diff options
Diffstat (limited to 'day23.rb')
-rw-r--r-- | day23.rb | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/day23.rb b/day23.rb new file mode 100644 index 0000000..d946376 --- /dev/null +++ b/day23.rb @@ -0,0 +1,21 @@ +file = File.read("day23") + +bots = file.lines.map { |l| + l.scan(/<(-?\d+),(-?\d+),(-?\d+)>.*r=(-?\d+)/).first.map(&:to_i) +} + +strongest = bots.max_by { |x,y,z,w| w } + +p bots.count { |x,y,z,w| + ((x-strongest[0]).abs + + (y-strongest[1]).abs + + (z-strongest[2]).abs) <= strongest[3] +} # 577 + + +p bots.map { |b| b[0] }.sum +p bots.map { |b| b[1] }.sum +p bots.map { |b| b[2] }.sum + +# 16933511,19092135,15403726 +# 51429372 |