David the Great has just become the king of a desert country. To win the respect of his people, he decided to build channels all over his country to b ...
分类：
其他好文 时间：
2017-12-03 19:04:13
阅读次数：
165
题目描述: In some country there are exactly n cities and m bidirectional roads connecting the cities. Cities are numbered with integers from 1 to n. If ci ...
分类：
其他好文 时间：
2017-12-02 14:15:05
阅读次数：
161
使用的XML文件如下：file.xml 导入模块 读取文件 打印一下根节点信息 打印一下根节点的孩子节点 findall 直接定位节点 iter 遍历所有节点 data {'name': 'ming'} country {'name': 'Singapore'} rank {} 4 year {} ...
分类：
编程语言 时间：
2017-12-01 18:42:58
阅读次数：
190
QAQ Ralph And His Magic Field Marco and GCD Sequence Ralph And His Tour in Binary Country Ralph and Mushrooms ...
分类：
其他好文 时间：
2017-11-21 14:50:21
阅读次数：
103
I'm so broke. I really need to find a job. So do I. Do you see anything good on the Internet? How about this? A door to door sales person to sale baby ...
分类：
其他好文 时间：
2017-11-20 20:23:43
阅读次数：
264
面向对象的命名空间： #属性：静态属性 （直接和类名关联或者直接定义在class下的变量） # 对象属性 （在类内和self关联，在类外和对象名关联的变量） # 动态属性（函数） class Foo: country = 'China' country_lst = ['China'] def __i ...
分类：
其他好文 时间：
2017-11-20 17:44:42
阅读次数：
146
/* 1. 简单工厂模式 */ public class Operation { private double _numberA = 0; private double _numberB = 0; public double NumberA { get { return this._numberA;... ...
分类：
其他好文 时间：
2017-11-19 12:28:05
阅读次数：
147
Windy has a country, and he wants to build an army to protect his country. He has picked up N girls and M boys and wants to collect them to be his sol ...
分类：
其他好文 时间：
2017-11-16 20:55:10
阅读次数：
138
# ----------------------------------------- 字段 class Class: # 静态字段,属于类 # 已经创建,并且存放在类里,而不是每创建一个对象创建一次; country = '中国' def __init__(self, name): # 普通字段-... ...
分类：
编程语言 时间：
2017-11-15 22:02:16
阅读次数：
247
题目描述 Bessie is planning the annual Great Cow Gathering for cows all across the country and, of course, she would like to choose the most convenient lo ...
分类：
其他好文 时间：
2017-11-11 21:32:56
阅读次数：
187
