Name: Anonymous 2015-01-08 10:13
sample input: 9
sample output:
* *
* *
* *
* *
*
* *
* *
* *
* *
sample output:
* *
* *
* *
* *
*
* *
* *
* *
* *
X←{' *'[1+a∨⌽a←⍵ ⍵⍴1,⍵⍴0]}
X 9
* *
* *
* *
* *
*
* *
* *
* *
* *