
题目来源:http://dapractise.openjudge.cn/2019hwall/POJ3436ACMComputerFactory[crayon-690241c49063f300535376/]POJ2112OptimalMilking[crayon-690241c49065b564492489/]POJ1274ThePerfectStall用邻接矩阵写的[crayon-690241c49066b008568211/]POJ1269IntersectingLines[crayon-690241c490676810334601/]POJ1569MyacmTriangles[crayon-690241c49067d462365476/]POJ1039Pipe[crayon-690241c490...

poj1961Periodkmp求出fail数组后,前i个的重复子串就是i-fail(i)[crayon-690241c495a0e936713135/]poj1276 CashMachine用f(i,j)表示前i种面值,达到j的面值和,所需要的第i种钞票的最少数量[crayon-690241c495a3e689041850/]poj1702 Eva'sBalance先把n转为3进制,若p位为2,就在左盘放3^p,进位若p位为1,就在右盘放3^p[crayon-690241c495a4d347652523/]poj1273 DrainageDitches大名鼎鼎的草地排水,网络流模板[crayon-6...

DescriptionThecityexecutiveboardinLundwantstoconstructasightseeingtourbybusinLund,sothattouristscanseeeverycornerofthebeautifulcity.Theywanttoconstructthetoursothateverystreetinthecityisvisitedexactlyonce.Thebusshouldalsostartandendatthesamejunction.Asinanycity,thestreetsareeitherone-wayortwo-way,trafficrulesthatmustbeobeyedbythetourbus.Helptheexecutiveboardanddetermineifit'spossibletocons...

Givenaweighteddirectedgraph,wedefinetheshortestpathasthepathwhohasthesmallestlengthamongallthepathconnectingthesourcevertextothetargetvertex.Andiftwopathissaidtobenon-overlapping,itmeansthatthetwopathhasnocommonedge.So,givenaweighteddirectedgraph,asourcevertexandatargetvertex,weareinterestedinhowmanynon-overlappingshortestpathcouldwefindoutatmost.InputInputconsistsofmultipletestcases.Thefirs...
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