题目地址:Arthur and Walls
这题有一个脑洞,对于当前的点(i,j)并且此点为”*”来说,若存在包含它的2*2正方形中除了它自己外,另外三个点都是”.”,那么这个点就必须要变成”.”。由于去掉这个点之后会对周围的8个点造成影响,所以可以用BFS去搜。WA第12组的应该是只考虑了会影响到周围的4个点了。
代码如下:#include
#include <strin...
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其他好文 时间:
2015-03-28 11:39:34
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nltk安装完毕后,编写如下示例程序并运行,报Resource u'tokenizers/punkt/english.pickle' not found错误import nltksentence = """At eight o'clock on Thursday morning Arthur did...
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2015-03-18 20:10:08
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http://poj.org/problem?id=1178
Description
Centuries ago, King Arthur and the Knights of the Round Table used to meet every year on New Year's Day to celebrate their fellowship. In remembrance o...
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其他好文 时间:
2015-03-16 17:54:39
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144
Codeforces Round #293 Div2 E(Arthur and Questions)...
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其他好文 时间:
2015-03-05 12:58:17
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120
Beijing was once surrounded by four rings of city walls: the Forbidden City Wall, the Imperial City Wall, the Inner City Wall, and finally the Outer C...
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其他好文 时间:
2015-02-27 16:27:30
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183
Problem Description
Arthur and his sister Caroll have been playing a game called Nim for some time now. Nim is played as follows:
The starting position has a number of heaps, all containing some, not necessarily equal, number of beads.
The players t...
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其他好文 时间:
2015-02-26 23:05:36
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422
Maze Exploration
A maze of rectangular rooms is represented on a two dimensional grid as illustrated in figure 1a. Each point of the grid is represented by a character. The points of room walls are ...
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其他好文 时间:
2015-02-14 08:45:35
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134
#1// Move to the gem.// Don't touch the walls!// Type your code below.this.moveRight();this.moveDown();this.moveRight();#2// Grab all the gems using y...
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Web程序 时间:
2015-02-09 22:52:06
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202
探索Material DesignBy Arthur Bodolec, Design co-founder at feedly谷歌推出了AndroidLollipop版本的系统,其中介绍了一种新的视觉设计语言Material Design(材料设计),在新系统中,Android对视觉,运动,以及跨平台和设备的交互设计上进行全面的指导。十月七日,我参加了一个谷歌举办的研讨会,在这里材料设计的UX团队分...
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其他好文 时间:
2015-02-07 00:38:45
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284
CamelotTime Limit: 1000MSMemory Limit: 10000KTotal Submissions: 2839Accepted: 1334DescriptionCenturies ago, King Arthur and the Knights of the Round T...
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其他好文 时间:
2015-02-04 01:57:35
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182