Day 02

day02/part2.py

@@ -0,0 +1,17 @@
+#!/usr/bin/env python3
+import re
+
+lines = (x.strip() for x in open("input.txt"))
+
+REG_GAME = re.compile("Game (\d+): (.*)$")
+total = 0
+
+for line in lines:
+    game, content = REG_GAME.match(line).groups()
+    cubes = {"red": 0, "green": 0, "blue": 0}
+    for cube in (y for x in content.split("; ") for y in x.split(", ")):
+        [n, color] = cube.split(" ")
+        cubes[color] = max(cubes[color], int(n))
+    total += cubes["red"] * cubes["green"] * cubes["blue"]
+
+print(total)