.gitignore

@@ -1,2 +0,0 @@
-*.in
-*.ex*

day02.py

@@ -1,35 +0,0 @@
-import fileinput
-from functools import reduce
-
-def main():
-    part1 = 0
-    part2 = 0
-
-    for i, line in enumerate(fileinput.input()):
-        line = line.strip()
-        subsets = line.split(": ")[1].split("; ")
-
-        maxes = {}
-
-        part1_possible = True
-        for subset in subsets:
-            for balls in subset.split(", "):
-                count, color = balls.split()
-                count = int(count)
-                maxes[color] = max(maxes.get(color, 0), count)
-                part1_possible = (
-                    part1_possible
-                    and (color != "red" or count <= 12)
-                    and (color != "green" or count <= 13)
-                    and (color != "blue" or count <= 14)
-                )
-
-        if part1_possible:
-            part1 += i + 1
-
-        power = reduce(lambda x, y: x * y, maxes.values())
-        part2 += power
-
-    print(part1, part2)
-
-main()

day04.py

@@ -1,14 +1,13 @@
 import fileinput
 
-def main():
 #
 # Part 1
 #
 cards = []
 part1 = 0
-    for line in fileinput.input():
+for i, line in enumerate(fileinput.input()):
-        card = line.split(": ", 1)[1]
+    card = line.rstrip().split(": ")[1]
-        (winning, owned) = ({int(i) for i in h.split()} for h in card.split(" | ", 1))
+    (winning, owned) = ({int(i) for i in h.split()} for h in card.split(" | "))
     count = len(winning & owned)
     cards.append(count)
     part1 += 1 << count - 1 if count else 0
@@ -23,5 +22,3 @@ def main():
     part2 += dp[i]
 
 print(part1, part2)
-
-main()