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【LeetCode刷题Java版】Evaluate Reverse Polish Notation(计算逆波兰表达式)
Evaluate the value of an arithmetic expression in Reverse Polish Notation. Valid operators are +, -, *, /. Each operand may be an integer or another expression. Some examples: ["2", "1",...
分类:编程语言   时间:2014-10-13 20:33:47    阅读次数:231
摄像头监测是否“授权”
os7苹果公司加入了摄像头隐私设置选项: 在app中监测手机摄像头是否授权给APP: #define PHOTOGRAPH_ACCREDIT if(VALID_VERSION(7.0)){ if(!([AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo] == AVAuthorizationStatusAuthorized)){ UIAlertView * alt...
分类:其他好文   时间:2014-10-13 20:14:47    阅读次数:177
Leetcode: Valid Number
Validate 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 p...
分类:其他好文   时间:2014-10-13 14:29:49    阅读次数:216
leetcode dfs Validate Binary Search Tree
Validate Binary Search Tree  Total Accepted: 23828 Total Submissions: 91943My Submissions Given a binary tree, determine if it is a valid binary search tree (BST). Assume a BST is defined...
分类:其他好文   时间:2014-10-12 17:40:38    阅读次数:180
poj 1256 Anagram
题目链接:http://poj.org/problem?id=1256思路: 该题为含有重复元素的全排列问题;由于题目中字符长度较小,采用暴力法解决。代码如下:#include #include using namespace std;const int MAX_N = 20;char P[MAX....
分类:其他好文   时间:2014-10-12 02:56:48    阅读次数:136
Longest Valid Parentheses
[leetcode] Given a string containing just the characters '(' and ')', find the length of the longest valid (well-formed) parentheses substring....
分类:其他好文   时间:2014-10-09 17:06:08    阅读次数:187
关于myeclipse中启动项目(服务器为welogic10)报valid license.bea错误的问题解决方案
之前因为重转系统,导致我的weblogic和myeclipse都要重装。重装之后,出现了问题,我是按照weblogic破解版的步骤来的,但还是报如下错误: Unable to start WebLogic Server! Error: license signature validation error. Please make sure you have a valid license.b...
分类:系统相关   时间:2014-10-09 16:05:28    阅读次数:394
leetcode - Restore IP Addresses
Given a string containing only digits, restore it by returning all possible valid IP address combinations. For example: Given "25525511135", return ["255.255.11.135", "255.255.111.35"]. (Order ...
分类:其他好文   时间:2014-10-08 10:45:25    阅读次数:195
leetcode - Validate Binary Search Tree
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 nodes with keys less than the node's key.Th...
分类:其他好文   时间:2014-10-06 19:32:50    阅读次数:173
[LeetCode] Word Break II
Given a stringsand a dictionary of wordsdict, add spaces insto construct a sentence where each word is a valid dictionary word.Return all such possibl...
分类:其他好文   时间:2014-10-05 17:44:58    阅读次数:201
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