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Binary Tree post order traversal
One: Using two stacks, stack to traversal the node, stackr to record the parent node when visiting its right-child; https://oj.leetcode.com/problems.....
分类:其他好文   时间:2014-12-05 00:30:18    阅读次数:158
[leetcode]Convert Sorted Array to Binary Search Tree
问题描述: Given an array where elements are sorted in ascending order, convert it to a height balanced BST. 基本思想: 二分法构建二差排序树。 代码: TreeNode *subsortedArrayToBST(vector & num,int begin, int end) /...
分类:其他好文   时间:2014-12-04 23:18:01    阅读次数:189
[Spring MVC] - view的redirect和forward
可以通过redirect/forward:url方式转到另一个Action进行连续的处理。可以通过redirect:url 防止表单重复提交 。写法如下:return "forward:/order/add";return "redirect:/index.jsp";带参数重定向--Redirect...
分类:编程语言   时间:2014-12-04 17:37:29    阅读次数:200
信用控制增强
【转自 http://blog.itpub.net/195776/viewspace-1023914/】1 信用检查调用的函数FUNCTION SD_ORDER_CREDIT_CHECK2 信用释放的函数(相关TCODE: VKM1)FUNCTION SD_ORDER_CREDIT_RELEASE3...
分类:其他好文   时间:2014-12-04 17:35:25    阅读次数:214
mysql获取7天前数据,日期比较
select * from news where n_date>unix_timestamp( subdate( now() , interval 7 day ))order by n_click? desc ? ? N天内记录 WHERE TO_DAYS(NOW()) - TO_DAYS(时间字段) <= N 今天的记录 where date(时间字段...
分类:数据库   时间:2014-12-04 14:06:36    阅读次数:250
LeetCode[Array]: Spiral Matrix II
Given an integer n, generate a square matrix filled with elements from 1 to n2 in spiral order. For example, Given n = 3, You should return the following matrix: [ [ 1, 2, 3 ], [ 8, 9, 4 ], [ 7...
分类:其他好文   时间:2014-12-04 14:00:17    阅读次数:174
LeetCode[Array]: Search Insert Position
Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in order. You may assume no duplicates in the array. ...
分类:其他好文   时间:2014-12-04 13:59:41    阅读次数:154
Spiral Matrix
Given a matrix ofmxnelements (mrows,ncolumns), return all elements of the matrix in spiral order.For example,Given the following matrix:[ [ 1, 2, 3 ],...
分类:其他好文   时间:2014-12-04 13:56:40    阅读次数:151
LeetCode[Array]: Spiral Matrix
Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. For example, Given the following matrix: [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, 9 ] ] You ...
分类:其他好文   时间:2014-12-04 08:51:39    阅读次数:148
UVA 10306 e-Coins(二维完全背包)
At the Department for Bills and Coins, an extension of today's monetary system has newly been proposed, in order to make it fit the new economy better. A number of new so called e-coins will be produc...
分类:其他好文   时间:2014-12-04 01:04:21    阅读次数:229
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