Youaregivenanencryptedstring,encryptedusingacertainalgorithm.Decryptit!InputThefirstandonlylineofinputcontainsastrings,eachcharacterofsiseither0or1.(8 ≤ |s| ≤ 8 × 104)OutputPrinttheoriginalstring.Sampletest(s)input[crayon-68638022a43fe096927750/]output[crayon-68638022a4406883007527/]input[crayon-68638022a440a186014280/]output[crayon-68638022a440d482097680/]input[crayon-68638022a441...
Youaregivenanencryptedstring,encryptedusingacertainalgorithm.Decryptit!InputThefirstandsinglelineofinputcontainsastrings,whicheachofit'scharactersisalowercaseEnglishletter.(1 ≤ |s| ≤ 105)OutputPrinttheoriginalstring.Sampletest(s)input[crayon-68638022a5042320366421/]output[crayon-68638022a504a727569517/]input[crayon-68638022a504d306873707/]output[crayon-68638022a5050001739221/]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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