
「cf534A」Examyy个奇怪的构造TT[crayon-692dd2f4743ee637772451/]「cf534B」CoveredPathd很小,最大速度就很小,dp即可[crayon-692dd2f4743fc943760518/]「cf534C」Polycarpus'Dice对于每个骰子,得出其它骰子的和sum则它的最小值为A-sum,最大值为A-n+1[crayon-692dd2f474406866530280/]「cf534D」Handshakes尽量大的能处理则处理[crayon-692dd2f47440e117466637/]「cf534E」BerlandLocalPositioningSystem非...

Noticethatthememorylimitisnon-standard.RecentlyArthurandSashahavestudiedcorrectbracketsequences.Arthurunderstoodthistopicperfectlyandbecomesoamazedaboutcorrectbracketsequences,soheevengothimselfafavoritecorrectbracketsequenceoflength2n.UnlikeArthur,Sashaunderstoodthetopicverybadly,andbrokeArthur'sfavoritecorrectbracketsequencejusttospitehim.AllArthurremembersabouthisfavoritesequenceisfo...

Dreamoonlikestoplaywithsets,integersand.isdefinedasthelargestpositiveintegerthatdividesbothaandb.LetSbeasetofexactlyfourdistinctintegersgreaterthan0.DefineStobeofrankkifandonlyifforallpairsofdistinctelementssi,sjfromS,.Givenkandn,Dreamoonwantstomakeupnsetsofrankkusingintegersfrom1tomsuchthatnointegerisusedintwodifferentsets(ofcourseyoucanleavesomeintegerswithoutuse).Calculatetheminimummth...
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