Added Day 9 Part 1

inputs/input.txt

@@ -1,201 +1,100 @@
-dac abcf ac fdbcga dgcbae gcbfde fgcbd agfed adcgf cdbgfea | cbfa bcafdg cbfa bafcgd
-abfgd baedc feb fgde fbagcd facbdge agcbfe bgafde fe ebdfa | bef fe dgfe feb
-dfc dc afegbc bcafe fcead agefd cafdeb fcbeadg cbed cabdfg | cd geadf cfd bfaec
-efacdgb abefdg efagbc af afe gdeab dbfa dgefa acegbd cdegf | cfdge gefda ecbgdfa eaf
-feg gdbea edgbca gefdab caefdbg egfda afdgc fe cgfdeb efba | edafbg bdefgc egdfa gbead
-bfeac becfd cbgdf gfabed gdefcab dcae edb de bgfaec fdeabc | bcfdg eagbfd fedbc cefdb
-bgecd cea acegfbd ac gbefad cgdae fcag dfega abfedc gecdfa | gfdbae gcaf caedg ac
-acbdfeg bfea agfed cedbg gedfba bfg dcgfea bf agfcbd gebfd | fgedb aefb gebdf fcgeda
-gdcbfa agdfebc ecb fgcba ecgab efgcbd degca egfbac efba eb | egbfdc bfgcda ebaf gecda
-gfcade fgedc agcfeb agdcbf dcae cgefbad ce ecg cdgfa dbfge | ebgdf fgcda gec feacbg
-gcade fcdbea afegcb eafgc acfdbg aecfb fag dgcbafe gf bfge | decga gfeac gebf ecgbfa
-fd dceabg bcgdef dcefag agcbf gcbfd gbceafd cdf dgebc fdeb | cgafde bdgec aegfdc gcabf
-edgafbc bgaedf dbefcg efg fg acfeb bdega adgf cdeabg fbgae | dgacfeb egdfbac fbeca dabceg
-dfecgb ecagbfd ceagd dgb dcfb bcegf abgedf cgbde db facgeb | efabgc ebfgc gdbce bdg
-bcg dbcgea cg eadfcb agfbe cagd dacbe fcbdge abcge cedagfb | dbacgfe agdc dbcfgae bcg
-dgf dfea cbadg gbeafdc fgcbae fgacde gcafe dgfac dfcbeg df | egdbcf eadf agcfd gefac
-da dcgfae dac afcdg edaf fgbaec ebgadc gcfea cabgdfe dgbcf | dac fbaecgd fead ad
-ecd bdecf bgdefac bafcd gdacbf eafd bcgdea bgfec bcadef ed | fgbec ebcfg fedcb cfdba
-edacgb df gaedf gacfe dbegcfa dfg bfegda begad dafb cedgbf | faceg ebadfg fbdcge abfd
-dgeca ebdfa dacegf cgba bcd bc acdbeg edacbgf edcab gedbcf | bc ecdag cb edagc
-facbde deabfg daf gdbac efcd abecgfd cgafeb facdb fd bacef | baefgc edabcf dfce cfdbea
-bafg gdfeb agbdfe ag adfge aedfc dbecag cfgedba bgedcf dga | ga dgefa gbaedcf fgebd
-bcfed cafe cgbefd edfcab fa bgade dabfegc efabd fda gacdbf | bgade ebfdc decbf cbadgf
-fcbgdae agef bcgda af cfbaed gdefc cfa dfcgeb gafcde fdgca | dafceb dbagc adgcbfe cdbafe
-aebdfc dgcf aedgcb acdeg cfe fc dcfega bfage fgace cgfeabd | aefgc dbgefac egbfa egafbdc
-bfgde bcdagf bga ga gfea abcde eafbgd edgab ecdbfag fecdgb | eacbgfd egbfda cdabe ebdgaf
-fbcead afcdgb fbadgce fdabge ea adec aef afcbd ebgcf fbcae | afdebgc bafedg efa dfbca
-gedafb fad gfeabc dgcf dfgabc bdaefgc dfcab abedc df gbacf | fagecb abgfc df gbacf
-gcdeab efadg dfbc cebad ecafd efc bfcaedg acgefb dcaefb cf | ecfgba acedb fbeagc dacfe
-gdfbc aefg adbceg fgabd fdcbea fa abfedgc bdaeg baf debgfa | fba debafc gaef cdbfg
-cgbed dce gdebf fdecgab caedgb ec fagced bcae dbagc agdfbc | beafdgc edc efgdb edfcga
-gdcbf fcga dcfbeg acfdbg cda agebd dabcg edbacf ca afdegbc | dac cfdbg bfecad bfcedga
-gbacdf agef ebf gcedb cfgedba cagbf begafc gecbf ef cafdeb | bfe bdefgac ebf fadbgce
-fdacg efdacb ebgd fdagb bfd dgbfaec efgbad cbaefg bd eagbf | baefg gecafdb ebcfgda cefagb
-degcf ea afecgd fecgbd fecbdag cfaeg deabfg acde bgcaf fea | ecdgf eaf agefc gefcad
-afegbc dbcfea bgefdc gadbc fbeac df dfb adbgcfe fcdab aefd | aegdcfb cdagb efabcd ecafb
-cbagdf efgadb db bdg fbgeac dfcb daceg acbgf fbgaced dagcb | dgb dgebfa dgb faebgd
-fcedb dcbage bc cfadeb dcb degacf gfcadbe dacef fabc gbfed | gfedb dbacef dbc dabcef
-gefad ebdcfag ebcgd cgefdb abcdge ebf bf cgfeab dfcb ebgfd | dgbef afdge gfdae bdgec
-dgbca bg gdb ecabfd efcdgba cgead begfad bcfg fcdba cadfgb | agdcb cdgfeab fdcgaeb gdafecb
-egbdac gab edacb ag bgdfcea dbega agce agfcbd aebfdc debgf | fgbadc bag cbaegdf cdeagb
-gafced agdf cdefa agfceb cbgaefd gecda agc debgc beacdf ag | dgcbe fgda gfad bgcefa
-afegcd gc afecgdb bgfcd gfc fgdcbe bdfca gcbe begdf eabdgf | cgdfbe cg dcbfg gecb
-afb bf afbced aefbc dgceab edabc fbcd befdga ecbadfg fcaeg | fb fdabce fbdc cbfd
-fedba efdbgc fecagd dbc gdfacb ecdfbag bceg bc bcfde cgdef | cbdfge bgcfde acfgdb bdc
-fd efacdb bcdgef fcegb fdb dfegb egadb ecabfg fbgcdae fgcd | dcgf gfdbe gdfc efacgb
-cfbea gdbceaf bdafge fge gf afgd dacgeb dbgfec abdeg gbfea | gdaf dfcgbe fdga febac
-bdgeaf gacedf gedafbc cgebfd cf fdcb cbage cfe fedbg bfceg | gbaec decagf ecf cf
-eacfdb fb gcabf gbdf gfbcade afb dcfag gcabe acgbfd dgcefa | bgdf dabcegf gbafc acfgb
-dbeafg fac degfc fgcbad dgbaf gfaecbd bfecda bacg dfagc ca | adbgf dgaefb acbg ac
-fbdagc dfcea defgc fad faeg debfgc baecd af bgfcade agfced | ecdba dgface abdec gabdcf
-dcabef gcefdab cadg dbfgae ceadb gd bdgce gdb dgceab efbcg | ecfbad dcaeb gbd adbcfge
-cbegf ef cebfgd gdfabe cbagefd efg baecdg cfabg efcd gbedc | debgfc gdafbe baecdg agfecdb
-fagbce aefbg eafdb gebcfd ga gaf eagcfbd ceag fbdcag cbgfe | cbgafd ga gfcbda ga
-aecdf bgfadce eb acgbf dagfcb ecbagf defcbg cbfae fbe gbea | egbfca cafbe ebf bfe
-bcgeda cb bcaf dbfgeca cdegf fdbeag ebc dcfbae bfcde daefb | efadcb gefcd fabedg cafebd
-bcf fdgcb fdaecg gfcda dbcge fb cfegab afdb fdcbage acbdfg | cdgbf fb dgbec gcafeb
-dfac bgefca ebdacf gdefabc gafebd fc dbcef bcdge fbead fce | abdfge dabfe cf afebcdg
-dfabcg eagd cdegb caefb cad da adbec degfcb gdecba afgebcd | edgfcab adcbgf egad defgcb
-gbefc fd becadg dfg abdfgc cfgbd afdc afdebgc gcbad bdgefa | bfcdg fbcdg cgbda abcgd
-ce cebdgf aceb feacg bfecga fce aebfg ecdgafb dgbafe gdcfa | cfage fdcga fcaeg gcafe
-gbac fceagb gadecfb ebagf gefbc cdebf feagdb gcf cg fadegc | agbc cfg fbdgea feabg
-cd eacgfb facbe cfdeab afgbd bdfac caed dbgfaec bgdcfe cdf | acdfb afbdc cdf eacd
-dbfgae geabf aefcg ebcgdfa eb feb agbdcf degb bfadce fgdab | fbdga gbdefa agbfd be
-cdaef bdgc agceb becgad egfcbad cabde bda efbgac bd dbegaf | befagc bd ebcgda gabdce
-ae gabdfe agdbf deabf febcd acegfb edga adegfcb fcgbad bae | dcabegf dgea geda abe
-eg agec cadgf fbcdeg adgfe dcegbaf efg dfcagb fedba cfgade | adcgf gdcaf gef gbcafde
-gfe cfgdab gafdb geda gefbd bfdgea bfaceg fedbc eg aedbfcg | gaebcfd cdafbg afgbcd ecdfb
-fgbca dbf fd ebgad gafdb bgdaef fedgcab dbegac fged dbcafe | afdgb bfd dagbe befdag
-dfgca aegdfc da fcdgaeb ebdcaf deag gfeac bgfdc ceafbg afd | daf adf gacfde cbdefa
-adb gcabd cbged fgdceab cbgfa bdcfae da bgcfda dagf befgca | fgcab ad bda gcbad
-edgfbc fbgecda bgcfe dc aecbgf dgbc cdbfae gfedc gdaef cde | cde fegbc edc befcgd
-cebdg dfc bfde cagfe edcbfg fegcd cdbfgea afcgdb ecdbag fd | fd cfd gcbde feacg
-dbgfc ebcfa gfbac aegf cfbage ag feabdc gdcafeb agb dcbgea | fabce afeg bacgefd gab
-abgec cefbgad gfabdc feagc fag fgdce fbae af acgbfe bdgcea | decbgaf gfecd fcabgd fecdg
-fgdcb fbagde fdgeb daefgc begdcaf baeg feg ge efbda dcfabe | dgcebfa eacdfg fdegb abeg
-fdaecb gebad baedcfg gcde beg dbeac ge bgfeca bgdfa egbadc | egb gaedbc aebdc fbgda
-becfdag gaefbd fcga ebcgda egafcb bgeaf gbefc gc cbdef bcg | ebgacf defcb acfg fcbaegd
-fdgbea fecbd ebc ecdgf bgefdca cdbfae cb daebf ebgdca bacf | decfab bce cdgfeba ceb
-bgc gfeba dcagfb bdfc eabgdcf dfgca gcefda cbgdae gfacb cb | agcdbf daegcfb fdcb bfcd
-adefgc dc dbcage dcgf adc fdaec cbdgfae afebc abdfge fgead | dfbgae fcdg edafc cad
-egca bfcade ga dag eadcf fdebg adfcgb dacgef egfda egdafbc | cfabgd gbdcaf cabfed bdfgac
-dfgacbe ae ceafd cdgafe aec cbfda edcfg cagfbe dgea fgecbd | bcafd fdagce ace ea
-fgbade bfedcag gdceba bf cedafb afb becda adfcg fdacb cefb | bf fba dcabe cfbad
-acgeb dabc db cdebgf adgef gbd cafegb ebadcg aebdg fcbdaeg | gabec gebca abcge dagceb
-egdcf fbgdec fb gdeacf gbfd bef bfcde becda egfcba gafbdec | dbgf fcdeb bdecf bfe
-af ebdac dgacef abgf ecdbfg gefbd eaf abgcfed fadbge dfbae | fgaedb efa edfcga ecbad
-ge fdbge dbgfec aecgfd gef bcge gfcabd befdgca cbdfg fedab | bedfcg gdcabf fge fge
-cdbgea dge fcgabd deacbgf fdcea dcagb eg caedg bgae bfdegc | adgebc cegbfd dge egba
-bgcfade bgedaf bfgc edfac ecgba efb bf dgaecb caefb aebgfc | cgeba efb abedcg gefacb
-dfgec baedg egbdcf egbafdc egacfb efdcag gca cgade cfda ac | ac cdegf deacfbg edcag
-dfeabc ag afbcge bag bfcdg adeg fgdcabe edcab dcgab edcabg | fgbecad bdcea bacefgd bdcafe
-febdg fgdcba afdbgec gaefb aecb afcge ba abf abfcge cafged | afb gcafe fbgea aegfb
-dab caedbg baecfg bafed db dbefag efbcgda afbge ceadf gfbd | bd ebfad cgbeaf db
-fbg dabefcg dgfc gf fadegb ebgcf cgaeb bafdec befdc fdbgce | fgb bafdgce dgcf fabdge
-gdfebac gdceb fcadge fgac cbeafd gaedfb dcfae age aegcd ga | deafgc acdef ga adfcge
-begcfd cgf cg gcbd agedcf cbfaed bcfge cefdb aebgf eafgbcd | fcbde fgbea febcg gcdb
-befcag befdcg fcdg bcefdga gebfd bfgec geabd fd bcefda fed | cegbf cgbeaf aebfdc geabcf
-cdfeba cgabdf afbdceg bea decba ea eadf bcfda fegcab begdc | ebcgd eba ea baced
-bcedg ac dca gcaedf bfdae dafgcbe dbgeac egfcdb bacg abecd | daefcg acgb ac bgefcda
-bfegca bf edgbacf agcef feb fdcgea cbaf becdg cegbf afbdge | bef cbaf bacf fcebga
-edg afbcdeg cafed cafged geca degfa gbafd ecdfbg ge eabcfd | bdfga dgafb deabfc dface
-gfa afcgb cfgdea ga fdbcg febcad aecbfg aegb fcbae dgbafec | cfbea afgecd fcgab ga
-edgfbc adbcgef gdabec egf dfega fdabe fg dfcage afgc cadge | dabfe cdaeg fge befgdc
-dagecb ed cdgfb edcgb becag adbe egdafc cgabfed ced ecabfg | egbdc cgeab efgcdba cbfdg
-afg egdacb gf dfgca fegcab cdaef dgabc afdcgb gdbf fdgbace | dcgfba cefdgab bfaedgc ecfad
-ace agbecd eagf gfbdca cefda fdbec dacfge gfdca ea cbdgafe | gbdcaf deagfbc cafgd ea
-efa baedg dcgaeb febdga efagd adgbcef dfba fedgc gabcfe af | dgafcbe dfba egbda edfag
-fageb edgab da cgdeb fbedag ade afgecd begcfa acfegdb bdaf | ebgfca da ad gcdbe
-ebfac dfbeg ecgfab acfg cg baedfc gce gfbdeac agedcb bfecg | gfeabdc fdbge ebacfd gacf
-abfcg bgfea gbc bdgefca bdacf efcg gecbaf cg gbdafe bdegca | gadebc aebdfg bdefga gc
-cedgb ebfa edcba dab defcab dfeca gacedf bgdefac cbgadf ba | abced abfecdg ba cgdfba
-abcde aedcf afe bcfgdae fbec adcfbe ebdgca ef dbgaef dfgac | cbfe adebc adegcb aebdgcf
-fdgcea aebdgcf egdabc defcbg efcba acbed gcdae bagd db edb | eafbc eabdc eacfb fcedbg
-cefbd gefcb gf becafgd cfdbag gaef cagbe bgf dcaegb efgcba | bgf fage gefa fbg
-ceafb fcegda fcbead cabfg dcgfbea aecfd eb bdcefg bef adbe | fedcag fgcaed gafbc cdfae
-efcabgd fbcda efcad cfeg fde adbegc deagc aefdgc fe dbfaeg | dfe ecgf abfdc eagcd
-dcebga afgbc gfbad efdbcag ca cfea efgcb eabgcf gcbfed cga | afcebg gecfb ac ac
-gceaf dafgceb afcbeg geacfd fbcead bfa fb gbef acbfg acdbg | acgedfb fb gbdac fab
-gbf bgecfd adgfcbe bfgec bfcgda efdcab gf defg bdcef gecba | dgfabec bfg fg becdf
-dg dgb gbacd bdagfc gafd gaceb dbacfe fgebcd gfdaecb cbfad | gbecfd cagbe bdg abdcg
-cdgbe eadcg dcb db bgecfa cegbdfa fdeb acgdbf becfg decgfb | febcg cgbde gfbcae edcbg
-gcfdbae dgf dgeca dcfge dcegbf fcdeba fedcb gfbc afbdeg gf | edfcb dbafec dcgfabe fg
-dfbaceg ab edcfb adb egabcd dgfbac fbag cfbad fagcd gedacf | fgdabc ab feacgd ab
-debga ec edc gfdca agdce afegbd aecdgb bcea cbefgd baefcgd | gadfc defgcb caeb abce
-edabfc fdaeg dgacfe bdacfg cfabdge efcda fgd gdce dg gfbae | abcdfg dfeag edcg acegdf
-bagcfe afedc dbec fadecb fbdega ed afdcg aefcb efagcdb dae | cbedgaf gefabc decb ed
-abe fadecg bfcage bcdafe ecfad afdgb afbde be bedc bfeacdg | bgfad fcdgeab be bcfgead
-bf decgb efb bfegdca bgfd adfce fcdeb gabefc cdaegb fecbgd | decbg fb gdebc gdfb
-gfcbed efdcb dafbcg db gedb deacf cgfbe bdf abfecg defcagb | bdfec cfdeb bd adecf
-gceab gefbda bdegafc fgbd bedacf egd agdeb daefb fagedc dg | dg dacebgf bafegd edg
-abecfg dgbca egc aegcb acgdfe agefdb bfec ce ebcdagf bfgae | bcfe bcfe acgbef gfedcab
-bfacg eafdb cadbge fecbad gcbdafe ge dabegf egfd gae abgfe | ge efgba faebcd dafeb
-gebd db gbcdfea fbd acebgf fedab agcbfd afecd befadg gbfea | bdeaf febag fgecab afcebdg
-defac gdbfce dfbga deagbfc geadfb cbag cdafgb facdg cgf cg | eabgdf caefd cbag gfc
-dafbc fgead edgfac cae gdabec fgeabcd ec acdef debafg cgef | ebcdga cgfeda efdgac cgeafd
-ec dcbafe gbafcd dfgbc dec baedfcg faedg egbc egbfcd dgcfe | dce gbcefd gabcfde adcfeb
-cbegdf ad aecgf befcad agdfc gcbdf adc cfgdbae dabfcg agdb | bdga bagd fcgad ad
-edcbafg ab eafgcb ecdba egfdcb fcabed debcf abdf eba dagce | aeb dbcegf geadcfb aeb
-bg gcefa aefbdc bcgae fbegacd cadeb fcegdb bgc eagcbd badg | bcgea adbfcge cebda cdegab
-ebgad gf edfcb cegdab dbaegf agfd dgbcefa efdgb fbg gabecf | fcadbeg bcedagf dfbge gdaf
-gbcfea ecdbga cgebf bdefcg fdbe de acgfd gedcf fecdbag ced | edfgcb fbde beagcfd gecabd
-gfdceb aegbc ca cbdafg daebcg bac edac gcdbe abegf ceadfbg | ca bca gdebc decgb
-cbfea fgadbe eacgf daefcb fgdeabc acdb ba bgecdf fba fedcb | cdfbega bcfea ba badc
-cbfge bdca dgeba dce ebgcd dc gdebac fcgeadb beafgd fdceag | ebgcd gcdfae begdc agbde
-acg cagdfe cebfdg dgcfa fdbac gdcef baegfc acdegbf ag dgae | cadfg efgabc egcfad dbcaf
-bfae ea eadcfgb dcgba dacefb dcfaeg dae bdcef decba egbfcd | dgcba cdbeaf cedbf fcaegd
-fcga agbedf edcgaf ca dabcef fegadbc ecgda eca gcdbe gefad | ca ca dgebc eca
-bcead fd gbedfa adcgefb fdgcba bagfce adf fdbae dgfe abfeg | ebafgc fegd dfabe edgf
-bca cbfgea cdabfe cedfa fdbc cgabefd cagdef eacbd cb bgdea | dcbaef cb bfcd cab
-baedgf debaf edga bgafedc bda ecfbd ad bgdfac afgbe abcfge | aged bfedc abd cdebf
-acgdb agcdef egc baefcd cfead fbdgeca ge dgace gaef dgcfeb | cbeafd acfed ebfdgc fdceag
-dbegfa ef fbagce dcgfab efb agfbc cegdfab fecg dcbae aefcb | bgdfea afcgbe fe bafcg
-eabdf fegb aecfgbd fg cabdgf agf dgeca adegbf dacfbe dgefa | bdecafg fgbe agbefd fabed
-gdbec facbeg gbedf egabc dgaebc dcb adgc baecfd cd ceadgbf | dc dc cbaefd cgdbeaf
-ef cfgab fegbc bdecg adbcfge agebfc bafcgd acfe ebf dfaegb | fbdgae ecfbg feac afec
-agdebfc dae ecdf bfacge fegca dabcg de gdace gdabfe cfgead | egbdaf gabcd dea gfbace
-ecg gabce fdecbg edacgb eacbf aegdb cg fcbeadg abgfed dgac | dbgae gec geabc ebcgdf
-fabec fd egdfca dcf dcfgbe dgeabc dgecb febgacd bfdg dfbec | beacf df egacfd fbcae
-eacf gfebad cefgad adcgf af bceadg dfa bfdgc gfeadbc ecadg | adf aefc dfagce caegd
-afgbec fbgdc ag gaebcd agc gfdeacb bcefa ebcfda fgbac fgae | fbgdc bdgfc agc dacbef
-bc bfcad cbgfed baec cbd fdacg fdbae aedgfbc faegbd cdbfea | ecgbdf gfbdea dfcag beca
-bedgafc fbdea efgdbc edg cefg fbgdc eg cgafdb febdg egdabc | fcbgda ge cbagdfe gbdcf
-bgdeca fadcegb adg cfaegd bdae edcbg ad bcgfa cadgb fecgdb | dafgce gecdba dbfegc edbgfc
-ecgafd faebg gbce defbacg ebfagc eab fadecb be aecgf dfgba | bfgae dfabgec efacg ebgfa
-edfg fad bgead cgaebd bcdgaf fdebgac dafgbe ebfac badfe df | eabfc begfad dgbea dbeaf
-cdaeb acdbfg gfeac aefcd gecfad gefd bfgcae fd beacgdf daf | egcaf gbdafc bagecf fedg
-gf aefcd adegbc fecdgb gcebd fcbg cgdef edfabg eadbfgc dgf | bfgc bgecd gdcefba abcdeg
-gfdcbae cegdab ecgbf dcabef cegdb caegf fbgd bf bfe edfbcg | bf cbfeg ecfag bef
-befdga bcagdef ebgaf bcfega ce cbge gfacd cae cfaebd eagfc | fdgeab cgeaf fgceab eacfg
-adgbe gcadbef gbfe befadc fdbga agced bde acbfgd fgbeda eb | abefcd dfcaeb gaecd decga
-gdbfec fbdce fgcade ebadfgc cb eacdgb bcd edfba fgbc edgfc | gfeadcb bfead fgbc cbd
-dfaegc deabgc fabdceg gcf fc fdbcag cfde gacfe fbeag aegcd | afedgc gcf cfed fdec
-acdfb dfaec bdcfga ceafbg gedabc fbgd bf cgbad cbf fdgcabe | bfegcda gadbc cdefa caedf
-cfgae dcfageb gbdf gebacd edcfg cdg cdbef dg cdfeab bcefdg | geacf dfgb dg facge
-gcdab dabgec fecadg ae cbadgf ade cbaed beag cebdf cbdfgae | bacdg eda facbedg gfbdac
-fd dfgbcae bdf fgbda cgabf beagd cbadfe gdabfe dbaceg fdeg | fbd gdbae cdebgaf fadgb
-ecgdb bfdgec fce caebgd fc fageb fcedga gcebadf cbdf egcbf | decgb cdgfea edcafg cfdebg
-bafgd abcedf egb bdacge fageb adecfgb febcag fecab cefg ge | ge bafec ge ge
-agcbd dac dcebfga ac ceba bcged gaedfc ebgdca adgbf cbfged | bgfad bace fecbgd adc
-agcfd cag gbecfad agdfe gcedfb cbad ac cgbfae bdgcf acfbgd | gbafcd eafbcg gdafe cgefab
-geadfc bfeg bf bcf bdgca ceadgbf eabfcg bgcfa cfedab afgce | acefg gacdb agecf cgbfa
-aecbd afced af dfcge afbc edfcab cgbeda gabfde afd faegcdb | fgedc dfaec bdfaec cdegf
-dcbfge ab bdgeca bae gcba debcg dagbfe gdeacfb acedb acdfe | cdbgea adgceb ebdca aegdfb
-ecfadg agfce da cfbgea dae aedcg bfaced cgdbefa debgc dfga | eacdg afcebd faegc bafegc
-df fdg dfcega gfbce aebdg bdafge bfad egbdf dbafgec acdgeb | afgedb egfdb df fbad
-eafbc egbac fcb cf cgbadf becdagf cbdaeg efagcb aefbd ecfg | cf cf cgfe acegb
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inputs/sample.txt

@@ -1 +1,5 @@
-acedgfb cdfbe gcdfa fbcad dab cefabd cdfgeb eafb cagedb ab | cdfeb fcadb cdfeb cdbaf
+2199943210
+3987894921
+9856789892
+8767896789
+9899965678

src/main.rs

@@ -6,90 +6,43 @@ const INPUTS: [&'static str; 2] = [
     include_str!("../inputs/input.txt"),
 ];
 
-const fn map_to_segment(c: char) -> u8 {
-    1 << (c as u8 - b'a')
+fn parse_input(input: &'static str) -> Vec<Vec<u8>> {
+    input
+        .lines()
+        .filter(|&x| !x.is_empty())
+        .map(|line| line.bytes().map(|x| x - b'0').collect())
+        .collect()
 }
 
-fn parse_input(input: &'static str) -> impl Iterator<Item = (Vec<u8>, Vec<u8>)> {
-    input.lines().filter(|&x| !x.is_empty()).map(|line| {
-        let (hints, displays) = line.split_once(" | ").unwrap();
+const NEIGHBOURS: [[i32; 2]; 4] = [[-1, 0], [1, 0], [0, -1], [0, 1]];
 
-        let hints = hints
-            .split(' ')
-            .filter(|x| !x.is_empty())
-            .map(|hint| {
-                let mut out = 0;
-                for c in hint.chars() {
-                    out |= map_to_segment(c);
-                }
-                out
-            })
-            .collect();
-
-        let digits = displays
-            .split(' ')
-            .filter(|x| !x.is_empty())
-            .map(|hint| {
-                let mut out = 0;
-                for c in hint.chars() {
-                    out |= map_to_segment(c);
-                }
-                out
-            })
-            .collect();
-
-        (hints, digits)
-    })
-}
-
-fn decode_hint(hints: Vec<u8>) -> [u8; 10] {
-    let mut out = [0; 10];
-
-    for &hint in hints.iter() {
-        match hint.count_ones() {
-            2 => out[1] = hint,
-            4 => out[4] = hint,
-            3 => out[7] = hint,
-            7 => out[8] = hint,
-
-            _ => (),
-        }
-    }
+fn solution(input: Vec<Vec<u8>>) -> i32 {
+    let mut answer = 0;
 
-    for hint in hints {
-        let one_overlap = (hint & out[1]).count_ones();
-        let four_overlap = (hint & out[4]).count_ones();
+    let m = input.len();
+    let n = input[0].len();
 
-        match (hint.count_ones(), one_overlap, four_overlap) {
-            (5, 1, 2) => out[2] = hint,
-            (5, 2, 3) => out[3] = hint,
-            (5, 1, 3) => out[5] = hint,
-            (6, 1, 3) => out[6] = hint,
-            (6, 2, 4) => out[9] = hint,
-            (6, 2, 3) => out[0] = hint,
-            _ => (),
-        }
-    }
+    for i in 0..m {
+        for j in 0..n {
+            let mut is_minimum = true;
 
-    return out;
-}
+            for &neighbour in NEIGHBOURS.iter() {
+                let x = i as i32 + neighbour[0];
+                let y = j as i32 + neighbour[1];
 
-fn solution(input: impl Iterator<Item = (Vec<u8>, Vec<u8>)>) -> i32 {
-    let mut answer = 0;
-    for (hints, digits) in input {
-        let decoded_hints = decode_hint(hints);
-        let mut out = 0;
+                if x < 0 || y < 0 || x >= m as i32 || y >= n as i32 {
+                    continue;
+                }
 
-        let offset = digits.len() as u32;
-        for (j, digit) in digits.into_iter().enumerate() {
-            for (i, &hint) in decoded_hints.iter().enumerate() {
-                if hint == digit {
-                    out += i as i32 * 10i32.pow(offset - j as u32 - 1);
+                if input[i][j] >= input[x as usize][y as usize] {
+                    is_minimum = false;
                 }
             }
-        }
 
-        answer += out;
+            if is_minimum {
+                answer += input[i][j] as i32 + 1;
+            }
+        }
     }
 
     answer
@@ -105,9 +58,9 @@ fn main() {
 
 #[bench]
 fn solution_bench(b: &mut test::Bencher) {
+    let input = parse_input(INPUTS[1]);
     b.iter(|| {
-        let input = parse_input(INPUTS[1]);
-        let result = solution(input);
+        let result = solution(input.clone());
         test::black_box(result);
     })
 }