2 lines
81 B
APL
2 lines
81 B
APL
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rep ← ⊢ (⊢(/⍨)(⊂⊣)≡¨(≢⊣)⍴¨⊢) ⍳∘(⌊0.5×≢)↑¨⊂
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rep ← ⊢ (⊢(/⍨)(⊂⊣)≡¨(≢⊣)⍴¨⊢) ⍳∘(⌊0.5×≢)↑¨⊂
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