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[leetcode]_Binary Tree Inorder Traversal
题目:二叉树的中序遍历。思路:用递归来写中序遍历非常简单。但是题目直接挑衅说,----->"Recursive solution is trivial"。好吧。谁怕谁小狗。递归代码: 1 List inOrder = new ArrayList(); 2 3 public ...
分类:其他好文   时间:2014-06-29 12:55:36    阅读次数:176
Convert Sorted List to Binary Search Tree
Convert Sorted List to Binary Search Tree
分类:其他好文   时间:2014-06-06 18:11:06    阅读次数:165
用户输入数据的验证
1 1、手工编程验证,针对该动作类中的所有的动作方法2 步骤:3 a、动作类继承ActionSupport4 b、覆盖调用public void validate()方法5 c、在validate方法中,编写不符合要求的代码判断,并调用父类的addFieldE...
分类:其他好文   时间:2014-06-06 15:32:58    阅读次数:196
二叉排序树思想及C语言实现
转自: http://blog.chinaunix.net/uid-22663647-id-1771796.html1.二叉排序树的定义 二叉排序树(Binary Sort Tree)又称二叉查找(搜索)树(Binary Search Tree)。其定义为:二叉排序树或者是空树,或者是满足如下性质....
分类:编程语言   时间:2014-06-06 15:03:27    阅读次数:276
leetcode--Sum Root to Leaf Numbers
Given a binary tree containing digits from0-9only, each root-to-leaf path could represent a number.An example is the root-to-leaf path1->2->3which rep...
分类:其他好文   时间:2014-06-06 12:38:42    阅读次数:255
自定义基于XML的验证器
1 a、编写一个类,继承FieldValidatorSupport类。 2 b、在public void validate(Object object)编写你的验证逻辑 3 不符合要求的就向fieldErrors中放消息 4 ...
分类:其他好文   时间:2014-06-06 09:03:47    阅读次数:177
leetcode--Maximum Depth of Binary Tree
Given a binary tree, find its maximum depth.The maximum depth is the number of nodes along the longest path from the root node down to the farthest le...
分类:其他好文   时间:2014-06-05 14:10:38    阅读次数:304
leetcode--Add Binary
Given two binary strings, return their sum (also a binary string).For example,a ="11"b ="1"Return"100".public class Solution { /**The program is us...
分类:其他好文   时间:2014-06-05 14:08:35    阅读次数:188
leetcode--Populating Next Right Pointers in Each Node
Given a binary tree struct TreeLinkNode { TreeLinkNode *left; TreeLinkNode *right; TreeLinkNode *next; }Populate each next pointe...
分类:其他好文   时间:2014-06-05 13:42:24    阅读次数:264
leetcode--Populating Next Right Pointers in Each Node II
Follow up for problem "Populating Next Right Pointers in Each Node".What if the given tree could be any binary tree? Would your previous solution stil...
分类:其他好文   时间:2014-06-05 13:26:37    阅读次数:335
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