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题目如下： Given a nested list of integers, implement an iterator to flatten it. Each element is either an integer, or a list -- whose elements may also be 阅读全文
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题目如下： Given an array of strings products and a string searchWord. We want to design a system that suggests at most three product names from products a 阅读全文
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题目如下： You are given a map of a server center, represented as a m * n integer matrix grid, where 1 means that on that cell there is a server and 0 mean 阅读全文
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题目如下： On a plane there are n points with integer coordinates points[i] = [xi, yi]. Your task is to find the minimum time in seconds to visit all point 阅读全文