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Given an arbitrary ransom note string and another string containing letters from all the magazines, write a function that will return true if the rans 阅读全文
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Given two arrays, write a function to compute their intersection. Example:Given nums1 = [1, 2, 2, 1], nums2 = [2, 2], return [2]. Note: Each element i 阅读全文
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Assume you are an awesome parent and want to give your children some cookies. But, you should give each child at most one cookie. Each child i has a g 阅读全文
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Given an array of integers that is already sorted in ascending order, find two numbers such that they add up to a specific target number. The function 阅读全文
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Given a non-empty integer array of size n, find the minimum number of moves required to make all array elements equal, where a move is incrementing n 阅读全文
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Suppose Andy and Doris want to choose a restaurant for dinner, and they both have a list of favorite restaurants represented by strings. You need to h 阅读全文
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Given an m * n matrix M initialized with all 0's and several update operations. Operations are represented by a 2D array, and each operation is repres 阅读全文
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For a web developer, it is very important to know how to design a web page's size. So, given a specific rectangular web page’s area, your job by now i 阅读全文
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Solve a given equation and return the value of x in the form of string "x=#value". The equation contains only '+', '-' operation, the variable x and i 阅读全文
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Calculate the sum of two integers a and b, but you are not allowed to use the operator + and -. Example:Given a = 1 and b = 2, return 3. 不用'+'和'-'实现两个 阅读全文