16 lines
554 B
APL
16 lines
554 B
APL
⍝ 1: Let's Split!
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split←(0>⊣)⌽((⊂↑),(⊂↓))
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⍝ 2: Character Building
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characters←{(~⍵∊127+⍳64)⊂⍵}
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⍝ 3: Excel-lent Columns
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columns←26⊥64-⍨⎕UCS
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⍝ 4: Take a Leap
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leap←1 3∊⍨(0+.=400 100 4∘.|⊢)
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⍝ 5: Stepping in the Proper Direction
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stepping←{(⊃⍵)+(-×-/⍵)×0,⍳|-/⍵}
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⍝ 6: Please Move to the Front
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movefront←{⍵[⍋⍺≠⍵]}
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⍝ 7: See You in a Bit
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bits←{f←⍸∘⌽(2∘⊥⍣¯1)⋄∧/(f⍺)∊f⍵}
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⍝ 8: Zigzag Numbers
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zigzag←∧/2=∘|2-/∘×2-/(10∘⊥⍣¯1)
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