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Container With Most Water
Given n non-negative integers a1, a2, ..., an, where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two endpoints of line i is at (i, ai) and (i, 0). Fin...
分类:其他好文   时间:2014-12-31 20:13:44    阅读次数:165
rocks sync users 异常问题
rocksCluster 执行# rocks sync users后出现下面的报警信息,会在所有终端出现,影响工作。Message from syslogd@hadoop-9 at Dec 31 16:34:14 ... aceback (most recent call last):Message...
分类:其他好文   时间:2014-12-31 18:02:29    阅读次数:1055
poj 2886 Who Gets the Most Candies? (线段树单点更新应用)
poj 2886 Who Gets the Most Candies? Description N children are sitting in a circle to play a game. The children are numbered from 1 to N in clockwise order. Each of them has a card with ...
分类:其他好文   时间:2014-12-30 23:42:05    阅读次数:310
[leetcode]Best Time to Buy and Sell Stock III
问题描述: Say you have an array for which the ith element is the price of a given stock on day i. Design an algorithm to find the maximum profit. You may complete at most two transactions. Note: Y...
分类:其他好文   时间:2014-12-30 22:08:07    阅读次数:178
Container With Most Water
Two pointer, 一头一尾;brute force的话需要时间复杂度为O(n^2);但是two pointer的方法可以进行简化(通过对某些case的省略): 具体: height[low] = height[high]: 则知道 height[high]与任意height[low...
分类:其他好文   时间:2014-12-30 09:11:34    阅读次数:153
HDU4009 Transfer water【最小树形图】【不定根】
题目大意:一个村庄被洪水摧毁了,整个村庄都要转移。但是山上没有泉水,每户家庭只能 在自家挖一个水井或是修一个水渠从别的家庭引水。如果要修井,则修井费用和房子所在海 拔高度有关,每米X元。如果从别人的家里引水,如果从高于自己家高度的人家里引水,费 用为每米Y元。如果从低于自己家高度的人家里引水,每条要多花费Z元。现在给你这个村庄 N个家庭房屋的坐标(a,b,c)和三种花费X,Y,Z。接着给你各家之间能单向修建引水沟渠的限制。 问:能使全村庄的人喝上水的总修建费用最低为多少。若不能,则输出"poor XiaoA...
分类:其他好文   时间:2014-12-30 00:32:51    阅读次数:134
csharp: using OleDb Getting the identity of the most recently added record
/// /// 执行SQL语句,返回影响的记录数 /// /// SQL语句 /// 影响的记录数 public static int ExecuteSql(string SQLString, params OleDbPara...
分类:数据库   时间:2014-12-30 00:21:53    阅读次数:173
LeetCode--Plus One
这个题目与java里的BigInteger实现有些类似,可以参考其源码。 题目: Given a non-negative number represented as an array of digits, plus one to the number. The digits are stored such that the most significant digit is a...
分类:其他好文   时间:2014-12-29 21:24:42    阅读次数:190
Root of AVL Tree
原题: An AVL tree is a self-balancing binary search tree. In an AVL tree, the heights of the two child subtrees of any node differ by at most one; if at any time they differ by more than one, rebalanci...
分类:其他好文   时间:2014-12-29 18:24:07    阅读次数:154
(简单) HDU 1698 Just a Hook , 线段树+区间更新。
Description: In the game of DotA, Pudge’s meat hook is actually the most horrible thing for most of the heroes. The hook is made up of several cons...
分类:其他好文   时间:2014-12-28 22:01:51    阅读次数:212
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