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[PAT]1087. All Roads Lead to Rome (30)
/************************************************************** 1087. All Roads Lead to Rome (30) 时间限制 200 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue Indeed there are many different t...
分类:其他好文   时间:2014-11-27 09:18:36    阅读次数:195
[MySQL] Data too long for column 'title' at row 1
李刚轻量级JavaEE第六章的坑。。艹李刚自己有没试过这些代码的啊,6.4这一份HqlQuery.java里需要的表,根本就跟他提供的sql脚本对不上啊。。坑爹啊,而且字符编码集也有问题。出现这个原因是编码不统一的问题。首先字符编码集有GBK、GB2312、UTF8,区别详见http://down....
分类:数据库   时间:2014-11-27 06:41:37    阅读次数:192
UVA 12446 How Many... in 3D! 搭积木 dp
题目链接:点击打开链接 题意: 用1*1*2的方块搭出2*2*N的方块的方法数 则对于每一层有9种状态 0、全为1. 1、 00 __ 0表示这个为空,__表示这两个平躺着一个方块 2、 00 11 0表示这格为空,1表示这格方块是直立放着的。 如此类推除第0种共8种状态,然后就是简单的转移。 而其他状态是无效的,不会参与到答案的计算中,所以不需要考虑 #in...
分类:其他好文   时间:2014-11-27 01:41:01    阅读次数:281
Exponentiation
Description Problems involving the computation of exact values of very large magnitude and precision are common. For example, the computation of the national debt is a taxing experience for many...
分类:其他好文   时间:2014-11-26 22:40:25    阅读次数:253
Hibernate-----多对多关联映射(映射文件)
多对多可通过两个多对一实现(把第三张表抽取出一个实体,然后两个多对应一个新实体) 多对多会建立三张表,第三张表存放两个外键分别指向两个多;然后两个外键作为第三张表的联合主键 一、单向关联映射 Many(维护端:User) <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//...
分类:Web程序   时间:2014-11-26 21:04:11    阅读次数:229
Hibernate-----多对一关联映射(映射文件方式)
N-1关联映射原理:在多的一端加入一个外键,指向一的一端   Many(维护端:User) ...
分类:Web程序   时间:2014-11-26 18:55:10    阅读次数:244
[LeetCode] Climbing Sairs
You are climbing a stair case. It takesnsteps to reach to the top.Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb...
分类:其他好文   时间:2014-11-26 14:01:07    阅读次数:165
Heli Track
Heli tracker. #1,2,3 as Gen Ace Battery. #4,5,6 as Nano Battery11/25/2014 Lightly crashed, servo arm brake. Too dark to see heli level. #4,5,...
分类:其他好文   时间:2014-11-26 13:36:38    阅读次数:224
If We Were a Child Again
Description The Problem   The first project for the poor student was to make a calculator that can just perform the basic arithmetic operations.   But like many other university students he d...
分类:其他好文   时间:2014-11-25 23:39:30    阅读次数:226
leetCode —— Unique Paths II [Dynamic Programming]
唯一路径问题IIUnique Paths IIFollow up for "Unique Paths":Now consider if some obstacles are added to the grids. How many unique paths would there be?An obs...
分类:其他好文   时间:2014-11-25 20:21:24    阅读次数:249
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