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计算机科学及编程导论(3)迭代程序的设计与实现、遍历、元组
1. 迭代程序的设计:基础元素迭代程序的实现,通常包括下了以下五个部分:计数器(Count):用于标记循环的次数初始化(Initiate):在循环外部进行初始化正确的结束测试(Right End Test):在什么情况下结束通常与计数器(Count)密切相关循环部分的代码块:该部分代码块通常包含了对...
分类:其他好文   时间:2014-06-29 13:49:03    阅读次数:318
[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
LeetCode --- Validate Binary Search Tree
题目链接判断一颗二叉树是否是二叉搜索树(二叉排序树),也就是BST如果该二叉树是BST, 那么对其中序遍历,所得序列一定是单调递增的(不考虑有重复数值的情况)附上代码: 1 /** 2 * Definition for binary tree 3 * struct TreeNode { 4 *...
分类:其他好文   时间:2014-06-07 11:28:18    阅读次数:254
Algorithm | Binary Search
1. 普通的二分查找2. 查找最左边的值3. 查找最右边的值Worst case performance: O(log n)Best case performance: O(1)Average case performance: O(log n)Worst case space complexity...
分类:其他好文   时间:2014-06-07 11:19:48    阅读次数:248
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$\bf证明$ 由于$m\left( {E\left( {{f_n} \nrightarrow f} \right)} \right) = 0$,则我们不妨设$\left\{ {{f_n}\left( x \right)} \right\}$处处收敛于$f(x)$,此时\[E = \bigcup\l...
分类:其他好文   时间:2014-06-07 07:12:08    阅读次数:206
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--Rotate List
Given a list, rotate the list to the right bykplaces, wherekis non-negative.For example:Given1->2->3->4->5->NULLandk=2,return4->5->1->2->3->NULL./** *...
分类:其他好文   时间:2014-06-05 13:44:26    阅读次数:250
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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