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[LeetCode][Java]Triangle@LeetCode
Given a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers on the row below.For example, given the fol...
分类:编程语言   时间:2014-05-08 18:31:51    阅读次数:399
[LeetCode][Java]Candy@LeetCode
CandyThere areNchildren standing in a line. Each child is assigned a rating value.You are giving candies to these children subjected to the following ...
分类:编程语言   时间:2014-05-08 15:29:54    阅读次数:411
the smallest positive number
2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder.What is the smallest positive number that is...
分类:其他好文   时间:2014-05-08 14:36:50    阅读次数:248
mysql触发器
查看所有触发器 show TRIGGERSDELIMITER ;;CREATE TRIGGER `trigger1触发器名` BEFORE UPDATE ON `触发器所在表名` FOR EACH ROW insert into templete (old) values (NEW.bz);;DEL...
分类:数据库   时间:2014-05-08 10:36:30    阅读次数:306
mysql_fetch_row mysql_fetch_array
1mysql_fetch_row mysql_fetch_array1.1mysql_fetch_row 1.2mysql_fetch_array注释:mysql_fetch_array...
分类:数据库   时间:2014-05-08 09:55:20    阅读次数:381
闲谈Oracle执行计划的步骤顺序
经过长时间学习Oracle,于是和大家分享一下,看完本文你肯定有不少收获,希望本文能教会你更多东西。Oracle执行计划的每一步返回一组行,它们或者为下一步所使用,或者在最后一步时返回给发出SQL语句的用户或应用。由每一步返回的一组行叫做行源(row source)。下面得树状图显示了从一步到另一步...
分类:数据库   时间:2014-05-08 09:18:30    阅读次数:441
深度优先搜索两个实例
参考算法导论第三版中译本,DFS的Pseudocode如下: 1 DFS(G) 2 for each vertex u ∈ G.V 3 u.color = WHITE 4 u.π = NIL 5 time = 0 6 for each ve...
分类:其他好文   时间:2014-05-08 06:44:52    阅读次数:380
leetcode第一刷_Populating Next Right Pointers in Each Node
这道题之前没见过,一上来还真不知道怎么做。问题的限制条件,树是完全二叉树其实并不是关键,只不过是一个简化的条件而已。那关键是什么呢?如何从当前节点跳到下一个开始的节点。我的做法是,每次从一层的最左边节点开始,一层一层的走。其实只有两种形式的next指针需要我们来更新,第一种,同一个节点的左右孩子,第二种,父亲相邻时,左边父亲的右孩子和右边父亲的左孩子之间。完全二叉树的简化就体现在更新的过程,因为完...
分类:其他好文   时间:2014-05-08 04:02:43    阅读次数:324
codechef Chef and The Right Triangles 题解
Chef and The Right Triangles The Chef is given a list of N triangles. Each triangle is identfied by the coordinates of its three corners in the 2-D cartesian plane. His job is to figure out how m...
分类:其他好文   时间:2014-05-07 16:28:35    阅读次数:314
jquery closest方法
.closest( selector ) Description: For each element in the set, get the first element that matches the selector by testing the element itself and traversing up through its ancestors in the DOM tre...
分类:Web程序   时间:2014-05-07 15:07:34    阅读次数:380
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