AdventOfCode/13.rb

43 lines
827 B
Ruby
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2017-12-19 13:29:17 +00:00
input = File.read('input_13.txt').gsub(" ","").split("\n").map do |x| x.split(":") end.to_h
#input = {0 => 3, 1 => 2, 4 => 4, 6 => 4}
input = input.map do |k, v| [k.to_i, v.to_i] end.to_h
def round_trip a
(a*2)-2
end
def do_count input
input.keys.reduce(0) do |mem, time|
p "Time: " + time.to_s
p "Range: " + input[time].to_s
p "Calc: " + (time % (round_trip input[time])).to_s
if time % (round_trip input[time]) == 0 then
cost = time * (input[time])
mem += cost
else mem
end
end
end
def do_count_with_delay input
i = 0
while true do
res = 0
input.keys.each do |time|
if (time+i) % (round_trip input[time]) == 0 then
res = 1
end
end
if res == 0 then
return i
end
i += 1
end
end
p do_count input
p do_count_with_delay input