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LeetCode:Best Time to Buy and Sell Stock II
标题叙述性说明:Say you have an array for which theithelement is the price of a given stock on dayi.Design an algorithm to find the maximum profit. You may co...
分类:其他好文   时间:2015-09-23 13:18:53    阅读次数:163
HDU 4002 Find the maximum (欧拉函数-积性函数的性质(2011年大连赛区网络赛第二题)
【题目链接】:click here~~ 【题目大意】: 给出一个整数n,求一个数x,x在1到n之间,并且x/φ(x)最大(其中φ(x)为x的欧拉函数)。 【思路】: 由欧拉函数为积性函数,即:如果 则有: 且:...
分类:其他好文   时间:2015-09-23 01:14:58    阅读次数:125
二叉树最大路径和-Binary Tree Maximum Path Sum
Given a binary tree, find the maximum path sum.For this problem, a path is defined as any sequence of nodes from some starting node to any node in the...
分类:其他好文   时间:2015-09-22 23:14:20    阅读次数:184
最多两次股票交易-Best Time to Buy and Sell Stock III
Say you have an array for which theithelement is the price of a given stock on dayi.Design an algorithm to find the maximum profit. You may complete a...
分类:其他好文   时间:2015-09-22 23:12:37    阅读次数:204
codeforces 375B B. Maximum Submatrix 2(dp)
题目链接:codeforces 375B题目大意:给出一个01矩阵,行与行之间可以互换位置,问能够得到最大的全1矩阵的面积。题目分析: 我们有一种模型,就是对于不互换行的01矩阵求最大面积,就是固定子矩阵的右下角,记录h[i][j]就是当前位置的高度,然后向左延展的距离,枚举所有的即可。 代码如下: #include #include #include <c...
分类:其他好文   时间:2015-09-22 11:32:01    阅读次数:122
maximum gap
Given an unsorted array, find the maximum difference between the successive elements in its sorted form.Try to solve it in linear time/space.Return 0 ...
分类:其他好文   时间:2015-09-21 19:17:23    阅读次数:124
关于手机端显示页面一个像素的边框变粗的问题
正常的页面设置了<meta name="viewport" content="width=device-width, initial-scale=1,minimum-scale=1,maximum-scale=1"> 之后 手机端的border细线 及时设置了1px的宽度也会虚化变宽。 如何解决这个问题,最简...
分类:移动开发   时间:2015-09-21 16:04:49    阅读次数:304
Best Time to Buy and Sell Stock III 解答
QuestionSay you have an array for which theithelement is the price of a given stock on dayi.Design an algorithm to find the maximum profit. You may co...
分类:其他好文   时间:2015-09-21 08:05:14    阅读次数:179
Best Time to Buy and Sell Stock II 解答
QuestionSay you have an array for which theithelement is the price of a given stock on dayi.Design an algorithm to find the maximum profit. You may co...
分类:其他好文   时间:2015-09-21 07:02:58    阅读次数:243
C# 把datagridview控件上的表格输出到excel文件
截取项目示例中的一部分核心代码//——————————————————————————————核心代码部分 this.toolStripProgressBar1.Maximum = this.dataGridView1.Rows.Count-1; Micr...
分类:Windows程序   时间:2015-09-20 22:10:30    阅读次数:285
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