diff options
| -rw-r--r-- | 2021/08/example | 10 | ||||
| -rw-r--r-- | 2021/08/first.go | 25 | ||||
| -rw-r--r-- | 2021/08/input | 200 | ||||
| -rw-r--r-- | 2021/08/second.go | 143 |
4 files changed, 378 insertions, 0 deletions
diff --git a/2021/08/example b/2021/08/example new file mode 100644 index 0000000..c9f629b --- /dev/null +++ b/2021/08/example @@ -0,0 +1,10 @@ +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 diff --git a/2021/08/first.go b/2021/08/first.go new file mode 100644 index 0000000..d21fe67 --- /dev/null +++ b/2021/08/first.go @@ -0,0 +1,25 @@ +package main + +import ( + "bufio" + "fmt" + "os" + "strings" +) + +func main() { + score := 0 + + s := bufio.NewScanner(os.Stdin) + for s.Scan() { + inputs := strings.Split(s.Text(), " | ") + output := strings.Split(inputs[1], " ") + for _, v := range output { + l := len(v) + if l < 5 || l == 7 { + score++ + } + } + } + fmt.Println(score) +} diff --git a/2021/08/input b/2021/08/input new file mode 100644 index 0000000..b74fad4 --- /dev/null +++ b/2021/08/input @@ -0,0 +1,200 @@ +bge dacgef gefac geabf gcab baedf efbdgc agcfeb gb edacfgb | dabef caefg gb gfabe +cefgda agcbf febcda dc bfeda bdec cabfd dbafge febgacd dca | gafedc dfcab cd abgcf +fabe gfdcea cbdga fgbdec dacfbeg geabc gaecf be agfbce beg | ebacfg fegdca agceb bafe +gb fegac dgbafc dgba gdbfeac fcbade edcbgf fgacb bgf abfcd | cfedbag gbf fgcea agdb +fedgc adecbgf fec fcabde fc fgbc edcfbg aegdf egcdb gebdac | gecdf fc defcg cgdeab +edgfac fcgbea fdbca dcgeabf gceba ed edcgab debg edabc ade | dbcaf cgfdbae dbeg egbdcaf +cbagef fdcga dgaefb de acfeb ceafd ecbd dfabec bcfdega ade | ed dbefac cafbed ed +dfecgb afcde fg cbdgfa edbgac cdfag dbfgeca gcf gbfa gdcba | fg bedfgc bdcafg gbfdeac +ecagbf eba eb gbefa gfabcd efcb ebagcd gcfabed abcfg gefad | dfcbga efbagc eagcdbf be +fce bcagf bcdgaef agbfdc efbda cebdfg geca gbecaf bceaf ec | gcea abcef cefab cbgaf +fdacbe gade gbd gbdfca dg cgdefba fecgb gecdb dbeca cabged | egad eadg ebcgd cbfeda +bcgaef dcbgfa ecgd gd bgade cebag gbaecd fadeb dag fcaedbg | dg aecbfg dg edgc +dbafg cadbgfe eacfg afgeb begcaf bgce bae ebafcd dcgaef be | bfgad eb gfaeb aegbcfd +abg fadeb acgef cgeb gbfcea bagfdc aegbf adebgcf aedcgf gb | dfbea dfgcae ebdfa afbgdc +gb agedc bcgaef dfacbe acbfe egb begac gefbcd dbgcaef bfga | bg bgecdf cbfaged bdfgce +fbac adcge ba abe cfdegab aebdcf gcdbfe fgdabe adbce bfecd | cgdfbea adebc bedac cfdgaeb +egdfac cfa adbfce cdbfge cebdafg cabeg efdcg fa efgca fadg | dbfgcea cfgdea fa egcab +abdgfec dbac dbgef bga fgcbea ba gcdea decgaf dageb dcabeg | abgedc bga efdbg adcgbe +caebd gecaf gb gcdaeb afbdce geabc gfbdea bag agdfcbe dcbg | gba abegc gb gab +bgdfae fadcge aef ef dafeb bgef abegd fcdeabg fdcab gdbace | dgabe gacefd fgbe abedf +fdecga egdac gdefcab ae fegacb dacgf eag gebdc cagdfb efda | cfadg edagc gfdeca ae +dge cdbgea cegbf dgecb daceb dg eafdgbc gbda cgfade baedfc | cadgef bgcef gcadbef decab +fdeagc eacgbf befagd cdfeb dbga feabd da eabgfcd gfbae adf | adf fda da edbgaf +egcda ab gebcaf cabeg befgc adefcb eab cdeafbg gbdfce gfab | fgebc ecgfba cbfgde deacg +dbfcga adbcegf agd caged degf fdgcea cgeaf gd ebagcf bdeac | dfabgc bdacgf bacgef gd +gcfdae ged ge edbagcf dbgef bgce efdba fedbgc fgdcb adfgcb | afgbdc agbfcd aebdf gfedac +gafdeb bd ecfdgb dbaf decfbga cgeab bde agdfe gfdcea begad | aegbc gbace acebg caefgd +edgbc fgdac bgef dfb efgdbc gcaedb fb fadbcge gcfdb afbecd | abcdfe dbceg agecbfd fb +edbac cdbef cedfgba ba dba fbaged gbac decgba egcda cfedag | edgbac edcba ba dfcaeg +faceg df acdfge fedca gdaf fegacb gcdfeb cfeabgd ecbad dfe | fd cgefad eafcd dfag +fcabd cbe gfcbea ec cagbfde dbefag bafec ecag edgfbc gbafe | afbeg geacbdf cbe afbge +gbfdae cebfad cdfeg ga fadbe adbgfc adg baeg gacbfde gfade | bgeafd aefdcbg gda fcdbag +cbgf fecba gc gcabde agecf agdef adbegcf cegfab ecg fbaedc | ecg cfgedab cdbgae cfgbade +abcged dcgef fdeag gbdcf edc gafdecb fbgdea ceagfd ce afce | aecf ec cdgfeab cafe +begfdc geb faeg abfdcg efacgbd dgfbae eg fadbg abdeg dcaeb | fbagd fgea gbedcf dgafb +agecd faegb db egbfda bgeda ecbgdfa bgefac gcfdba fdbe dgb | gdb fdbe efbd fbeagc +aedgcb df adcbfeg gefd befdc bfdagc bgcde fdb gbedfc aebcf | degacb fd fdge gedf +fgbeadc ced acdb edbgfa fcgea dc dfabe fbcgde edabcf fadce | ecd egcfa fbcdge cd +dcabfe adgbe gafed fdgeab dfgb fecagd bgace db ebcdfag edb | fbdaeg dafbeg gebda gaebfd +bcadg bagecf cgfd gadbe adcfb fdbgaec fgabdc gc bgc ceabfd | egdcabf afgbec cabfed dbagcf +dgeabfc ega cagfb feagcb gedfb ceaf dbgfac ae eafbg bdagce | bcagf aeg feac ae +gbec bcgaf ge ecbafg eabfcdg cdgaef fcgbda fge fadeb fbeag | ge bgce edgfcab gadfcb +fca fecabgd dafe fadcg gecda gcabde dcfbg dcafeg aebgcf fa | af dcfbg fead bgecafd +gcfeba bg cdbfa adgbcf gdba fbecagd fgcde eadfcb bgc fgbdc | dacbfe bacdf fcgdb dgab +abfcd cefg gdcbe gcbade fedcbg fde bedfc cabdegf ef fbdage | bedfcg gcebd def edcbga +cadeg bc cbd gabfd adbcg cbfgead adgbcf efabgd befcdg afcb | gdfaeb bafc gbafd gfdcbe +bfcgd ca cage dcfga fca becadf fgbcdae gacfed fgbeda gdfea | acf cfa acf ca +bedac dfebca gcaeb agdb acg bdegac ga fgdabce cdfgea befcg | daefcg dgacbe ga cdegfa +ga bga acedbf gbdec cgaefb faedb ebgdaf fdag bdgea cgbfead | cdbge becgd afcebd bag +gb aefgcd gba febca bfdgca fcebdag cegba gedb ceagd gdbcae | dagce bg abg abg +deba agdfceb gbeac cbdge ed efadcg cegbfa deg gbcfd decgab | cfdbg ged gbcfd ed +cefga fe bcfag acebgd fae gdeac feadbg gcbefda efdc fgecad | ecfdag fe fgeac afe +afbcdge aegcf feadb bgec fcabe bc cfagdb fbc fcgaeb dfeagc | gceb fcb beacf cfeba +dagcef cb gbfed adcef decfb cbd fabc bdgceaf gdbace bcdfae | cb bcd gacdbe adbfgec +beafg bdf adfec db acdegf bdca dbaef egbfdc cgbdfea bfadec | fbega egdbfc bfegcad cdab +ecbgf bacd agdfcbe bfeca bea badfce afcde acfdeg ba gdefab | abe ba aebdfg aeb +gecfbd fe fde egdabf dbagf edagf efba aedcg efbagcd fdcgab | egadf agdcfb fbea cagdbf +cfgab abdgce ag bcfae abg cbfgd bacdef dbfeagc eacbgf gfae | gba abegcdf gafe ebgcfa +egd bceag cedbg bfegac fgdcb ed ecdabg cafgbde bgedfa ecda | dbcge edcgb aedgbf cebdga +gabde agf debafgc cdbfa gefadc fbdga gf fcgb acefbd bdcgfa | gfa eagdfcb abdfc gf +dfba gcabe becfgd gacfd gbf facbged adfbgc ecfagd cbfga fb | dafcg dcfagb ceabg fgdac +bfa afbecgd bgacef gbfda dacefg bf edbf eafdg egfadb cbdag | efbdga fgbda dbfag fecgda +dgb efcgb dcgbe db gecfbd fbgaced agedc gbfeda fdbc egbacf | cgbde dbeacgf afgcebd dbfc +cde cfbadeg cfgea cdfgb degb ed bfdecg fgced fdceab bgcdfa | afgdbc afgec bgdfca egfdc +agedfc acfg af gaecd agebdf daf ebdcga dfebc cafde cfgedba | gfac afgc cdbef adbcge +gfbcae fegad cdfeag degfab bagdf gb debg fcdba fcbdage fgb | fcbda bfdaeg bg bfg +beafgc gacbde cebdg fcb ebafgdc bfgd fb fegdcb decbf faecd | fdeac fdbg ecdfb ecdbg +fbgaed dbceg abdefgc gbcedf dbc edcf bgafcd dc gebdf begca | eabcg abceg bedgf acbeg +cgfbead agc fedga gc dafcg fcgb cfbad gadbce cbfdag bfeacd | gac gcbf fcbg cdgaf +cbdf dc cebdfg gfdce afedg fgecb gcd edcagbf ebcafg baegcd | cd dgc dc dcbaeg +adfeg eagcdb fbac fc gcf fgbaec gcefa fcegdb cdefbga bcgea | fgc agcdbe gcfebd bcfa +aeg febacd ecgdaf cbfag eg dgce dafbge gcfea fgceabd efadc | eg dfcea eacgf gdec +bfdcge eabdfc geadb efcad afedgc afcebgd gcaf agdef gef fg | dafeg beadg abdfcge efdgbc +bfc fb afceg efcba gfecda bfga bdeac debfacg egbfca fbgced | geafc cbf bf fgaedc +ad bcdeg gacebf gafec gcfabde dfcgea bcaedf adc dgaf edgca | ad cda agbfced degbc +ec bcdfge ebafdgc fbeag cega dabfc fabce bafgce dgfaeb bce | cafgbde cega bgdcfe cgae +gf bcdfe gdecba fecdg cafgdeb egadbf fge egafdc gcfa eacdg | gf fcdegab fbgdae gfe +aecfd befg aeb be caebdg fabce cafbg dabfcg bedfcag fcegba | gafbecd cgbfae agdbfc gcfab +gcedf af fdbcga afcdgeb abecg bafe fagce bdcgea begfca fga | fa bcfaeg bcgead agecb +cgfeba dgcfbe dfgbe gecd bfgeda cbfgd cfdab cgb gc dgcabfe | fdbca gc edfbag gc +fgdcae ecafd cd afegd cefba dgfbce cdf gfdeabc cgda fegdba | cbeaf cfd gdfabe deacf +facgd fbedagc dafceb cadfeg ag fga bedfag fbdgc cega dfcae | cgea cfdga gfa fgadeb +ecgbfa gcdabf cfbed egdcafb egdfb gd deag bgd gbafe dabfge | egabcf afdbcge fcdbe bcfed +fbgcde fagebdc fcad gebca cfe aefdgb fdgae fgaced gfaec cf | cfgea cegfa fce dfgea +dcafbe ead fegcabd begdc cdeba geabdf ae fcgbad acef acdbf | gdbce aed ecafbd bcfda +cagdeb fea cfabge gfacedb bdfe ef cbdae aecfd fcagd dcfeba | fabedc acgfeb afe dcgfa +dg cfdabg bcdfa ebcgdaf bfagd bdcg gfaeb eadcfg adbfce fdg | bdcfgae aefcdg fbedac cdafgb +eagfdb ebcdga bceda fd efdacb cfeda bacgdef dbcf dfe aecgf | bdegfa dceab fed aedcb +cbfeag dacfbe edfcb adfc fde afdebg begdc df bdcefga eabcf | fagedbc dfca ebcaf cebfga +ebac eb ebgaf fgdea befcdg dfcagb gfabc dfcbega gbcfea bfe | abec bcgfa feb agcbf +fgcabde egbcf ga gadfce dbegaf acgd cfedab fdeac egafc agf | afdecb faebgd adfce dabgfe +fbaecd gedcb cfbea fd gcfaeb cadf cgaedbf def ecfdb efgadb | fcbaedg fbegda fcad baecdf +bagfc aegcfb fdb gdfc df dcfbga dgabf agecbfd cfbade gaedb | cagfb fbd fdb df +agcbde fab dcfea gdbf dfbagc cabgfe badgc bf abcfgde bdacf | fdbg dcbga baf dbgf +baecgd ebfgd cgaed af afdgce dfgae aef debfca afgc cgfbaed | edacbg gceda afe gfdbe +dcgfe adfbegc cbg bc feadbg bdca afgdb gfcdb facdgb cafebg | dcegf fcgeab bagcdf bcg +cabgf efcbda ecdafgb gfcdb dc dceg dcf bdefg dbegfc gebadf | bgaedf edgfb efdcbg dfgbe +dgbca fegdab dgfecb egaf dbafe adbgf bgf bdcefa gf gfcbdea | dfbcea faedbg gfae fbg +ebadf fbgc egacb cfe fgbcaed aedgcf aebfc dabecg cf ecgbfa | cf fgcbea bdefa ecf +gbefa ga bfgaed gefbcda bcedfa defab gfa aedcfg cefgb badg | ecgadf gdfeca ecgdaf edfba +edacg cdgb egacf dg adbceg fbadec gda ebdca bagedcf baefdg | gd bdcea badcfe dga +debagc gfedac gbdfe efdcg gdfbce bgafdec be bed gbafd cfeb | be becf bcagdfe ecdfga +dbaeg bf edfgc egdbf fbda bedacgf cgdabe feb faebdg egfacb | gedbf dfacegb edgabfc fb +feacb afbgdec fcedab dbec cgebaf dbf db dfbea dagcfb fdaeg | eacbf gdeaf bd edbc +gfaced defgab gaebc cfda cf aefgd cgfdbe caegf defcgab ecf | bcgea acbeg cegba gbeca +fbced eg gbe gaecdb gcfeb dgef befgcd aecdbf gabcf egabfdc | cefabdg gcfba fdebca bcdfe +eab abgfed cgbafe fdcgeab bface gcae ae adfcb egfbc gbfcde | geca efcgab cdbaf ae +bcadg cadgbf adcefb dcgae ced gdeaf gecb cadbge ec bdfgaec | cdagb edgbfca ec cgeb +df gbacf aegcbd adcbe afdbc fad cbaefd edfb agcdfe gadcfeb | dacbf fbcad dbfac cbagf +faecdb eabcfg fbgd fdbeacg fbdcge cbdfe cdebg gb agedc gbe | deacg edbcgf fcbgae fbagce +dfcb faegcd cdgfe ceadgb ebagf bgc fcbeg gcefdab ebcgdf cb | cfegb cb cefdg faecgd +fgacbde be ceagdb gcefd ceb afgecd fcgeb cfbag dfeb egdbfc | dfaecg eb gbcadef fdbe +db bedgc gebcda cgeab fecagb aebd ecagbfd dgb dcefg fgbcda | db aegcfb abed gebdc +faceb edagcf gabefc cfa debaf ac gbca dbgcfe fagbecd ecfbg | gecfadb fecab acdgfe eadcbgf +gce fgca ecfda gbeda gdfbec agdce afecgd gc acbdfe gbefdca | eacgdf acgf aedcg fcead +fdega afbge gb abdfcg acfeb gfb edbgfca cbeg acdbfe efcagb | gbaef ecbg gb bdcfag +bfedgca egfb agcfe bg cagefd dfabcg cgb cbega fgceba cbead | aefgc gcafebd gcafe gbfe +dbafcg aecfg eacgbf febg fgacdbe afg gf aefbc aegdc cadfeb | efcab bdcgfa bgfe fegadcb +gbcea dec gfbdce efcbad abdfe fcadbge becad ebdfga dc cfad | bgfecd cebadf gecdafb dfac +fecdb fagdcb eabcg gf fbg cgfeb bgacde agbcfe eagf bgdfcae | fg agecb dbcfgae cbdfe +afcbde gbfac fcdgab bgfcae fcdg edgab agbecfd cda dgbca cd | dc acd eafdbc afebgc +aecdg dgef dcabeg df fdcaeb feagbcd fad fbagc dacgfe fgacd | egdf dgabec gfde bcgfa +cag gfacdeb cfgdae badge gc aecgd cafegb fgdc fedcba cadfe | acg cag ecadf fbdaec +agbc fegdcb dbafe cafegd adfcg acdfbg gb gbfda agedbcf gbf | cbag gfb dbfga fdbag +gadcbe ac bfacged acbf fdcag cad gcdfb afbcdg dgfbec faedg | cgbafd aecbdg fbdcg dbefcag +dgeba badgecf cgd dbagcf dfgceb cbagef cagfb abdgc dafc cd | fcda gbacf cadf abcdgf +aecgdf dfabge efcga gced de dafce bdgeafc aed gebacf adbfc | afgbde eda cbeagf fegca +cg cadbeg dcbef gcedf fcbg gedaf feabdc bgcadef gecbdf dgc | cdg cg fgebdc gc +fagedb gefbc eagcfdb gcb baefg cefbd acgdbe cg cafg beacgf | bcg ecbfd eafbg fgac +bfaeg debcfg befca fedgbca fg gbaed cfdabe gfb gbcaef acgf | ecbfa gbf cgaf daebg +cad egdbacf egcaf aegd dfcega debcfa afgdc cdgbf bcafeg da | dgbfc cafdg gfbcd egda +agfedb cafegbd fde eagf aefbd gbadfc eadcb fbcgde fe fdgba | fbgda fe befgdc fe +agdecb gd dbefg debfc geafb gbefca bdg cbegafd gdfa fgdeab | gdebf fdag gfad gcabdfe +dcegb fecg gfbdec fg gedcab bfdage fgbcd gdabfec dfbca dfg | fg bdgce bfcda aefgdb +bdceag gdcfe cfedgb ecdfb bc afecbdg ceb facdeg abefd fcbg | dfbae fgedac ecgadb fecdb +afb cafbeg fcdag dfbe gbdcafe fb ebdgca dcaeb dcaefb dcabf | bf befagc efbadc cbgeaf +bedagc daeg decabgf gdabfc bgeafc cgabe acd da efbcd abdec | fcedb gade fcagbde bafgdec +gaced gefdb fc acdbfe bfcgeda gcfa fdc dacgfe debgca fegcd | gcaf fc bacdge cfd +abfed dcgae edgfbc dcb dacegb abgc ebafdcg aegdcf cb eabcd | dgcae cbaegd cgab eabfd +eg becg adbeg eafbd befcdag dgabcf bgacd cbdage facedg gae | gceb ge bcge abdfcge +gdfcbe ea gdfcea cbfed acebf aedbcf gacdbef eabd fgabc fea | adcbgef fegdacb efa abed +bagced fbaed ebgfca abd ebgfda gdaf cfbegad bdcef da egabf | febga aebfd fabde bad +fcdeab cdgbaf bed efdagb acfdb ed cdebf becfg gefcbda aedc | edac acde dgfbac dbgafc +afeg cbgdfe bag cbfgaed fbgdac abcgef cfbge cbega ga dacbe | ceabd fcgeb gaef afbedgc +bdae dce egdbc adgefc cafbge abegc fgbdc cabedg fabedgc de | gdcbf de baceg ed +gfdcba cegfa cdbe acgbe gcadeb cba bc edabg gbefda badcgef | bca bgadcf gbdea gbeac +dfgeb egcfd dabgce afbedc bgd fgaedb bgfa fcbdgea fadbe gb | gfab fdegc fabed cegadb +dacg ad dgeab efagbcd efbga bgdeca edfbgc bedgc bda dcbeaf | cbeagd dcfbeag beagf gbfecd +gdce aebgcf adgfc afecg bafdc cdgfea dgf gd bdagfe bdecgfa | bfcedag fdgca bgcaef gdf +fceba cfebg cea fgbead faebd dabc ecadfgb gdecaf ecdbaf ca | ca dacbef ac dfeacb +adgceb baeg bde cbgdeaf dbgca gcfdba dgcfe cdebg dfeabc eb | bgcade dbe bgdfcae edcbaf +ecbafg eg adbefg gfeac ega cdagefb bcgaf gabcdf cbeg aefcd | ecgb cadef cbeg bfgdae +fedcagb gdcabf cdb dc dgbfe feabc cabdfe fbced abegcf cade | beacdf dcae efacb abcgfd +daecfb adgbe gcd agcbdf bcdfge ecgf becgd cedfb gc dcaegbf | cg cabgdf gefc fgce +bdafe dbfacg gdbcf dag ga debacg fcgbed afcg gdfba ebdfacg | aedfb agdfb gdfbc ag +fbaced fbacd bagced fgba agcbfd gebfdca bg fcdbg dcgef gbd | afegdcb gdb ebcdfa cbegda +acbfdg gde bdeaf debfcg gbadc cgea degacb eg abedfcg bdeag | agcdb deg edbfgc bdcgef +cdgabe cd bcfga fbdceag adgef fedbag cfgad cagdfe gcd ecdf | fdec bacgf agfbc gbdcea +cadgef befgdc be dfabc gecfd cgfabe cefbd bdeg efb dgefcba | efgcd gaefcb cgaefb bgde +eda fbdacge cfaeg edbcf da adebfg bacgef dcaef fedagc gacd | cdga cagfe da cebfag +bgefca bdac dec dafec gfebcad acfeb aefdg afbecd cebgdf cd | agdfe cdab bdac agdfe +bfdgae gfdaecb cgabdf agebdc cbdag gbf gdbfc fb afcb cgedf | fcdbg fbg cfab fegdc +de fcdbe dceagb bcafd bed cgabef edgf becfg cbefgd gfadcbe | baecgdf edb gbaced ebfcg +facgebd gedcf aebfcd aegcf egdbcf edf edbcag gbedc df dgfb | gdecb gfbecd geafc dfgce +bfgac gfcabe fdab afgcbd gfdec eagdfbc eabdgc dgcaf dga ad | da da dgcfa cbgaf +fdaeb fdaebc fabgd ag fag afedgb dfbcg gdea bcfgae fbcadge | agdfb bedgfa gfa agf +dc dac fedagb fdcg gfecadb gafed bacged fdeca fabce dcgeaf | gcdf daegcb dc fgdae +dgba fgcbae gfecabd gedacb dbgec ab dfeca bea dcbfge edcab | baefgcd dcafbge cdbeg abced +agfcbde bdf fbecdg fdaeb bacd fcdea gbfae db cfeabd efgdca | cabd fbd fgecadb dacb +bfcda badefc bfgdac gacd fga fdgba ag ceagfdb bcgeaf fgedb | bacfed afg gdcfab febcad +adcge gebd bfegcad fgcaeb ed facbde fgcda bgdeca dea gaecb | dae dgbe bagcde cbaedfg +fca gfaedb fecdga bfce bgecaf dcagb cfdebag bagfe cf fgcba | acgbf afcbdge cagfb fc +caegfdb adecbf cef gdbfec dbgfca abceg afbce dbcaf fade fe | abdegfc fdcegb dafe bcgdfe +eagfcd afbg bfe cgabfe abgdfec acbef dcabe fb cbgdfe gfaec | ecfba fgab debcgfa bedca +befdg dgeab aedc ceabfg bda gcadbe cbeag gbacfed da adfbcg | degba gbcea gedfb da +ebcfd facebg dgafb bdeagf ebcadgf bgadfc fae ea deafb gaed | fea bacfge aegd fcdbag +fb decagb fbag agfbde ebdaf fdgecb aedbg gdecafb fbd adfce | dbeacfg fdcea fadec bfga +edbaf bgfcde fd bagef acfd edbcga ebcdfa dfe bfecgda aedbc | fd dfe aedfbc bafgcde +ecgfb edgcaf badg gaedbc bafcedg cegda decbg bdc cdaebf bd | cedbagf adbg cegfb dbgacef +cfgdba aebcdgf gaecd bcaed db bacef dba defcag dcbage ebgd | afceb fdagec dgbafc fecba +bf cabedf bgfae cbaefg bfe bgdaefc gbfc baecg gadfe adbcge | dgebac bcfg bf bcgeadf +acefbd edcab bgae acg eagdcb bgcadf dfgec cdgae efdcbga ga | dfgacb fcbgda bcade cdfagb +gdbfc geafdb fdca bdegc cfabgd dfb cagfb cfeagb fd gcdeafb | dcabefg cfagb gfbca fgceba +bda eagdcb ebdag ba debfgc cabgefd efadg edcbg cebafd gcab | edfgbc bdegc ab ecbfda +cfa gbface fa gfcbed bfga adecb bgfaced cgaedf becaf cfegb | af agbf ceafb beadc +cgbed efagcb fdea edbfacg da acdbfe ecafb adc bafcdg bacde | bfcage faed ebadc daef +fegabd cfgbed ecfba dbagcf gcf gecd cfadgeb cg bfdeg cefgb | gdbeaf dgec edfbg gfc +dgefa bcadgf gcfdbae eafb baegd egdcaf cbdge bda ab bfagde | ab dgebc bedga beagcdf +degfabc becgd beac dgefb cfgdba gbdaec dfcgae ec ced cgbda | gcabd bdagc bfceagd gfacdb +agfebc egbd fgedac dbfca bedgfc fbe dgefc bgdfeac fcdeb be | fbe ebdcgfa egfcdab edfcb +eabcfgd adc fcedga bfgcd edba cgebfa eacdgb aecgb da dcagb | egfbacd dgcfeab cda cbaged +dbefc cgade gafc fegadc dfaec egbcda fa dafcgeb afd edfgab | af daf fad fgca +bdfgc af eacfgb dafgc afde fgdace acf gacfbed aecdg dcgaeb | bafcedg gcfeda afdgc cfgaed +fbe baefcg abed eadgf efbdga cfgdb fcgbead eb fcgead fegdb | dfacge baed cgfbd ebad +dgeac bcaed daefcg cgfde dcfbaeg ga fgea bcafdg fcdbge cag | cfegd eabcd ag cgdfe +fcegb dgeacf acfdeb bfcgda dfbac gd dfg dbga bfgcdae cbgfd | becgf gbcafd gd dg +gdfec gcadef fec ceagbd ecadgfb gefdb gcead cafd baefcg fc | dafbgce agcfbe gefdb eacgd +bdcf dgcaef feagdb cdefgb bgced cefgbda bdegf gebca dcg cd | gebac dbgef dcg dc +cgadfbe fceba acgd bfdgec ga eag gaefdb dfeacg cgfea gcdef | ag agfdeb ga fgdaecb +gfabd dcaebg afcd fd gdbcaf gabdc gefba bgdefc dfg ecabgdf | gdbafc fd fgd fd diff --git a/2021/08/second.go b/2021/08/second.go new file mode 100644 index 0000000..e71c23b --- /dev/null +++ b/2021/08/second.go @@ -0,0 +1,143 @@ +package main + +import ( + "bufio" + "fmt" + "log" + "os" + "sort" + "strconv" + "strings" +) + +func sortStrings(strs []string) { + for i, v := range strs { + s := strings.Split(v, "") + sort.Strings(s) + strs[i] = strings.Join(s, "") + } +} + +func deduceSix(one string, zns []string) string { // zns == zero, nine and six + for _, v := range zns { + for _, c := range one { + if !strings.Contains(v, string(c)) { + return v + } + } + } + log.Fatalf("deduce(%+v, %+v) failed!", one, zns) + return "" +} + +func deduceTwoThreeFive(ttf []string, topRight, bottomRight byte) (two string, three string, five string) { + for _, s := range ttf { + if !strings.Contains(s, string(topRight)) { + five = s + } else if !strings.Contains(s, string(bottomRight)) { + two = s + } else { + three = s + } + } + return +} + +func deduceRight(one, six string) (byte, byte) { + if strings.Contains(six, string(one[0])) { + return one[1], one[0] + } else { + return one[0], one[1] + } +} + +func deduceBottomLeft(one, two, five string) byte { + for _, ch := range two { + s := string(ch) + if strings.Contains(one, s) || strings.Contains(five, s) { + continue + } + return s[0] + } + log.Fatalf("deduceBottomLeft(%+v, %+v, %+v) failed!", one, two, five) + return 0 // cannot happen +} + +func deduceZeroNine(zsn []string, six string, bottomLeft byte) (zero string, nine string) { + for _, s := range zsn { + if s == six { + continue + } + if strings.Contains(s, string(bottomLeft)) { + zero = s + } else { + nine = s + } + } + return +} + +func main() { + score := 0 + + s := bufio.NewScanner(os.Stdin) + for s.Scan() { + inputs := strings.Split(s.Text(), " | ") + hints := strings.Split(inputs[0], " ") + outputs := strings.Split(inputs[1], " ") + sort.Slice(hints, func(i, j int) bool { + return len(hints[i]) < len(hints[j]) + }) + sortStrings(hints) + sortStrings(outputs) + + // some digits are straightforward : + one := hints[0] + seven := hints[1] + four := hints[2] + eight := hints[9] + + // We can deduce number 6 by being in len 6 and missing a component from 1 + six := deduceSix(one, hints[6:9]) + // the right segments can be deduced from the one in 1 that is in the 6 + topRight, bottomRight := deduceRight(one, six) + // We can deduce numbers two, three and five from the right segments + two, three, five := deduceTwoThreeFive(hints[3:6], topRight, bottomRight) + // We can deduce the bottom left segment from 1 2 and 5 + bottomLeft := deduceBottomLeft(one, two, five) + // We can deduce numbers 0 and 9 from the bottom left segment and the fact we already know 6 + zero, nine := deduceZeroNine(hints[6:9], six, bottomLeft) + + key := make([]byte, 4) + for i, s := range outputs { + switch s { + case zero: + key[i] = '0' + case one: + key[i] = '1' + case two: + key[i] = '2' + case three: + key[i] = '3' + case four: + key[i] = '4' + case five: + key[i] = '5' + case six: + key[i] = '6' + case seven: + key[i] = '7' + case eight: + key[i] = '8' + case nine: + key[i] = '9' + default: + fmt.Println(zero, one, two, three, four, five, six, seven, eight, nine) + log.Fatalf("Did not find %+v", s) + } + } + v, _ := strconv.Atoi(string(key)) + score += v + } + fmt.Println(score) +} |