Let S = s1 s2...s2n be a well-formed string of
parentheses. S can be encoded in two different ways:q By an integer sequence P =
p1 p2...pn where pi is...
分类:
其他好文 时间:
2014-05-26 22:07:33
阅读次数:
300
Smallest multiple
Problem 5
2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder.
What is the smallest positive number that is evenly di...
分类:
其他好文 时间:
2014-05-23 01:51:13
阅读次数:
261
Microsoft Open Technologies has recently
released a Portable Class Libraryfor SQLite. Thanks to it, we can use SQLite in
the same way in all the suppo...
分类:
数据库 时间:
2014-05-22 15:06:51
阅读次数:
428
比GSS3 麻烦在于要判断两个区间的相交性。
分为三种情况.
1. x1 y1 x2 y2
这种情况就是 x1 y1 的右最大 + sum【y1 x2】 + x2 y2的做最大
2.x1 x2 y2 y1 其实就是 y1==y2的时候
要么区间在 x2-y2之间
要么区间的头在 x1 x2之间,尾在 x2 y2之间
3. x1 x2 y1 y2。
这种情况...
分类:
其他好文 时间:
2014-05-22 11:48:33
阅读次数:
261
Definitions:?StressTests the server –Peak volume
over a short span of time?LoadTests the database –Largest load the database can
handle at one time?Vo...
分类:
其他好文 时间:
2014-05-22 01:29:01
阅读次数:
338
The semaphore module can be used as an arbiter to ensure mutual exclusivity when sharing resources over multiple cores in a multicore device. It provides up to 64 independent semaphores that can be ac...
分类:
其他好文 时间:
2014-05-21 16:26:59
阅读次数:
234
参考别人的code, 看似不难的题,其实挺费事的。思想还是:From this example, we
can see that in the first position of the resulting combinations we can chose
number 1-5. Assume t...
分类:
其他好文 时间:
2014-05-21 14:24:04
阅读次数:
241
【题目】
Given two numbers represented as strings, return multiplication of the numbers as a string.
Note: The numbers can be arbitrarily large and are non-negative.
【题意】
给定用字符串表示的整数,返回两个数的乘积结果字符串。两个数字都非负,且能任意大。
【思路】
1. 考虑其中一个数是0的情况
2. 模拟乘法运算...
分类:
其他好文 时间:
2014-05-21 13:45:37
阅读次数:
214
Piggy-Bank
Problem Description
Before ACM can do anything, a budget must be prepared and the necessary financial support obtained. The main income for this action comes from Irreversibly Bound M...
分类:
其他好文 时间:
2014-05-21 10:17:35
阅读次数:
289
最近编写Python程序时经常遇见中文相关的问题,这里说一个问题的解决方法。
我在使用json模块的dumps()函数时,因为涉及到中文,报出如下错误:
ascii codec can't decode byte 0xe8 in position 0:ordinal not in range(128)
这是编码相关的问题,在该程序中加入如下代码:
import sys
reload(sys)
sys.setdefaultencoding('utf-8')
这样就可以解决该问题了,希望对大家有所帮助。...
分类:
编程语言 时间:
2014-05-21 09:47:21
阅读次数:
323