摘要：
Given an unsorted array of integers, find the length of the longest consecutive elements sequence. For example, Given , The longest consecutive elemen 阅读全文
摘要：
有一个升序排序的数组． For example, Given sorted array , Your function should return length = , with the first five elements of nums being . It doesn't matter wh 阅读全文
摘要：
Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand. (i.e., might become ). Write a function to determine if 阅读全文