Problem Description
bobo found an ancient string. The string contains only three charaters -- "(", ")" and "?".
bobo would like to replace each "?" with "(" or ")" so that the string is valid (d...
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其他好文 时间:
2014-08-08 18:15:06
阅读次数:
273
JAXB是Java Architecture for XML Binding的缩写。使用JAXB注解将Java对象转换成XML文件。在这篇教程中,我们将会展示如何使用JAXB来做以下事情:1. marshall 将java对象转化成xml文件2. unmarshalling 将xml内容转换成jav...
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编程语言 时间:
2014-08-08 15:35:46
阅读次数:
222
很经典的问题,使用栈来解决,我这里自己实现了一个栈,当然也可以直接用java自带的Stack类。
自己实现的栈代码:
import java.util.LinkedList;
class StackOne {
LinkedList data;
int top;
int maxSize;
StackOne(int size) {
// TODO Auto-generated co...
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其他好文 时间:
2014-08-07 19:01:20
阅读次数:
236
High Level OverviewAt a coarse level, AS 7 consists of two main elements:A core manageable service container based on modular classloadingExtensions t...
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其他好文 时间:
2014-08-07 18:25:10
阅读次数:
262
Intel® Advanced Vector Extensions (Intel® AVX) is a set of instructions for doing Single Instruction Multiple Data (SIMD) operations on Intel® architecture CPUs. These instructions extend previous SIM...
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其他好文 时间:
2014-08-07 00:51:07
阅读次数:
995
设置方法:我的电脑->属性->高级->环境变量->系统变量中添加以下环境变量:JAVA_HOME值为:安装JDK的目录, 我的为C:\Program Files\Java\jdk1.8.0_05(安装时候有路径选择,复制下来即可)CLASSPATH值为:.;%JAVA_HOME%\lib\tools...
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移动开发 时间:
2014-08-06 21:55:42
阅读次数:
371
问题:The brackets must close in the correct order,"()"and"()[]{}"are all valid but"(]"and"([)]"are not.,判断符合条件的符号([])也符合分析:遇到左边符号进栈,右边符号就将栈顶出栈,若和当前遍历的符号...
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其他好文 时间:
2014-08-06 21:44:02
阅读次数:
206
Your intuition would tell you that there's a O(n) solution. Actually it is another stack-based problem to solve.class Solution {public: struct Rec ...
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其他好文 时间:
2014-08-06 14:37:41
阅读次数:
186
It took me +20 submissions to get AC... Actually the statement is too vague. I would rather ask for requirements f2f.Apparently the code below can be ...
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其他好文 时间:
2014-08-06 08:23:11
阅读次数:
319
题目:Validate if a given string is numeric.Some examples:"0" => true" 0.1 " => true"abc" => false"1 a" => false"2e10" => trueNote: It is intended fo...
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编程语言 时间:
2014-08-06 04:10:20
阅读次数:
251