2018年4月3日
684. Redundant Connection
摘要： In this problem, a tree is an undirected graph that is connected and has no cycles. The given input is a graph that started as a tree with N nodes (wi 阅读全文
posted @ 2018-04-03 11:32 Zzz...y 阅读(173) 评论(0) 推荐(0)
811. Subdomain Visit Count
摘要： A website domain like "discuss.leetcode.com" consists of various subdomains. At the top level, we have "com", at the next level, we have "leetcode.com 阅读全文
posted @ 2018-04-03 10:50 Zzz...y 阅读(277) 评论(0) 推荐(0)