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折半查找
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...
分类:其他好文   时间:2014-07-16 23:25:47    阅读次数:233
Binary Tree Maximum Path Sum
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 ...
分类:其他好文   时间:2014-07-10 11:24:15    阅读次数:229
OpenERP对象字段定义的详解
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...
分类:其他好文   时间:2014-07-10 11:13:07    阅读次数:339
[LeetCode] Construct Binary Tree from Preorder and Inorder Traversal
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...
分类:其他好文   时间:2014-07-10 09:58:40    阅读次数:224
[leetcode] Add Binary
Given two binary strings, return their sum (also a binary string).
分类:其他好文   时间:2014-07-09 23:52:48    阅读次数:383
[LeetCode] Construct Binary Tree from Inorder and Postorder Traversal
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...
分类:其他好文   时间:2014-07-07 23:18:53    阅读次数:283
[leetcode] Text Justification
Given an array of words and a length L, format the text such that each line has exactly L characters and is fully (left and right) justified.
分类:其他好文   时间:2014-07-07 23:16:20    阅读次数:274
文件处理
#include "my_file.h" //将文件内容拷贝到指定文件 int mycopy(const char *filename) {  ifstream infile(filename, ios::binary);  ofstream outfile("TRACE.txt", ios::binary);    if (!infile.is_open() || !outfile...
分类:其他好文   时间:2014-06-28 08:46:56    阅读次数:199
LeetCode——Path Sum II
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 / ...
分类:其他好文   时间:2014-06-28 07:31:28    阅读次数:214
自定义Activity的跳转动画
本来感觉是一个很小的需求, 后来发现老是 出问题, 使用Theme在 4.0上 操作不是很好用. 后来查阅资料, 需要在finish 后面 和 startActivity 后面添加    overridePendingTransition(R.anim.push_right_in,                 R.anim.push_right_out); ...
分类:其他好文   时间:2014-06-27 23:33:51    阅读次数:385
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