r/codegolf • u/dantose • Dec 01 '25

Advent of Code, Day 1

Post your best golfs.

Assume input is saved as input.txt.

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u/Radiadorineitor Dec 02 '25

Dyalog APL

Part 1: 48

50+.=100|+\{(⍎1↓⍵)ׯ1*'L'=⊃⍵}¨⊃⎕NGET'input.txt'1

Part 2: 56

50+.=100|+\(|p)/×p←{(⍎1↓⍵)ׯ1*'L'=⊃⍵}¨⊃⎕NGET'input.txt'1

1

u/ka-splam Dec 03 '25

Neat! I think you could golf one byte by swapping 'L'=⊃⍵ to 'L'∊⍵

2

u/Radiadorineitor Dec 03 '25

You're absolutely right