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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] 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-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
Qt 程序退出时断言错误——_BLOCK_TYPE_IS_VALID(pHead->nBlockUse),由setAttribute(Qt::WA_DeleteOnClose)引起
最近在学习QT,自己仿写了一个简单的QT绘图程序,但是在退出时总是报错,断言错误:报错主要问题在_BLOCK_TYPE_IS_VALID(pHead->nBlockUse),是在关闭窗口时报的错;先前考虑是析构函数有问题,重写并且排查相关变量并未发现问题。根据报错问题又推测栈调用出现内存溢出,寻找程...
分类:其他好文   时间:2014-11-15 01:23:13    阅读次数:169
Xcode的Architecture参数的意思
Xcode中Architectures、Valid Architectures和Build Active Architecture Only的意思...
分类:其他好文   时间:2014-11-15 00:18:37    阅读次数:161
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:2014-11-14 21:02:22    阅读次数:179
Codeforces Round #277 (Div. 2)Valid Sets 树DP
题意:给出一棵树,并给出每个节点上的权值,求有多少个连通子块的最大值与最小值的差不超过d。对于每个顶点建立一颗树,然后找比它价值大的 或者 价值相等且之前没有被当作顶点建立树的点,这样就避免重复了。dp[x]表示包涵x且以x为顶点的连通子树的个数,dp[x] =∏ (dp[son[x]] + 1.....
分类:其他好文   时间:2014-11-14 19:34:47    阅读次数:140
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