AMZRCK - Amz Rock
To many people in many cultures, music is an important part of their way of life.
AmzMohammad is a fan of rock music. and he have n rock tracks (labelled from 1 to n) now he wants to select a playlist.
In his opinion a good playlist is one that have no two successive tracks.
In how many ways?
Input
First line is the number of test cases.
Each test case in an integer n (number of tracks.)
Output
Output number of good playlists he can make.
Answer is less than 1000000000. it is the only constraint :)
Example
Input: 2 1 2 Output: 2 3
note: a good play list may consist 0 track :)
note 2: how many Persian rock tracks we have?
hide comments
navya_19:
2020-01-26 00:48:00
Input is below 250 i.e. an array with i<250 is enough |
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sonuverma:
2018-01-09 11:50:35
"in his opinion a good playlist is one that have no two successive tracks."
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sanyam19:
2018-01-08 13:06:09
easy 1 :)
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nikhil2504:
2017-07-27 18:15:09
dp <3 |
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aexpo:
2017-07-27 17:50:25
The tracks in the play list should be in an ascending order only.Do not rearrange them.
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srnsh:
2017-01-31 17:16:52
Beware :: Spoilers in Comments --__--
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surajmall:
2016-10-12 06:09:03
real time fabonnici use
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ranjeetkumar:
2016-06-30 20:09:03
too much spoilers in comment |
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kolahzary:
2016-03-13 01:17:21
Wrote it in C# but C# is not acceptable for this problem :((
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manas0008:
2016-01-29 05:10:33
got WA when used a direct formula.But AC with a simple precomputation.Just watch first 4,5 consecutive testcases you'll get it. |
Added by: | mohammad mahmoodi |
Date: | 2012-08-01 |
Time limit: | 0.100s-1s |
Source limit: | 50000B |
Memory limit: | 1536MB |
Cluster: | Cube (Intel G860) |
Languages: | All except: ASM64 GAWK BASH CSHARP GO ICON ICK WHITESPACE |
Resource: | AmzMohammad ( Mohammad Mahmoodi ) |