eafcgb be daeb bfdaeg | be feb bgedfa gdeaf
egcbfd bacfg bdfegca bfdgc edafbg cegba fagbdc adcf fa baf | abgfdc fagcdb af fcda
dfcebg afdgbc gaf ecga ga afgbe fabegc defcgab feabd cgbef | ceag dbcegf afg bfeagdc
adgbfe fbd beacfg fecd fabdc agbdc fcbeda df acefb fagbdce | cedf abcdefg dfabc dfb
cfaeb cgdeab fgced afdb cabedf db cabegf egdbfac cdb cefbd | dcb abcgef agdecb decfg
dcgbae aecbg agecf dface bcagdf fga cbfgae bgfe fadbceg fg | gf facbeg fg fg
cafbdge bcgea af dcfage gbdcaf bafd fdbcg fga bafcg gbecdf | bacgdfe cafdbge cfagebd fgdebca
fcabge afebg edgb dbgecaf abcfd fdg adgefc bgfda badfeg gd | febga ebdg gedb dfgba
caefbd fgda fbcga gebca fbg cbfad dagfbc gf egdfbac fbgecd | feabdc dgaf gf gfdbeca
egc bfcag gedcafb ebgcf fbdcge ceagfd bdcaef ge fdbce begd | afbcged cfgdaeb fabcde bgde
bcae gdcfbae egcbdf dfceb dfega ac agcbdf adfec adfebc cad | aceb gbcfad cagdbef ca
eg afge gefcabd cadgfb cgbae gedbcf ebg gbfcae abcfg ceadb | gadecbf dabecfg bge egb
cfge ecgadf eafgcdb cg gbecad fdacg cga cfbdae acfed fbdga | eabcgd fcaed gdacfe cefg
ecgabfd fgbde cdfa da eacdgf fedga efagc dag abegdc gefacb | adfc faegcb dcafegb agd
de cbdef eadc fcbdag fadcb gcbef befgda bdafce dfe gefbcda | fagdcb deafbc gaebdf gebafd
bdga dacbeg edg ebdacf fgacde dbceg bcaed becdagf gd cgebf | deg abgd egd gdeacbf
bcefg afge egfbac ebgfacd ef bedacf gdebc efc acgbf fagdcb | cadfgb efc cfe gdcbaf
fd cfd fdcbge dgacb bacdeg fagbdc agfd befca fgdcaeb abfdc | df cgdbeaf bafcd aebdfgc
be degfcab ebd abeg fcbdag eafcd gfebad defcbg dfbag badef | eafgcdb dcgebf bfdeagc edb
dbfagc bgfcdae cagdbe bdcf geabfc fgb bfadg bf faged dbgac | afbcegd dcbf gdbca bcdf
ebgca abcegf cbgefd acg gfea cdefbga ga ecfgb cebad gfacbd | afge ag ecbfgda bdgcef
agcfb facbe ef afgedc fegb efa dgabcf cedab eabgcf deacfbg | afe ecdbgaf gfbace cbegdaf
aegcdbf ecdb gfbadc afebg gdbcf de afcgde dgbefc def efgdb | geacfbd ebcd de dbec
gbe bacfg ebagc cbagef geadfb ge fagbdc deabcfg fcge cbdea | eadgbf gbcfa bcgaedf eg
geafc fgaced dgefbca gafed gde cbfgde aegbfc cagd gd daefb | dabcegf bgefcd dg cdga
fgbcd fabc fcdbeg gcdfa fcagedb gafed cag gfbcad ca cdgabe | faecgbd acg gdfbc aedgf
gafcbe bca cedb cegfbad egabd bc abdgc afbdeg fdagc daebgc | gbdac gbacd dcbag cedb
ecg cg cfbeg gcdabe feagb cbefd fgac ebfcga gfdabec adefgb | gce gdebac bfedc gefba
febdc ebda feb dbecfa decgf gafceb fbcgad bdcagfe eb bdafc | edcfb fbe be cfbgda
gfdcb bedfac abed cbdfgae cdabf afd faecdg cfbea caegbf da | da ad fad da
abfgdec bafgce fbdge bgfad de dcegfb cfaegd bdec deg gbfec | dge bfgecd dceb ecfgb
cdfe gcadeb afgdec egabf ce gecfa gcfda ceg ebfdcag gfadcb | cge dcef cdgfbea egc
da agfebc gdbcfa dafcg bdacgfe ecgfd dbfeac cad agfbc bgad | deabcfg dca bgcfa bdag
dgbfa efd afcbdg decbgaf fabe fedagb fe gdecfa cdbge fegbd | caedgfb dfe abfe dcbge
gc acg cabfe cbeag bcfedga bagecd gdbae cgdb edfgca gbeadf | gac cgdb cg cdgfea
cdafbeg dfecgb gbadc bgcaef bfcge dbef gfbcd ceadfg dfg df | fd bdagc dfbgc gafdce
dbgaf badfc badge ebcfad gf abcfgde cdabfg afcg cbegfd fgd | fg fg cfedbg fg
fcgbe cbedafg deabfc gdacfe dega efdgc gd dacfe agdcfb fgd | dg eabdfcg dcfega cafged
eadgcf cgebfa bfgd fbe afebdg dcagfbe bf cdeab fdgea abdef | dfgb bf fbead degafc
cafgeb gadfb cabfgde df bdef dgf cadgb bfgae cfgdae dbefga | fdg gdf bgcda dfg
gdfceb acefd gdafe ca acd bfac fbdce bgceda ebgfdca bcfead | acbf cbfa fabc dac
cbfegd gfced befacdg fbgde afbgde dc cbdg decbfa gefac dec | dgcb dcefg edc cd
cg dfbca bdfeg agcd bacegfd cabfed cgdbf cgf bdgacf gcefab | dbegf bdagcf gc gcf
cafdg cfgbe efdagc fgbdc bdf bfegacd bd cfbadg bagefd cbad | db edagfc acdb dcgfea
fbagd cfga fcgeabd bfa fbged fecadb cfagbd abgcd egbcda af | gfacbde cagf abdfgc dabgcef
fd gbeacf caegdf gdef cbafgd ecgfa daf bfdaecg faecd adcbe | bgcfad efbgacd afcged deacb
fcaegd dfaec fgcbda cbaed fdcaeb eabcg cbd bagfdce db fedb | ebdf ebdf bdef fbcgad
fcdeb aebdgf cfgd gdbec cegbafd deg efgbdc bedcaf aecbg dg | gd ged gde dge
agcf fecgab fc fgecb bcf abefg aefbdc ecdbfag dbgce gdefab | bdfcega decgb eabcfd fc
bgcfd gfcad gfa adbegc afegcd gcead faegbd cefa abegcfd af | fa af gdcfb bgdcaef
efgb gadfbe bgdcae fdceab gafde dagbe gacfd fe dfe ebcdfag | fbeg fgeda dcfga dagcf
eacdgf gbaec fdbeag dg dafbegc adg gfcd faced daecg cbefad | dgaec dag cgfd afdec
ecbafg fgeab adecf abdgecf bafdcg gc cagfe gafbde cbge fcg | agbfde bgce egbc fegbad
decagf bedacf gabcfde abf deba cfgeb ba afced gabfdc beacf | ba ab eafdcg daecf
fdgbaec ac fcba bdfec agedb adgfec cad adbcef cadeb egbcfd | edcbfa dca fbca acd
agfebdc agbfcd bd fegacd abcge bda bgdf bcdeaf dgafc gdacb | dfceab dcabg adcefb fbdcea
faebd bdcge eca fdbecg dgac ca fecdagb feacbg ebgdac daecb | gcad cadeb eac aec
abgecf cabgf efgcad cgf adebfg fadbc bgce gc gfeab ecfdagb | gbaef gbfae ebcg cg
ecg dcfebg degaf cg gefac gecbdaf cafedg gadc cafeb adfgeb | cge dbeacgf dbfcgae bgcefd
adgfbe fcabegd da daecfg afd begaf cdfeb bdag afbcge ebafd | gabd dgba bgda fdabge
bfgac bfdcega dfeg abgedc cadbef df adcfg fdeacg egdac fcd | df gefd edgf df
cbe efcgbd gcdfe cafedg be cebdgfa gbeafc cadgb dbgce bdef | ecdbfag debf cbe fdeb
begfc acbfd gd gbfcade efdabg fdg ecbgdf cbdgf gebcfa egcd | defgbac dgf gdf fgaceb
befacd efbdgc gfcabde ade gfadce da bdeaf ebgaf bfdec dacb | dbafegc cabd dea edafb
cfd abgfc befgcad agdf dcefgb dfacbg abgefc bfdac bcdae fd | afgd badfegc cbeda cfd
gcbefd bcgfa ad dgae fedgab dba fabgdce gafbd fbgde fdceba | afdbg da fgbad ecfdgb
dabc bdcefa acebf bfcagde cb cfb fbaeg gdefbc caedf dcgaef | fbega fcb cb cb
beadc gdafce ea dacfb ace fgabdc cdgbe dbacfge eadfcb ebfa | ae aecfdb bgacdef beaf
dgf ebgcad cbdfag gf bfgde cfgbdae dfbea cfge gbfecd bcged | cegbfad cfeg dgf gfd
fadeg abedfc abgdfec efg cgefba decfa fgadb cgedfa cedg ge | gedc dcge gefda gefbca
abfecd dcegaf caebfgd gaf bcaeg gcfae defagb dcgf dcfea fg | fg afg beacgfd faebgcd
acdbg cbgead efbgdc acfd cbdfgae bdfag cbafgd fgbea df dgf | begaf fgd fdac fgd
dc cfd badgfc fbgda acdb agdbfe fgcda gdfecb fegacbd fcega | dcf fgbeda cdfaebg cdf
adg geab cgbed dbgca debagc dfabc cebgdf ag eadcbfg adefcg | bcgda bgeadc ag bega
fge fbgced efbcg cafged fe aegbdfc edgcb gecadb fbed fbgac | gfe cebgd agbdcfe gfe
cgfabed ge egf fabged agcbf adge ebafd cfbgde dfbcae abgef | gead feg egfab ebgcfd
faecdbg ecadb fbagce cbf fb acgef agfdce fcadgb cabfe befg | befg fbge fb gfadce
bdagce cedfb dfac bac gfcdbe cdegfab cfeab abegf ca caedfb | afgedcb acgdfbe bca dfcgeb
fcbda fgd agecdf bcedgfa dbag dg fgcdb bacfdg ecfbg bacefd | bdfca fcadb bgefc dfg
fegabcd efagd bdcega dc geacdf gfbca fgacd dgc fdeagb fdce | fced gdc fcgadbe cdg
daecb dacefbg gcabde cfaed df fcbd bfgade aecdfb geacf dfe | bcfd adgefbc fd bcfd
gabecd df begad fcbdeg dfab efbdga fdg gdeaf acfeg gafbcde | df badfeg fd fdgcbea
efcag fegda ec efc gafdeb afbcg dbcgef agbdfec fedgac eacd | cfe fdgbec cgfedba ecf
fegcdb gecfda daebcf ca bagfecd dcfbe adc dgbfa bfcad beca | baec adc ecgbafd acd
geacdf fgb fgabdc bfcgd edfcabg gdafc defgba bf bcedg fbca | aecdfg fcdga agdbfce gbf
edabf aceb bcadef ecfdb eagdf gadfcb dbfcgae ebcfdg ba dba | cbae abcfgde dcbef ecafgdb
dgfecb efgdb cbe gdec gbfac bcdafe fbcdeag cebgf eabgdf ce | ce cdbeaf edgc eafbcdg
cegfd dbcfg acdebf bdeg bcfdge ecfabgd defacg fbd cfbag bd | ecbdaf cdebfa fdecag cdgfe
agcf cegfda ca ebfda bgcdfe fecda egfdc cbgfead adc dcegba | adc cfagbed afcg bdeaf
gcabd gabefc dbfeag cbgedf de fdaebgc efcd bed cdebg bcgef | baecgf cbdga defc de
fcgbae gedc fdbgac egcdaf gdefbca dbeaf dgf gd acgef deafg | gfd dfg gcde dbefa
efadc fedgcb egf dgfabc bgae eg bdfage fagbd dgafe bgdafec | gbea agbe dbgecfa geafd
deabcf bg gfcbaed gacfb gcb fdacgb afceg gdcefb cfdba dagb | fbdagec bcg cdfabge bcg
cfba gdeab cfdga fbd cdgfeb gecdbaf dcagfe bf facdbg fbdag | acbf fgdab abdge facb
fagdbec dgc fgcb dgeaf fcbeda cebgad dgefc egbfcd gc fcebd | egcfd gc facdgbe cadebf
cfgbae cbgdef egfcb ecfgbda fcagb bagedc gdafb ac abc cefa | daebfgc degacb gcebfad acfe
edgac bdfeca acg baecd cdagefb ecfdg geacdb eabfgc gabd ag | abdg agc cebfad adgb
fdgcae cd bcefa cedg adgbef cdf fdeag dbfgca facde gefadbc | dcf geafd edcg dceg
gbead cb aecbd ebdfcag bcd fadce geacbd ebfgda bdfceg acbg | bdc egbdca dagbe cdb
dgeac feacdg fdea cda fgadcb gfcae ecgfab fceagbd da edgbc | acfebdg da fcabdeg da
fdbeagc cge dabegc geacd cg bfdecg fecad gbca eabgd fdbgea | cg gc ecg ceg
ac acdeg fedbag facgedb cfedg edbga cedgab dabc fbgcae ace | fgdecba badegc dacb dacb
ecfa gcefdb fgecad gadbf adgfebc gcdfa bagdce ac acd gdfce | adc ac fbdaecg fgacd
ebcad bfdagec abgf dfgcb af cegafd bfdca gfdacb adf dcfbge | fcgebad febcdg af bgfced
gfdb dabcg cdgbaf ecdgbaf bfcad deabcf gad gd agfedc bgaec | ebgac gbfd dg gfbd
fdegac gedca dce gadebf cegab cd cbegadf gaefd dcgebf fdac | edfabgc afcegd defcgb gbdcfe
fdebag bedcgaf cadefg fdeb fe fea adbeg cbedag bgfac aefbg | ecdfbga agfcbde eaf bedacg
cabegfd deabg bc cfdb bfcgda afdgec bgc febgac fgacd gbdca | dcabg gbc dgfbeca bgc
dbgfac gc dcg cbafde dgafce aceg fgdeb fegdc edafc dgbefac | fdecagb cg gc cg
afcgd degbac dgcab edgcfba dcefab gecbaf gdeb bg dcbea abg | begd gab bged bg
dfbegca afd afdeb ebfac agbd agdfec bgcefd agdbef bfegd ad | ecfbgd da abcef fbcegd
dbecaf agdfe bgcde dgefba fb gbedcfa feb fgedb cdefga fagb | dgaef afbecd bcdge efgdabc
fgcd beafdg gdfbcae becgd gfb edcgfb abcfe acgbed ebcgf fg | dfbgaec gfdc gfedcba becgd
dacgbf abedg febcdg cbafg ce afedbcg feca gbfaec gebca ebc | ce efca aecgfb cfabg
dagfe cfae fgaced dgfebc fegbcda cf cfgad cdf adbfge dcbag | cafgde cfd fc gefda
bcgdefa dfaceb fbgeac bgcfe ebag dcfeg fadbgc bef bafcg be | fgeabcd be fcgab gecbf
acgfbe cbgda gaebdfc fegd bdfcg df fdb cebdfa fegdbc fbceg | adbfceg dcfeba fdb df
df cgdaf efagc cbfd cegbadf cdbag agdfeb cdbgaf dcbage gdf | dfg fgd fdg dgf
fgcdab dcbafe badfe gf befg gfead gaedc abcegfd fga abdefg | bgadef fdbaecg gf befg
gcedfb ecbagf acbgfd gafe begfc afc dabce cedfgab af eacfb | afge af bfcea baegcf
gfcdaeb ecbfgd gd fbceg dfcba bcdgf afgbce gbd fdgabe dcge | gd gcde aegfcbd ebfgc
gbfade befcd bfagec bdaef daebcf cbfgd ec ceb ecad edabfgc | ce ceda fdbce ec
ceagdf gfbae gecfb dabg cedfba abfdecg deafgb afedb ga afg | bagef fdegca ebfcgad decfba
baged fgace cdeb efdabg abcdfg cb abcegd agdfbec abc egacb | bced abc bac fcaeg
bedcfg gfbedca egdfca cadef dac da gbaced feabc adgf cefdg | gdecbfa dabgec cad abecf
cebdag dfgc fc efc caedgfb gcead ecgfda ebafg fegac bacefd | afegb cef ecfgbda gecfabd
afge aebcg eg dfcbae gce bcefa agbcd gcdebf cebagf abfdecg | geaf ceabg abfce gafe
gdcebfa cgeadf cgd gd fdag befcdg fecda bdcafe cebga gaedc | febdcg gd bdefcga fadg
afdcgb gadbfe cebda gacfbde ecdf edb ed agceb bcafd dcfabe | bgcea bde dfec acfgedb
ceabg cagbfd adbcg adcegb dcbe acdbfeg geafbd eb bae cgfae | be bae fecag agcdb
eafcdg de fadgcb bdafe gbfae bdfca abedcf dea aefdcbg becd | afdbcge eda ed aed
fdecg dgeaf fgc ebgfdca gedfba egac cdgaef dfgcab fdebc cg | acge gace cg edgfc
gf dcgae cdabeg gafd gefadc cgeaf cabfe degcfba gfc bcdgef | gfc ecdgafb adgf dgeca
efbcd cafegb fb gedfabc bcf cedfgb fbdg cfeda cdgeb cbedag | cbf fcb bgced bfc
afcbe aedbf aebfgd bcaeg ecf fc cafd eacfbd gfdecb bgcafed | bedcgf cfad ebacg dfgcbe
dcg cgbed dbfcag abcedf gcae fedcabg egfbd eabgcd gc aebdc | cgd ecag dcg cg
fcabged abgdc gac bgafcd gdfab gabefd cdeab cg gadfec cbfg | edcbafg acg dbacegf gbfc
cdf feacb dfbac dbfcga bfgda adgc dc fdebga gcefdb dbaegfc | gbeafd fabdcg dcf cd

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# Copyright 2021 Christian Ulrich
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# usage: ./part1 < input
import strutils
const UniqueDigitSegments: array[4, int] = [
2, # one
4, # four
3, # seven
7, # eight
]
proc countUniqueOutputs(): int =
var line = ""
while readLine(stdin, line):
let parts = line.split('|', 1)
if parts.len() != 2:
raise newException(ValueError, "invalid line")
let outputs = parts[1].splitWhitespace()
if outputs.len() != 4:
raise newException(ValueError, "invalid output values")
for output in outputs:
if output.len() in UniqueDigitSegments:
result.inc()
proc main(): int =
try:
echo countUniqueOutputs()
except Exception as error:
echo error.msg
result = -1
when isMainModule:
quit(main())

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# Copyright 2021 Christian Ulrich
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# usage: ./part1 < input
import math
import sequtils
import strutils
type Segment = enum
a, b, c, d, e, f, g
const SegmentCounts = [6, 2, 5, 5, 4, 5, 6, 3, 7, 6]
# 0: {A, B, C, E, F, G}
# 1*: {C, F}
# 2: {A, C, D, E, G}
# 3: {A, C, D, F, G}
# 4*: {B, C, D, F}
# 5: {A, B, D, F, G}
# 6: {A, B, D, E, F, G}
# 7*: {A, C, F}
# 8*: {A, B, C, D, E, F, G}
# 9: {A, B, C, D, F, G}
proc deduceDigits(patterns: seq[set[Segment]]): array[10, set[Segment]] =
for pattern in patterns:
case pattern.len()
of SegmentCounts[1]:
result[1] = pattern
of SegmentCounts[4]:
result[4] = pattern
of SegmentCounts[7]:
result[7] = pattern
of SegmentCounts[8]:
result[8] = pattern
else:
discard
for pattern in patterns:
case pattern.len()
of 5:
if result[1] <= pattern:
result[3] = pattern
else:
case len(result[4] * pattern)
of 2:
result[2] = pattern
of 3:
result[5] = pattern
else:
assert(false)
of 6:
if result[4] <= pattern:
result[9] = pattern
else:
case len(result[7] * pattern)
of 2:
result[6] = pattern
of 3:
result[0] = pattern
else:
assert(false)
else:
discard
proc parsePattern(pattern: string): set[Segment] =
for c in pattern:
result.incl(parseEnum[Segment]($c))
proc outputValue(): int =
var line = ""
while readLine(stdin, line):
let parts = line.split('|', 1)
if parts.len() != 2:
raise newException(ValueError, "invalid line")
var
inputPatterns = parts[0].splitWhitespace().map(parsePattern)
outputPatterns = parts[1].splitWhitespace().map(parsePattern)
let digits = deduceDigits(inputPatterns)
for i in 0 ..< outputPatterns.len():
let findResult = digits.find(outputPatterns[^(i + 1)])
if findResult < 0:
raise newException(ValueError, "invalid output pattern")
result += 10 ^ i * findResult
proc main(): int =
try:
echo outputValue()
except Exception as error:
echo error.msg
result = -1
when isMainModule:
quit(main())

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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