定义
Encapsulate a request as an object ,thereby letting you parameterize clients with different requests,queue or log requests,and support undoable operations.(将一个请求封装成一个对象,从而让你使用不同的请求把客户端参数化,对请求排...
分类:
其他好文 时间:
2015-07-20 14:35:51
阅读次数:
161
Let p(n) represent the number of different ways in which n coins can be separated into piles. For example, five coins can be separated into piles in exactly seven
different ways, so p(5)=7.
...
分类:
其他好文 时间:
2015-07-19 16:35:22
阅读次数:
181
问题叙述性说明:So I've got a library I'm compiling and I need to link different third party things in depending on if it's the debug or release build (specif...
Builder Pattern
Separate the construction of a complex object from its representation so that the same construction process can create different representations.
将一个复杂对象的构建与它的表示分离,使得同样的构造过程可以创建...
分类:
其他好文 时间:
2015-07-19 10:18:18
阅读次数:
109
Ubiquitous ReligionsTime Limit:5000MSMemory Limit:65536KTotal Submissions:22972Accepted:11331DescriptionThere are so many different religions in the w...
分类:
其他好文 时间:
2015-07-18 20:00:21
阅读次数:
102
It is possible to write five as a sum in exactly six different ways:
4 + 1
3 + 2
3 + 1 + 1
2 + 2 + 1
2 + 1 + 1 + 1
1 + 1 + 1 + 1 + 1
How many different ways can one hundred be written as a su...
分类:
其他好文 时间:
2015-07-18 18:41:52
阅读次数:
94
It is possible to write ten as the sum of primes in exactly five different ways:
7 + 3
5 + 5
5 + 3 + 2
3 + 3 + 2 + 2
2 + 2 + 2 + 2 + 2
What is the first value which can be written as the sum o...
分类:
其他好文 时间:
2015-07-18 18:40:05
阅读次数:
118
首先来看命令模式(Command Pattern)的定义:
《Head First Design Pattern》中的定义是:The Command Pattern encapsulates a request as an object, thereby letting you parameterize other objects with different requests, queue or...
分类:
其他好文 时间:
2015-07-18 12:35:11
阅读次数:
115
DescriptionGiven n different objects, you want to take k of them. How many ways to can do it?For example, say there are 4 items; you want to take 2 of...
分类:
其他好文 时间:
2015-07-18 02:02:17
阅读次数:
210
DescriptionBackgroundProfessor Hopper is researching the sexual behavior of a rare species of bugs. He assumes that they feature two different genders...
分类:
其他好文 时间:
2015-07-17 22:37:37
阅读次数:
141