
题目来源:http://dapractise.openjudge.cn/2019hwall/多模式串字符串匹配模板题AC自动机模板题[crayon-6932144500803993799150/]POJ3987ComputerVirusonPlanetPandora[crayon-6932144500810303942724/]躲不开的病毒找自动机上的环[crayon-693214450081a738192546/]POJ3691DNArepairDP,考虑前i个字符且停留在trie树上编号为j的节点时,字符串所修改的最小次数[crayon-6932144500821615564953/]POJ3450Corpor...

ProblemDescriptionInthemoderntime,SearchenginecameintothelifeofeverybodylikeGoogle,Baidu,etc.Wiskeyalsowantstobringthisfeaturetohisimageretrievalsystem.Everyimagehavealongdescription,whenuserstypesomekeywordstofindtheimage,thesystemwillmatchthekeywordswithdescriptionofimageandshowtheimagewhichthemostkeywordsbematched.Tosimplifytheproblem,givingyouadescriptionofimage,andsomekeywords,yousho...
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