day10 (ruby)

1 files changed, 28 insertions, 0 deletions

diff --git a/day10.rb b/day10.rb
new file mode 100644
index 0000000..5286f95
--- /dev/null
+++ b/day10.rb
@@ -0,0 +1,28 @@
+b = {}
+a = {}
+
+File.readlines("day10").each { |l|
+  v = l.split
+  case v[0]
+  when "bot"
+    b[v[1].to_i] = [v[6].to_i + ((v[5] == "bot") ? 0 : 1000), v[11].to_i]
+  when "value"
+    (a[v[5].to_i] ||= []) << v[1].to_i
+  end
+}
+
+loop {
+  n, x = a.find { |nn, xx| xx.size == 2 }
+
+  break unless n
+
+  lo, hi = x.sort
+  p n  if [lo,hi] == [17,61]
+
+  (a[b[n][0]] ||= []) << lo
+  (a[b[n][1]] ||= []) << hi
+  
+  a.delete(n)
+}
+
+p a.values_at(1000,1001,1002).flatten.inject(:*)