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网站地址是：www.jeyzhang.com里面有一些技术类文章，欢迎访问与交流~ 阅读全文
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完全没有思路1. Sudoku Solver2. Unique BST II [递归思路]3.Sorted List to BST [O(n)时间复杂度]4. Surrounded Regions [DFS转BFS]5. palindrome partitioning II [dp递推式]6.Gas... 阅读全文
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如何判断点P是否在三角形ABC内?http://blog.csdn.net/stpeace/article/details/8104906 阅读全文
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[完全没有思路]Array1. Remove Duplicates from Sorted Array IITree1. Symmetric Tree (No Recursion Solution: two queues)2.UniqueBinarySearchTreesIIHashTable1. ... 阅读全文
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http://www.pep.com.cn/gzsxb/xszx/jtzd/201009/t20100928_916071.htm 阅读全文
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Problem I: Roman to IntegerGiven a roman numeral, convert it to an integer.Input is guaranteed to be within the range from 1 to 3999.解决思路1.将字符和整数存入map... 阅读全文
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Problem IGiven an array of integers, every element appearstwiceexcept for one. Find that single one.解决思路全部的元素进行异或，输出结果。ProblemIIGiven an array of inte... 阅读全文
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Problem IWrite a program to check whether a given number is an ugly number.Ugly numbers are positive numbers whose prime factors only include2, 3, 5. ... 阅读全文
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问题描述Given an absolute path for a file (Unix-style), simplify it.For example,path="/home/", =>"/home"path="/a/./b/../../c/", =>"/c"click to show corner... 阅读全文
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问题描述Given a 2D board containing'X'and'O', capture all regions surrounded by'X'.A region is captured by flipping all'O's into'X's in that surrounded re... 阅读全文