摘要:
PeriodTime Limit:3000MSMemory Limit:30000KTotal Submissions:14653Accepted:6965DescriptionFor each prefix of a given string S with N characters (each c... 阅读全文
摘要:
Number SequenceTime Limit: 10000/5000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 15017Accepted Submission(s): 6585P... 阅读全文
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怪盗基德的挑战书Time Limit: 3000/1000 MS (Java/Others)Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 990Accepted Submission(s): 478Problem Desc... 阅读全文
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Seek the Name, Seek the FameTime Limit:2000MSMemory Limit:65536KTotal Submissions:14106Accepted:7018DescriptionThe little cat is so famous, that many ... 阅读全文
摘要:
首先说一下什么是树: 1、只含一个根节点 2、任意两个节点之间只能有一条或者没有线相连 3、任意两个节点之间都可以通过别的节点间接相连 4、除了根节点没一个节点都只有唯一的... 阅读全文