给定一个整数X和整数A0,A1,…,AN-1,后者已经预先排序并在内存中,求下标i使得Ai = X , 如果X不在数据中则返回i = -1 。明显的解法是从左往右扫描,花费线性时间。但是这个算法没有用到该表已经排序这个事实。折半检索(binary search,二分法检索)策略:/** * Perf...
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其他好文 时间:
2014-07-16 23:25:47
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233
Given a binary tree, find the maximum path sum.The path may start and end at any node in the tree.For example:Given the below binary tree, 1 ...
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其他好文 时间:
2014-07-10 11:24:15
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229
OpenERP对象支持的字段类型有,基础类型:char, text, boolean, integer, float, date, time, datetime, binary;复杂类型:selection, function, related;关系类型:one2one, one2many, man...
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其他好文 时间:
2014-07-10 11:13:07
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339
Given preorder and inorder traversal of a tree, construct the binary tree.Note:You may assume that duplicates do not exist in the tree.方法一:最先想到的就是递归,注...
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其他好文 时间:
2014-07-10 09:58:40
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224
Given two binary strings, return their sum (also a binary string).
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其他好文 时间:
2014-07-09 23:52:48
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383
Given inorder and postorder traversal of a tree, construct the binary tree.Note:You may assume that duplicates do not exist in the tree.方法:在inorder中寻找...
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其他好文 时间:
2014-07-07 23:18:53
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283
Given a binary tree struct TreeLinkNode { TreeLinkNode *left; TreeLinkNode *right; TreeLinkNode *next; }Populate each next pointe...
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其他好文 时间:
2014-07-07 23:09:49
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298
二叉树的前序遍历:root点先被访问,然后是left和right子节点。迭代的版本也相对好写。1、递归版本:时间复杂度O(N),空间复杂度O(N) 1 /** 2 * Definition for binary tree 3 * struct TreeNode { 4 * int va...
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其他好文 时间:
2014-07-07 20:35:24
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158
第一步:下载apache-tomcat-6.0.41-src第二步:阅读BUILDING.txt。了解所需要的步骤。In order to build a binary distribution version of Apache Tomcat from asource distribution, ...
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其他好文 时间:
2014-07-07 20:21:08
阅读次数:
359
Given a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum.
For example:
Given the below binary tree and sum
= 22,
5
/ ...
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其他好文 时间:
2014-06-28 07:31:28
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214