Suppose we put two panes of glass back-to-back. How many ways a are there for light rays to pass through or is reflected after changing direction n times? Following figure shows the situations when the value of n is 0, 1 and 2.
Input
It is a set of lines with an integer n where 0≤n≤1000 in each of them.
Output
For every one of the integers a line containing a as described above.
Sample Input
0
1
2
Sample Output
1
2
3
Title Link: UVA10334 Ray through glass
The pattern material has many, needs, we may use the layer pattern and so on increases the color, the texture, the texture, can obtain the quite good effect, may decorate the picture better.
Final effect
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According to the previous news reported by Ray, Xiaomi VR seems to be released in the first month of this year. What does Xiaomi VR look like?It is probably also a mobile VR box:Although we cannot guarantee 100%, we think that more than 90% of
UVA_10334
This question can be guessed as a series of fibonacci columns.
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css
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Click to see the final effect of the big picture
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s code in any the want without warrenty, support or any guarentee of it working. Book:it would is nice if you cited It:learning
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