Youaregivenanencryptedstring,encryptedusingacertainalgorithm.Decryptit!InputThefirstandonlylineofinputcontainsastrings,eachcharacterofsiseither0or1.(8 ≤ |s| ≤ 8 × 104)OutputPrinttheoriginalstring.Sampletest(s)input[crayon-683fc27955416925768538/]output[crayon-683fc27955421967093108/]input[crayon-683fc27955426814041367/]output[crayon-683fc2795542c775070474/]input[crayon-683fc2795543...
Youaregivenanencryptedstring,encryptedusingacertainalgorithm.Decryptit!InputThefirstandsinglelineofinputcontainsastrings,whicheachofit'scharactersisalowercaseEnglishletter.(1 ≤ |s| ≤ 105)OutputPrinttheoriginalstring.Sampletest(s)input[crayon-683fc27955a97401317835/]output[crayon-683fc27955aa2454395787/]input[crayon-683fc27955aa8604211827/]output[crayon-683fc27955aad738339751/]input[c...
PolarbearsMenshykovandUsladafromthezooofSt.PetersburgandelephantHoracefromthezooofKievgotholdoflotsofwoodencubessomewhere.Theystartedmakingcubetowersbyplacingthecubesoneontopoftheother.Theydefinedmultipletowersstandinginalineasawall.Awallcanconsistoftowersofdifferentheights.Horacewasthefirsttofinishmakinghiswall.Hecalledhiswallanelephant.Thewallconsistsofwtowers.Thebearsalsofinishedm...
LittleDaniellovestoplaywithstrings!Healwaysfindsdifferentwaystohavefunwithstrings!Knowingthat,hisfriendKinandecidedtotesthisskillssohegavehimastringSandaskedhimQquestionsoftheform:IfalldistinctsubstringsofstringSweresortedlexicographically,whichonewillbetheK-thsmallest?AfterknowingthehugenumberofquestionsKinanwillask,Danielfiguredoutthathecan'tdothisalone.Daniel,ofcourse,knowsyourexc...
Astringisfinitesequenceofcharactersoveranon-emptyfinitesetΣ.Inthisproblem,Σisthesetoflowercaseletters.Substring,alsocalledfactor,isaconsecutivesequenceofcharactersoccurrencesatleastonceinastring.Nowyourtaskisabitharder,forsomegivenstrings,findthelengthofthelongestcommonsubstringofthem.Herecommonsubstringmeansasubstringoftwoormorestrings.InputTheinputcontainsatmost10lines,eachlineconsistso...
YouaregivenastringSwhichconsistsof250000lowercaselatinlettersatmost.WedefineF(x)asthemaximalnumberoftimesthatsomestringwithlengthxappearsinS.Forexampleforstring'ababa'F(3)willbe2becausethereisastring'aba'thatoccurstwice.YourtaskistooutputF(i)foreveryisothat1<=i<=|S|.InputStringSconsistsofatmost250000lowercaselatinletters.OutputOutput|S|lines.Onthei-thlineoutputF(i).Example...
DescriptionThelittlecatismajoringinphysicsinthecapitalofByterland.Apieceofsadnewscomestohimthesedays:hismotherisgettingill.Beingworriedaboutspendingsomuchonrailwaytickets(Byterlandissuchabigcountry,andhehastospend16shoursontraintohishometown),hedecidedonlytosendSMSwithhismother.Thelittlecatlivesinanunrichfamily,sohefrequentlycomestothemobileservicecenter,tocheckhowmuchmoneyhehasspentonS...
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