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-600f1ead9c173584057849/]POJ3987ComputerVirusonPlanetPandora[crayon-600f1ead9c183243894866/]躲不开的病毒找自动机上的环[crayon-600f1ead9c18c943471316/]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-600f1ead9c194818418901/]POJ3450Corpor...
ProblemDescriptionInthemoderntime,SearchenginecameintothelifeofeverybodylikeGoogle,Baidu,etc.Wiskeyalsowantstobringthisfeaturetohisimageretrievalsystem.Everyimagehavealongdescription,whenuserstypesomekeywordstofindtheimage,thesystemwillmatchthekeywordswithdescriptionofimageandshowtheimagewhichthemostkeywordsbematched.Tosimplifytheproblem,givingyouadescriptionofimage,andsomekeywords,yousho...
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