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【LeetCode】Merge k Sorted Lists
Merge k Sorted ListsMergeksorted linked lists and return it as one sorted list. Analyze and describe its complexity.多路归并。1、用make_heap函数维护一个大小为k的最小堆。注:...
分类:其他好文   时间:2014-12-20 11:34:12    阅读次数:163
【LeetCode】Merge k Sorted Lists
题目 Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity. 解答 方法1:利用分治的思想把合并k个链表分成两个合并k/2个链表的任务,一直划分,知道任务中只剩一个链表或者两个链表。可以很简单的用递归来实现。因此算法复杂度为T(k) = 2...
分类:其他好文   时间:2014-12-12 19:15:28    阅读次数:120
Grapher
【Grapher】 You use Grapher to visualize and analyze implicit and explicit equations. You can graph equations as two– or three–dimensional graphs, and ....
分类:其他好文   时间:2014-12-10 21:00:31    阅读次数:264
POJ 2299 Ultra-QuickSort (归并排序)
Ultra-QuickSort Time Limit: 7000MS   Memory Limit: 65536K Total Submissions: 43446   Accepted: 15822 Description In this problem, you have to analyze a particular sorting...
分类:编程语言   时间:2014-12-09 00:35:55    阅读次数:218
leetcode. Merge k Sorted Lists
Mergeksorted linked lists and return it as one sorted list. Analyze and describe its complexity.类似归并排序,对于lists[0, n-1],先对list[0,1], list[2, 3], ... li...
分类:其他好文   时间:2014-12-06 17:59:16    阅读次数:181
POJ2299(Ultra-QuickSort)
Ultra-QuickSortTime Limit:7000MSMemory Limit:65536KTotal Submissions:43384Accepted:15806DescriptionIn this problem, you have to analyze a particular s...
分类:其他好文   时间:2014-12-05 20:58:46    阅读次数:225
LeetCode: Merge k Sorted Lists 解题报告
Merge k Sorted ListsMerge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity.Show Tags参考资料: http://blog.csdn....
分类:其他好文   时间:2014-12-05 12:13:13    阅读次数:210
poj2299 Ultra-QuickSort
Ultra-QuickSortTime Limit:7000MSMemory Limit:65536KTotal Submissions:43339Accepted:15798DescriptionIn this problem, you have to analyze a particular s...
分类:其他好文   时间:2014-12-02 22:01:46    阅读次数:156
toad常用快捷键
1、toad?如何进行表分析? (1)选中表名按F4,然后弹出对话框有个按钮叫Analyze?table,点击后按绿色的三角符号 (2)进行表分析的作用是整理索引,提高执行效率 2、toad中如何查看sql的执行计划 (1)通过toa...
分类:其他好文   时间:2014-11-29 12:03:03    阅读次数:216
Merge k Sorted Lists -- leetcode
Merge k Sorted ListsMerge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity.两种实现方法,第一种采用优先队列,第二种采用分治/** * Definition for singly-linked list. * struct ListNo...
分类:其他好文   时间:2014-11-27 20:36:39    阅读次数:227
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