Now try BQN (Advent of Code 2020 Problem 2): Split ←((⊢-˜+`׬)∘=⊔⊢) input2←' 'Split¨•file.Lines "../202

Now try BQN (Advent of Code 2020 Problem 2): Split ←((⊢-˜+`׬)∘=⊔⊢) input2←' 'Split¨•file.Lines "../2020/2.txt" # change string to your file location Day2←{ f←⊑{(⊑)+↕1+|-´}‿{-1} # Select the [I]ndex generator [F]unction I←{F •BQN¨ '-' Split ⊑} # [I]ndices used to determine if the C←{⊑1⊑} # [C]haracter appears in the P←{⊑⌽} # [P]assword either Part1←(I∊˜·+´C= P)¨ # a given number of times Part2←(1= ·+´C=I⊏P)¨ # or at one of a pair of indices ⊑+´◶Part1‿Part2 } •Show { Day2 input2}¨↕2