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oracle表分析
analyze table tablename compute statistics;analyze index indexname compute statistics;对于使用CBO很有好处,可以使用更可靠的table信息,从而执行计划也可以更准确一些,在10g会自动analyze,之前的版本需...
分类:数据库   时间:2014-10-02 18:13:03    阅读次数:238
Merge k Sorted Lists
[leetcode]Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity....
分类:其他好文   时间:2014-10-02 11:43:22    阅读次数:165
LeetCode: Merge k Sorted Lists
Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity1. Naive Solution思路:直接的想法依次找出列表中的最小项串接起来。 复杂度分析:时间复杂度...
分类:其他好文   时间:2014-10-02 01:18:11    阅读次数:163
Merge k Sorted Lists
Mergeksorted linked lists and return it as one sorted list. Analyze and describe its complexity.方法一:暴力破解,1和2合并,合并后再和3合并,合并后再和4合并。。。如此下去一直将所有链表节点全部合并完。...
分类:其他好文   时间:2014-10-01 12:19:11    阅读次数:252
[leetcode]Merge k Sorted Lists @ Python [基础知识: heap]
原题地址:https://oj.leetcode.com/problems/merge-k-sorted-lists/题意:Mergeksorted linked lists and return it as one sorted list. Analyze and describe its com...
分类:编程语言   时间:2014-10-01 00:32:30    阅读次数:270
poj 2299 Ultra-QuickSort 归并排序解法
点击打开链接题目链接 Ultra-QuickSort Time Limit: 7000MS   Memory Limit: 65536K Total Submissions: 42347   Accepted: 15389 Description In this problem, you have to analyze ...
分类:其他好文   时间:2014-09-22 17:29:02    阅读次数:187
Merge k Sorted Lists
Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity.思路:不断将相邻的链表两两合并,知道只剩一个链表为止。 1 class Solution { 2 pub...
分类:其他好文   时间:2014-09-06 14:51:13    阅读次数:172
poj 2299 Ultra-QuickSort(树状数组)
DescriptionIn this problem, you have to analyze a particular sorting algorithm. The algorithm processes a sequence of n distinct integers by swapping ...
分类:其他好文   时间:2014-09-04 13:08:20    阅读次数:185
Android 编辑彩信,加入几页铃声,预览暂停界面,铃声名字不见了
slideView.java这个displayAudioInfo( )函数要改为public   在Packages/apps.Mms/src/com/android/mms/ui/SlideshowPresenter.java 修改为  if (action == MediaAction.NO_ACTIVE_ACTION) {      /// M: Code analyze 006,...
分类:移动开发   时间:2014-08-29 16:10:28    阅读次数:242
【leetcode】Merge k Sorted Lists (归并排序)
题目: Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity. 解析:合并k个有序链表,最后返回一个总的有序链表,分析并描述其复杂度。该题的实质为归并排序,平均时间复杂度为O(NlogN)。 ...
分类:其他好文   时间:2014-08-29 11:05:07    阅读次数:225
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