Problem Description
Today is Yukari's n-th birthday. Ran and Chen hold a celebration party for her. Now comes the most important part, birthday cake! But it's a big challenge for them to place n ca...
分类：
其他好文 时间：
2014-05-26 04:38:35
阅读次数：
239
-好软件的定义就是它的体积不大不小，功能不多不少，一切都是那么的恰到好处。 -Good
software is neither too big nor too small，neither too Complex nor too
Simple，everything is so right. +点击.....
分类：
其他好文 时间：
2014-05-26 00:54:15
阅读次数：
254
Problem Description
Some days ago, I learned the concept of LCM (least common multiple). I've played with it for several times and I want to make a big number with it.
But I also don't want to use...
分类：
其他好文 时间：
2014-05-25 16:39:53
阅读次数：
266
Problem Description
Some days ago, I learned the concept of LCM (least common multiple). I've played with it for several times and I want to make a big number with it.
But I also don't want to use...
分类：
其他好文 时间：
2014-05-25 16:32:49
阅读次数：
214
寻找图中最小连通的路径，图如下：
算法步骤：
1. Sort all the edges in non-decreasing order of their weight.
2. Pick the smallest edge. Check if it forms a cycle with the spanning tree
formed so far. If cycle is n...
分类：
其他好文 时间：
2014-05-25 07:35:59
阅读次数：
301
【题目】
Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order.
For example,
Given the following matrix:
[
[ 1, 2, 3 ],
[ 4, 5, 6 ],
[ 7, 8, 9 ]
]
You should return [1,2,3,6,9,8,7,4,5].
【题意】
螺旋输出MxN...
分类：
其他好文 时间：
2014-05-24 23:11:02
阅读次数：
279
题目
Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and blue.
Here, we will use the i...
分类：
其他好文 时间：
2014-05-24 20:30:21
阅读次数：
342
http://poj.org/problem?id=3013
题意：
Because of a technical difficulty, price of an edge will be (sum of weights of all descendant nodes) × (unit price of the edge).这句话一直没看懂。后面还以为是最小生成树。
正确...
分类：
其他好文 时间：
2014-05-24 20:27:13
阅读次数：
266
点击打开链接
题意：
集合S支持一下四种操作：
INSERT(S,x) : 如果S中没有x，则插入x
DELETE(S,x): 如果S中有x，则删除x
K-TH(S): 输出S中第K小的数
COUNT(S,x): 统计S中小于x的数有多少个
一共有Q（1 ≤ Q ≤ 200000）次操作。
Treap模板。。
#i...
分类：
其他好文 时间：
2014-05-24 18:03:11
阅读次数：
213
123/** * 返回跟单信息 * * @return array 返回跟单相关信息 *
@author ZP 2013-12-17 11:55:16 * @modify YLP 2014-5-13 17:30:29 未采购和未到货不需要同时显示明细
*/function get_order_tra...
分类：
其他好文 时间：
2014-05-24 12:37:41
阅读次数：
309
