3 lines
115 B
BQN
3 lines
115 B
BQN
in←-⟜'0'¨•FLines"input"
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D2B←2⊸×⊸+˜´∘⌽
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•Show ×´D2B¨(1⊸-⋈⊢)(+´>≠÷2˙)in # part 1
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