http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=3754
开始看错题意了，以为没翻到a,b,c时要在原来的基础上加a+b+c，按我的意思推出来一个公式，没想到样例还过了，简直无法debug。
公式很好推，设dp[i]表示当前为i分时到达目标状态需要投掷的期望，可转移到两个状态dp[0]和dp[i+k]。设转移...
分类：
其他好文 时间：
2014-09-07 11:06:05
阅读次数：
220
Given an undirected weighted graph G , you should find one of spanning trees specified as follows.
The graph G is an ordered pair (V, E) , where V is a set of vertices {v1, v2,..., vn} and E is
a...
分类：
其他好文 时间：
2014-09-06 22:36:34
阅读次数：
358
All 6 sides of a cube are to becoated with paint. Each side is is coated uniformly with one color. When a selectionof n different colors of paint is available, how many different cubes can youmake?
...
分类：
其他好文 时间：
2014-09-06 20:03:53
阅读次数：
254
Word Break
Given a string s and a dictionary of words dict, determine if s can be segmented into a space-separated sequence of one or more dictionary words.
For example, given
s = "leetcode",...
分类：
其他好文 时间：
2014-09-06 18:46:33
阅读次数：
206
Description
Problem B
Cubes
You are given 12 rods of equal length. Each of them is colored in certain color. Your task is to determine in how many different ways one can construct a cube...
分类：
其他好文 时间：
2014-09-06 17:27:53
阅读次数：
253
Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity.思路：不断将相邻的链表两两合并，知道只剩一个链表为止。 1 class Solution { 2 pub...
分类：
其他好文 时间：
2014-09-06 14:51:13
阅读次数：
172
<?php
//快速排序
function?quickSork($arr)
{
$count?=?count($arr);
if($count?<?1)
{
return?$arr;
}
$one?=?$arr[0];
$left_array?=?$right_array??=?array();
for($i?=?1;?$i?...
分类：
Web程序 时间：
2014-09-06 12:32:23
阅读次数：
172
User Credentials In order to understand security in OS X, it is important to understand that there are two security models at work. One of these is th...
分类：
其他好文 时间：
2014-09-06 10:54:23
阅读次数：
365
Cannot complete the install because one or more required items could not be found. Software being installed: m2e - Maven Integration for Eclipse (inc....
分类：
系统相关 时间：
2014-09-06 00:59:32
阅读次数：
288
I：项目描述：利用Silverlight+WCF技术，模拟资源管理器（如图1）功能，通过地址栏输入本地文件夹路径，然后将解析出来的该目录下所有文件（夹）存储到数据库中，然后再加载到界面上显示出来；
II：涉及技术：Silverlight；WCF；Component One控件（TreeView和FlexGrid）
III：开发环境：Visual Studio2012；SQL Serve...
分类：
Web程序 时间：
2014-09-05 18:18:41
阅读次数：
434
