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Validate binary search tree
关于这道题目,不得不感慨leetcode真的是一个不错的网站,之前的代码是有bug的,当时AC了,现在测试用例更加完善了,于是不能AC了。 题目描述: Given a binary tree, determine if it is a valid binary search tree (BST). Assume a BST is defined as follows: The le...
分类:其他好文   时间:2014-11-16 23:08:48    阅读次数:362
Android项目路径改变后,libs文件夹内的包miss的解决办法
今天用因为用git,所以把项目移出了workspace(git不推荐将repository放到workspace里面),然后就报错: Archive for required library XXX in project cannot be read or is not a valid ZIP file 发现项目下的...
分类:移动开发   时间:2014-11-16 18:57:45    阅读次数:185
Valid Number
Valid NumberValidate if a given string is numeric.Some examples:"0"=>true" 0.1 "=>true"abc"=>false"1 a"=>false"2e10"=>trueNote:It is intended for the ...
分类:其他好文   时间:2014-11-16 13:16:23    阅读次数:133
leetcode. Wildcard Matching
Implement wildcard pattern matching with support for'?'and'*'.'?' Matches any single character.'*' Matches any sequence of characters (including the e...
分类:其他好文   时间:2014-11-16 11:57:11    阅读次数:145
[LeetCode] Validate Binary Search Tree (两种解法)
Given a binary tree, determine if it is a valid binary search tree (BST).Assume a BST is defined as follows:The left subtree of a node contains only n...
分类:其他好文   时间:2014-11-16 01:52:28    阅读次数:227
leetcode[76] Minimum Window Substring
给定两个串,S和T,在S中找到包含T的最短子串,如果不能包含,返回空字符。Given a string S and a string T, find the minimum window in S which will contain all the characters in T in compl...
分类:Windows程序   时间:2014-11-16 01:48:32    阅读次数:349
Leetcode-Resotre IP Addresses
Given a string containing only digits, restore it by returning all possible valid IP address combinations. For example:Given "25525511135",return ["25...
分类:其他好文   时间:2014-11-16 00:29:23    阅读次数:338
[Leetcode] Valid Parentheses
Given a string containing just the characters'(',')','{','}','['and']', determine if the input string is valid.The brackets must close in the correct ...
分类:其他好文   时间:2014-11-15 15:23:46    阅读次数:179
[LeetCode] Valid Parentheses
Given a string containing just the characters'(',')','{','}','['and']', determine if the input string is valid.The brackets must close in the correct ...
分类:其他好文   时间:2014-11-15 12:50:41    阅读次数:191
leetcode Evaluate Reverse Polish Notation
Evaluate the value of an arithmetic expression inReverse Polish Notation.Valid operators are+,-,*,/. Each operand may be an integer or another express...
分类:其他好文   时间:2014-11-15 08:52:11    阅读次数:170
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