摘要：In MATLAB, there is a very useful function called 'reshape', which can reshape a matrix into a new one with different size but keep its original data. 阅读全文

摘要：Given an array nums, write a function to move all 0's to the end of it while maintaining the relative order of the non-zero elements. For example, giv 阅读全文

摘要：Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would have ex 阅读全文

摘要：题目： The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Now your job is to find the to 阅读全文

摘要：题目： Given a positive integer, output its complement number. The complement strategy is to flip the bits of its binary representation. Note: Example 1: 阅读全文

摘要：题目： Given an array of 2n integers, your task is to group these integers into n pairs of integer, say (a1, b1), (a2, b2), …, (an, bn) which makes sum o 阅读全文

摘要：一、汉明距离 The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, 阅读全文