
3613.CowRelays求经过n条边的最短路,floyd+倍增QAQ[crayon-69047dc3426f7628453792/]2728.DesertKing最优比率生成树分数规划[crayon-69047dc342703714423861/]1639.PicnicPlanning带度数限制的最小生成树http://wenku.baidu.com/link?url=UKcnK1pZvaVwypQOrIFRTOPzM4edIlBmqvnZjZipGf2o_6u-aB1F2tFsMGdUQbA1O-96menmbgyxNoSoWKWBeJnr-RJKuG2yM4b6Jf7IvR3[crayon-69047dc3427...

DescriptionGordistrainingforamarathon.Behindhishouseisaparkwithalargenetworkofjoggingtrailsconnectingwaterstations.Gordwantstofindtheshortestjoggingroutethattravelsalongeverytrailatleastonce.InputInputconsistsofseveraltestcases.Thefirstlineofinputforeachcasecontainstwopositiveintegers:n<=15,thenumberofwaterstations,andm<1000,thenumberoftrails.Foreachtrail,thereisonesubsequentlineofin...

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

DescriptionThereisatravelagencyinAdeltontownonZanzibarisland.Ithasdecidedtoofferitsclients,besidesmanyotherattractions,sightseeingthetown.Toearnasmuchaspossiblefromthisattraction,theagencyhasacceptedashrewddecision:itisnecessarytofindtheshortestroutewhichbeginsandendsatthesameplace.Yourtaskistowriteaprogramwhichfindssucharoute.InthetownthereareNcrossingpointsnumberedfrom1toNandMtwo-wayr...
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