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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 exactly one solution. 给定一个整数数组，返回两个数字的索引，使

You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a link

Longest Substring Without Repeating Characters Given a string, find the length of the longest substring without repeating characters. Examples: Given "abcabcbb", the answer is "abc", whic

There are two sorted arrays nums1 and nums2 of size m and n respectively. There are two sorted arrays nums1 and nums2 of size m and n respectively. Find the median of the two sorted ar

翻译 给定一个字符串S，找出它的最大回文子字符串。 你可以假定S的最大长度为1000， 并且这里存在唯一一个最大回文子字符串。123123 原文 Given a string S, find the longest palindromic substring in S. You may assume that the maximum length of S is 1000, and

《微机原理》这本课程学过，不过后来我忘记了。今天复习的时候，作为学渣的我解了好大一个疑惑。 书上说，8086CPU有16位的数据总线和20位的地址总线。 所以，为了能让16位的cpu能够驱动20位的内存，采用了分段的形式。 原理和内容都在这里，不详细展开了 段寄存器-百度百科 分段的地址怎么计算呢： 我们知道段寄存器是16位的，16为