Longest Consecutive Sequence
Get the length of the longest consecutive elements sequence in an array.
#数组和字符串
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Majority Element II
Given an integer array of size n, find all elements that appear more than ⌊ n/3 ⌋ times.
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Get the length of the longest consecutive elements sequence in an array.
Given an integer array of size n, find all elements that appear more than ⌊ n/3 ⌋ times.