Little penguin Polo likes permutations. But most of all he likes permutations of integers from 0 to n, inclusive.For permutation p?=?p0,?p1,?…,?pn, Polo has defined its beauty — number .Expression mean...
分类：
其他好文 时间：
2015-04-08 18:08:05
阅读次数：
144
Given a 2d grid map of'1's (land) and'0's (water), count the number of islands. An island is surrounded by water and is formed by connecting adjacent ...
分类：
其他好文 时间：
2015-04-08 14:31:36
阅读次数：
122
1566: The Maze Makers
Time Limit: 1 Sec Memory Limit: 128 MB
Submit: 90 Solved: 33
[Submit][Status][Web
Board]
Description
The Maze Makers is a publisher of puzzle books. One of their most ...
分类：
其他好文 时间：
2015-04-08 09:13:58
阅读次数：
135
February 2015One of the most valuable exercises you can try if you want to understand startups is to look at the most successful companies and explain...
分类：
其他好文 时间：
2015-04-08 06:25:25
阅读次数：
214
Description
The Maze Makers is a publisher of puzzle books. One of their most popular series is maze books. They have a program that generates rectangular two-dimensional mazes like the one shown...
分类：
其他好文 时间：
2015-04-07 17:43:08
阅读次数：
156
本节将学习元组、字典，以及其他涉及到的相关知识1.元组 （tuple） 元组由圆括号括起来，元素之间用逗号相隔。元组是不可变对象，一旦定义了，就不能更改>>> t=('a','b','c')>>> t[1]'b'>>> t[1]=4Traceback (most recent call last):...
分类：
编程语言 时间：
2015-04-07 17:34:13
阅读次数：
344
今天安装了PyScripter编辑器，刚要写代码，突然就出现异常：>>> Traceback (most recent call last): File "", line 378, in findModuleOrPackage File "", line 367, in find_dotted_.....
分类：
编程语言 时间：
2015-04-07 13:41:56
阅读次数：
142
??
问题描述：Given
n non-negative integers a1,
a2, ...,
an, where each represents
a pointat coordinate (i, ai).
n vertical lines aredrawn such that the two endpoints of line i is at (i,
ai) and (...
分类：
其他好文 时间：
2015-04-07 11:59:19
阅读次数：
129
10:08 2015-04-07003、Hot问题并不是说，这个问题很Hot，而是在一篇文档中，出现了两个Hot。1000 Most Common Words in English - Numbers Vocabulary for ESL EFL TEFL TOEFL TESL English Le...
分类：
其他好文 时间：
2015-04-07 11:40:57
阅读次数：
105
Say you have an array for which the ith element is the price of a given stock on day
i.
Design an algorithm to find the maximum profit. You may complete at most
k transactions.
Note:
You may not ...
分类：
其他好文 时间：
2015-04-07 10:03:35
阅读次数：
154
