weekly_programmer

For Weekly Programming Challenges

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Solution for Week 1

Author: pie-flavor

Language: APL

{⍵=0:1⋄1,~{1∊2|∊⍴¨1~¨⍨⍵⊂⍵}¨{⍵⊤⍨∊2⍴⍨1+⌊2⍟⍵}¨⍳⍵}

Challenge Output for n = 20:

1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0