2021年8月30日
140. Word Break II 分隔成字典的所有方法
摘要： Given a string s and a dictionary of strings wordDict, add spaces in s to construct a sentence where each word is a valid dictionary word. Return all 阅读全文
posted @ 2021-08-30 09:49 苗妙苗 阅读(41) 评论(0) 推荐(0)
642. Design Search Autocomplete System 用trie树维持top3 list
摘要： Design a search autocomplete system for a search engine. Users may input a sentence (at least one word and end with a special character '#'). You are 阅读全文
posted @ 2021-08-30 03:40 苗妙苗 阅读(29) 评论(0) 推荐(0)