Code for the Advent of Code event
aoc advent-of-code
at main 21 lines 359 B view raw
1local input = io.open("input.txt", "r") 2 3local floor = 0 4 5local char 6 7local position = 0 8 9repeat 10 char = input:read(1) 11 position = position + 1 12 if char == "(" then 13 floor = floor + 1 14 elseif char == ")" then 15 floor = floor - 1 16 end 17until not char or floor == -1 18 19print("Reached floor -1 at position " .. position) 20 21input:close()