LeetCode - 128. Longest Consecutive Sequence (哈希表)
LeetCode - 128. Longest Consecutive Sequence (哈希表) 题目链接 题目 解析 第一种方法: 使用一个HashSet来存储对应的值，一开始先将所有的值都加入set； 遍历数组的每一个元素，每次去检查当前元素num的前一个元素num - 1是不是在set中，如果是，说明num不是最长长度的起点，跳过； 如果不是，则在set集合中不断的每次+1，(也就是不断
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相关文章
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