aoc_2025_day_01.pai

# https://adventofcode.com/2025/day/1

let dial_position = 50
let zero_count = 0

require file using file.stdin

until eof do
    let instruction = ${call stdin}

    let direction amount = {instruction[1]} {instruction[2::].int()}

    if {direction = 'L'} then let amount = {-amount} end
    let dial_position = {(dial_position + amount) % 100}

    if {dial_position = 0} then let zero_count += 1 end
end

print {zero_count}