Day 2: Red-Nosed Reports
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Uiua
Took me a bit longer to get this one but still quite simple overall.
Spent quite some time on getting to know the
try
andassert
operators better.Run with example input here
# Get the indices matching the ascending/ # descending criteria CheckAsc ← ≡°□⍚(⍣(⊸⍤.≍⍆.)⍣(⊸⍤.≍⇌⍆.)0) # Get the indices matching the distance criteria CheckDist ← ≡°□⍚(⍣(⊸⍤.≠1∈:0)0×⊓≥≤1,3⌵⧈-) Split ← ⊙(▽≠1)▽,, PartOne ← ( &rs ∞ &fo "input-2.txt" ⊜(□⊜⋕≠@ .)≠@\n. CheckAsc. ▽ CheckDist ⧻⊚ ) PartTwo ← ( &rs ∞ &fo "input-2.txt" ⊜(□⊜⋕≠@ .)≠@\n. CheckAsc. Split CheckDist. Split ⊙(⊂) ⧻ : ⍚(≡(▽:°⊟)⍜¤⊞⊟:≠1⊞=.⇡⧻.) ≡(⧻⊚CheckDist▽CheckAsc.°□) +⧻◴⊚ ) &p "Day 2:" &pf "Part 1: " &p PartOne &pf "Part 2: " &p PartTwo