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摘要： 题目描述 Serialization is the process of converting a data structure or object into a sequence of bits so that it can be stored in a file or memory buffer 阅读全文

摘要： 题目描述 Median is the middle value in an ordered integer list. If the size of the list is even, there is no middle value. So the median is the mean of th 阅读全文

摘要： 题目描述 According to the Wikipedia's article: "The Game of Life, also known simply as Life, is a cellular automaton devised by the British mathematician 阅读全文

摘要： 题目描述 Given a string that contains only digits 0-9 and a target value, return all possibilities to add binary operators (not unary) +, -, or * between 阅读全文

摘要： 题目描述 Given an array of citations (each citation is a non-negative integer) of a researcher, write a function to compute the researcher's h-index. Acco 阅读全文

摘要： 题目描述 Convert a non-negative integer to its english words representation. Given input is guaranteed to be less than 231 - 1. 题目大意 要求将一个正整数转化为用英文表示数字的字符 阅读全文

摘要： 题目描述 Given an array of numbers nums, in which exactly two elements appear only once and all the other elements appear exactly twice. Find the two elem 阅读全文

摘要： 题目描述 Given a string of numbers and operators, return all possible results from computing all the different possible ways to group numbers and operator 阅读全文

摘要： 题目描述 Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties: Integers in each row are sor 阅读全文

摘要： 题目描述 Given an array nums, there is a sliding window of size k which is moving from the very left of the array to the very right. You can only see the  阅读全文