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Aqua Data Studio 做项目时发现的一款链接数据库的软件,简直是6啊!!!! 安装:http://blog.csdn.net/xingxiupaioxue/article/details/8968600 使用:http://blog.sina.com.cn/s/blog_703074da 阅读全文
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Given a binary tree, return the inorder traversal of its nodes' values. For example: Given binary tree {1,#,2,3}, return [1,3,2]. 树的中序遍历 package leetc 阅读全文
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Given two strings s and t, determine if they are isomorphic. Two strings are isomorphic if the characters in s can be replaced to get t. All occurrenc 阅读全文
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Write an algorithm to determine if a number is "happy". A happy number is a number defined by the following process: Starting with any positive intege 阅读全文
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You are playing the following Bulls and Cows game with your friend: You write down a number and ask your friend to guess what the number is. Each time 阅读全文
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Given an array of strings, group anagrams together. For example, given: ["eat", "tea", "tan", "ate", "nat", "bat"], Return: Note: 映射关系如下: 代码如下: packag 阅读全文