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authoraecepoglu <aecepoglu@fastmail.fm>2022-10-05 00:43:28 +0100
committeraecepoglu <aecepoglu@fastmail.fm>2022-10-05 00:48:03 +0100
commit28a6143292d728302fb8c2a171aa6d5fbd437ec1 (patch)
tree5852eaab4150b50c524d0130e4c91f46f06f19a1 /challenge-102/aecepoglu
parentc2c9d22ffcf55b02aa3a5aeda5553f5b556e81af (diff)
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+Overdue solutions by AhmetEmre
diff --git a/challenge-102/aecepoglu/bqn/ch-2.bqn b/challenge-102/aecepoglu/bqn/ch-2.bqn
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+# TASK 2 - hash counting string
+F←{"@":"@";
+ 𝕊𝕩:¬∨´"@@"⍷𝕩?𝕩;
+ i‿s←(⊢⋈•Repr)2+⊑⌽/"@@"(≠∘⊢↑⍷)𝕩
+ is←((⊢-1˙)⊸∾)⍟(1-˜≠s) ⟨2-˜i⟩
+ s⌾(is⊸⊏)𝕩
+ }
+⌽˘⍉{F⍟(⌊n÷2) '@'⥊˜n←𝕩}¨⊸≍↕20