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CodeGolfScotland/December 2016 - Oh xmas tree, oh xmas tree.md

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Code Golf December 2016
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December 2016 - Oh xmas tree, oh xmas tree.md

December 2016 - Oh xmas tree, oh xmas tree

Task

Return an xmas tree n rows in length.

n will always be greater than 0.

Examples:

(1) => * 

(3) =>
  *
 ***
*****

(5) =>  
    *
   ***
  *****
 *******
*********

*^You can assume that you will always recieved valid input

About Code Golf Scotland

@HDudzus
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HDudzus commented Dec 31, 2016

Language: Haskell
Length: 65
A little late for Christmas, but still in December. :-)

t n=unlines$map(\h->replicate(n-h)' '++replicate(2*h-1)'*')[1..n]

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