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题目如下: You are given some lists of regions where the first region of each list includes all other regions in that list. Naturally, if a region X contai 阅读全文
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题目如下: Given a list of pairs of equivalent words synonyms and a sentence text, Return all possible synonymous sentences sorted lexicographically. Examp 阅读全文
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题目如下: Design a Leaderboard class, which has 3 functions: Initially, the leaderboard is empty. Example 1: Constraints: 1 <= playerId, K <= 10000 It's g 阅读全文
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题目如下: Given an initial array arr, every day you produce a new array using the array of the previous day. On the i-th day, you do the following operati 阅读全文