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Sort List -- leetcode
Sort a linked list in O(n log n) time using constant space complexity. 算法一  自顶向下折半归并,递归 使用递归。进行折半。 先使用快慢指针,找到中间结点。将链表一分为二。 对此两链表进行递归排序后,进行归并。 在leetcode上实际执行时间为62ms。 /** * Definition for...
分类:其他好文   时间:2015-06-08 09:57:20    阅读次数:118
LeetCode139:Word Break
Given a stringsand a dictionary of wordsdict, determine ifscan be segmented into a space-separated sequence of one or more dictionary words.For exampl...
分类:其他好文   时间:2015-06-07 23:12:44    阅读次数:153
[leetcode 9]Palindrome Number
1 题目:Determine whether an integer is a palindrome. Do this without extra space.click to show spoilers.Some hints:Could negative integers be palindrome...
分类:其他好文   时间:2015-06-07 21:34:42    阅读次数:123
Sort List ——LeetCode
Sort a linked list inO(nlogn) time using constant space complexity.链表排序,要求时间复杂度O(nlgn),我写的归并排序。/** * Definition for singly-linked list. * public class...
分类:其他好文   时间:2015-06-07 17:18:21    阅读次数:131
LeetCode58:Length of Last Word
Given a string s consists of upper/lower-case alphabets and empty space characters ' ', return the length of last word in the string.If the last word does not exist, return 0.Note: A word is defined...
分类:其他好文   时间:2015-06-07 15:49:48    阅读次数:105
MyEclipse设置JVM内存大小
1.为什么要设置JVM内存大小呢?  因为如果你的程序运行时超过JVM默认内存大小,就不会报传说中内存溢出异常。 Exception in thread "main" java.lang.OutOfMemoryError: Java heap space at junit.Bean.main(Bean.java:25) 2.在MyEclipse 菜单 Run->run conf...
分类:系统相关   时间:2015-06-06 23:33:39    阅读次数:233
Leetcode: Length of Last Word in python
Length of Last WordTotal Accepted: 47690 Total Submissions: 168587Given a string s consists of upper/lower-case alphabets and empty space characters '...
分类:编程语言   时间:2015-06-06 16:36:34    阅读次数:131
Heap/Perm space
**1,eclipse开发出的j2ee程序,发布到Tomcat的Webapps目录下:将eclipse下配置的tomcat server 移除所有程序,然后,右键--open,改 server location2,eclipse发布程序到webapps下后,以tomcat的startup.bat启动...
分类:其他好文   时间:2015-06-06 14:47:10    阅读次数:75
PAT 1003 Sharing (25)
题目描述 To store English words, one method is to use linked lists and store a word letter by letter. To save some space, we may let the words share the same sublist if they share the same suffix. For...
分类:其他好文   时间:2015-06-06 10:37:31    阅读次数:169
【Palindrome Number】cpp
题目:Determine whether an integer is a palindrome. Do this without extra space.click to show spoilers.Some hints:Could negative integers be palindromes?...
分类:其他好文   时间:2015-06-06 10:27:42    阅读次数:102
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