Dreamoonhasastringsandapatternstringp.Hefirstremovesexactlyxcharactersfromsobtainingstrings'asaresult.Thenhecalculatesthatisdefinedasthemaximalnumberofnon-overlappingsubstringsequaltopthatcanbefoundins'.Hewantstomakethisnumberasbigaspossible.Moreformally,let'sdefineasmaximumvalueofoveralls'thatcanbeobtainedbyremovingexactlyxcharactersfroms.Dreamoonwantstoknowforallxfrom0to|s|where|s|denotest...
Dreamoonlikestoplaywithsets,integersand.isdefinedasthelargestpositiveintegerthatdividesbothaandb.LetSbeasetofexactlyfourdistinctintegersgreaterthan0.DefineStobeofrankkifandonlyifforallpairsofdistinctelementssi,sjfromS,.Givenkandn,Dreamoonwantstomakeupnsetsofrankkusingintegersfrom1tomsuchthatnointegerisusedintwodifferentsets(ofcourseyoucanleavesomeintegerswithoutuse).Calculatetheminimummth...
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