题目地址：codeforces 292 B
用队列维护度数为1的点，也就是可以唯一确定的点，然后每次找v1,v2,并用v2来更新与之相连的点，如果更新后的点度数为1，就加入队列。若最后还有为”.”的，说明无解或解不唯一。
代码如下：#include
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#include
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编程语言 时间：
2015-02-20 22:04:45
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267
D. Drazil and Tiles
time limit per test
2 seconds
memory limit per test
256 megabytes
input
standard input
output
standard output
Drazil created a following problem abou...
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编程语言 时间：
2015-02-18 14:09:31
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287
Red and Black
Time Limit: 1000MS
Memory Limit: 30000K
Total Submissions: 24058
Accepted: 13007
Description
There is a rectangular room, covered with square tiles. E...
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其他好文 时间：
2015-02-18 14:06:09
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133
B. Drazil and TilesDrazil created a following problem about putting 1?×?2 tiles into an n?×?m grid:"There is a grid with some cells that are empty and...
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其他好文 时间：
2015-02-18 12:59:28
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152
Problem Description
The 15-puzzle has been around for over 100 years; even if you don't know it by that name, you've seen it. It is constructed with 15 sliding tiles, each with a number from 1 to 15 on it, and all packed into a 4 by 4 frame with one tile m...
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编程语言 时间：
2015-02-15 09:29:04
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1023
Problem Description
There is a large room in the Pyramid called Room-of-No-Return. Its floor is covered by rectangular tiles of equal size. The name of the room was chosen because of the very high ...
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其他好文 时间：
2015-02-06 09:36:59
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185
Red and Black
Time Limit: 1000MS
Memory Limit: 30000K
Total Submissions: 23904
Accepted: 12927
Description
There is a rectangular room, covered with square tiles....
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其他好文 时间：
2015-02-02 18:07:53
阅读次数：
111
DescriptionThere is a rectangular room, covered with square tiles. Each tile is colored either red or black. A man is standing on a black tile. From a...
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其他好文 时间：
2015-01-27 21:43:01
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170
uva 11210 Chinese Mahjong
Mahjong () is a game of Chinese origin usually played by four persons with tiles resembling dominoes and bearing various designs, which are drawn and discarded until o...
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其他好文 时间：
2015-01-27 09:30:43
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273
There is a rectangular room, covered with square tiles. Each tile is colored either red or black. A man is standing on a black tile. From a tile, he c...
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其他好文 时间：
2015-01-20 13:31:48
阅读次数：
148
