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 程式師世界 >> 編程語言 >> 更多編程語言 >> 編程解疑 >> lines-Tiling

lines-Tiling

編輯:編程解疑
Tiling

Description
In how many ways can you tile a 2xn rectangle by 2x1 or 2x2 tiles?
Here is a sample tiling of a 2x17 rectangle.

Input
Input is a sequence of lines, each line containing an integer number 0 <= n <= 250.
Output
For each line of input, output one integer number in a separate line giving the number of possible tilings of a 2xn rectangle.
Sample Input
2
8
12
100
200
Sample Output
3
171
2731
845100400152152934331135470251
1071292029505993517027974728227441735014801995855195223534251

最佳回答:


http://blog.csdn.net/nvliba/article/details/47903813

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