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题目如下： You are given an array of positive integers nums and want to erase a subarray containing unique elements. The score you get by erasing the subar 阅读全文
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题目如下： You are given a phone number as a string number. number consists of digits, spaces ' ', and/or dashes '-'. You would like to reformat the phone 阅读全文
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题目如下： There is a stream of n (idKey, value) pairs arriving in an arbitrary order, where idKey is an integer between 1 and n and value is a string. No 阅读全文
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题目如下： You are given an integer array nums sorted in non-decreasing order. Build and return an integer array result with the same length as nums such t 阅读全文