摘要: Nearest Common AncestorsTime Limit: 1000MSMemory Limit: 10000KTotal Submissions: 18136Accepted: 9608DescriptionA rooted tree is a well-known data stru... 阅读全文
posted @ 2014-08-14 23:35 Prime-Kv 阅读(346) 评论(0) 推荐(0) 编辑