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摘要： 题目内容： Given a sorted array, remove the duplicates in place such that each element appear only once and return the new length. Do not allocate extra sp 阅读全文

摘要： 题目内容：Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. 题目分 阅读全文

摘要： 题目内容： Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. The brackets must close i 阅读全文

摘要： 题目内容：Write a function to find the longest common prefix string amongst an array of strings 题目分析：本题目利用字符串数组中的一个字符串作为参考，数组中的所有字符串都和该字符串进行对比，找出所有字符串开头出现字 阅读全文