Day 02 2023

2023/examples/day02-1.txt

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+Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
+Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue
+Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red
+Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red
+Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green

2023/examples/day02-2.txt

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+Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
+Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue
+Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red
+Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red
+Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green

2023/inputs/day02.txt

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+Game 1: 18 red, 8 green, 7 blue; 15 red, 4 blue, 1 green; 2 green, 17 red, 6 blue; 5 green, 1 blue, 11 red; 18 red, 1 green, 14 blue; 8 blue
+Game 2: 16 blue, 12 green, 3 red; 13 blue, 2 red, 8 green; 15 green, 3 red, 16 blue
+Game 3: 6 green, 15 red; 1 green, 4 red, 7 blue; 9 blue, 7 red, 8 green
+Game 4: 8 red, 2 blue; 11 red, 5 blue, 1 green; 12 red, 1 green, 5 blue; 1 blue; 2 blue, 9 red
+Game 5: 9 blue, 3 red, 12 green; 3 green, 4 red, 17 blue; 15 blue, 2 green, 5 red; 3 blue, 5 green, 6 red; 6 red, 4 blue, 7 green; 3 green, 10 blue
+Game 6: 11 red, 2 blue, 6 green; 2 blue, 9 red, 4 green; 3 blue, 12 red, 8 green; 5 red, 11 green, 4 blue; 2 blue, 9 red, 13 green; 15 red, 3 blue, 7 green
+Game 7: 2 red, 9 green, 12 blue; 14 blue, 1 green, 6 red; 7 blue, 9 green; 9 green, 8 red, 4 blue; 5 red, 3 green, 16 blue; 4 red, 8 green
+Game 8: 11 red, 12 green, 1 blue; 4 red, 7 green; 11 red, 6 green; 17 green; 15 green, 1 red
+Game 9: 1 red, 1 green, 12 blue; 3 green, 12 red, 6 blue; 14 red, 1 blue; 9 blue, 1 red, 3 green
+Game 10: 1 red, 4 blue; 3 blue, 4 green; 3 green, 3 red, 8 blue; 2 blue, 3 red; 3 green, 4 red, 3 blue
+Game 11: 8 blue, 1 red; 8 green, 1 red, 1 blue; 13 green, 9 red, 6 blue
+Game 12: 2 red, 2 blue, 1 green; 3 red, 1 green; 1 blue, 3 green
+Game 13: 12 green, 4 blue; 2 red, 2 blue, 8 green; 6 green, 3 red; 3 red, 5 green; 9 green, 7 blue, 1 red
+Game 14: 1 red, 7 green; 5 green, 12 red, 10 blue; 9 red, 11 blue, 7 green; 7 blue, 3 red, 9 green
+Game 15: 7 green, 1 blue; 1 red, 2 green, 1 blue; 7 green
+Game 16: 1 green, 1 blue; 2 blue, 4 green, 2 red; 2 green, 2 blue
+Game 17: 6 red, 11 green, 7 blue; 1 blue, 13 green, 4 red; 4 green, 6 blue, 7 red
+Game 18: 2 red, 8 blue; 7 red, 11 blue; 1 green, 16 blue, 7 red; 18 blue, 1 green, 14 red
+Game 19: 2 red, 2 blue; 1 green, 6 red; 1 green, 3 red, 2 blue
+Game 20: 6 red, 2 blue, 5 green; 4 red, 1 blue, 9 green; 3 blue, 2 red, 9 green; 8 red, 12 green, 5 blue
+Game 21: 6 red, 7 blue; 3 blue, 16 red, 2 green; 2 blue, 13 red; 3 blue, 11 red, 3 green; 1 green, 18 red, 6 blue; 12 red, 5 blue, 2 green
+Game 22: 9 red, 6 blue, 14 green; 1 blue, 5 green, 13 red; 6 red; 18 red, 4 green; 2 blue, 10 green, 16 red; 1 red, 18 green, 1 blue
+Game 23: 6 green, 4 red, 3 blue; 1 blue, 2 red, 9 green; 5 green, 1 red, 3 blue; 5 blue, 4 red, 4 green
+Game 24: 1 red, 5 green, 2 blue; 4 red, 7 green, 9 blue; 9 blue, 7 green; 7 green, 13 blue; 4 blue, 1 green, 4 red
+Game 25: 13 blue, 10 red, 11 green; 10 green, 1 blue, 3 red; 15 red, 5 green, 8 blue; 19 red, 10 green, 13 blue; 12 blue, 4 green, 16 red; 7 red, 5 green, 9 blue
+Game 26: 20 red, 6 blue, 12 green; 15 blue, 17 red, 9 green; 19 red, 6 green, 3 blue; 8 green, 1 red, 15 blue; 10 green, 8 red, 5 blue; 4 green, 20 red, 18 blue
+Game 27: 2 blue, 3 green, 7 red; 2 blue, 4 red; 5 blue, 5 green; 8 blue, 6 green, 2 red
+Game 28: 1 green, 6 red; 3 red, 3 blue; 1 green, 4 red; 1 red, 2 blue; 2 red
+Game 29: 8 blue, 1 green; 7 blue, 1 red; 6 red, 2 blue; 2 red, 3 green; 3 red, 6 green, 5 blue
+Game 30: 11 blue, 17 green, 10 red; 9 blue, 12 green, 14 red; 16 green, 2 red, 8 blue; 18 green, 1 red, 1 blue; 5 blue, 7 red, 18 green; 9 green, 3 blue, 11 red
+Game 31: 5 blue, 13 green; 2 green, 3 red, 4 blue; 3 red, 15 green, 2 blue; 5 blue, 19 green; 5 blue, 18 green; 3 green, 7 blue, 3 red
+Game 32: 12 red, 2 green, 3 blue; 2 green, 16 red, 1 blue; 13 red, 4 green, 6 blue
+Game 33: 18 green, 8 blue, 3 red; 15 green, 2 blue, 4 red; 14 blue, 3 red, 6 green; 20 green, 13 blue; 1 red, 19 green
+Game 34: 1 green, 7 blue, 2 red; 8 green, 10 blue, 2 red; 3 blue, 1 green, 1 red; 6 green, 13 blue, 1 red; 1 green, 4 blue, 2 red; 1 red, 5 green, 7 blue
+Game 35: 7 blue, 8 red; 2 blue, 3 red; 4 blue, 3 red; 7 red, 4 blue; 1 blue, 1 green, 3 red
+Game 36: 1 red, 8 green; 1 red, 6 green; 3 green, 8 red; 1 blue, 2 red, 1 green
+Game 37: 3 blue, 13 red; 2 blue, 7 red; 5 red, 1 green; 3 red, 3 blue; 1 blue, 12 red, 1 green; 14 red, 3 blue
+Game 38: 7 blue, 18 red, 12 green; 11 red, 6 green, 1 blue; 9 green, 1 red; 9 green, 13 blue, 16 red
+Game 39: 12 red, 3 green, 2 blue; 3 blue, 3 green, 10 red; 2 blue, 5 red; 2 blue, 1 green; 5 blue, 4 green, 7 red; 2 green, 1 red
+Game 40: 1 red, 7 blue, 5 green; 1 red, 4 blue, 8 green; 3 red, 5 blue, 14 green; 10 green, 2 blue, 1 red; 11 blue, 7 green, 1 red; 14 green, 2 blue
+Game 41: 8 green, 5 red, 3 blue; 5 red, 4 blue, 12 green; 10 green, 6 blue; 13 green, 7 blue; 1 red, 2 green, 15 blue
+Game 42: 17 red, 1 blue, 5 green; 9 green, 16 red; 1 blue, 15 green, 2 red; 1 blue, 12 red, 12 green
+Game 43: 12 green, 5 blue; 3 red, 8 blue, 10 green; 8 blue, 2 green, 1 red
+Game 44: 1 green, 7 red, 2 blue; 1 blue, 10 red; 4 green, 3 blue, 19 red; 1 blue, 3 green, 1 red; 1 blue; 4 red, 2 green, 3 blue
+Game 45: 16 red, 12 blue, 1 green; 13 blue, 16 red, 9 green; 7 green, 3 red, 8 blue
+Game 46: 1 red, 17 green, 6 blue; 6 blue, 1 red, 3 green; 12 green, 1 blue; 4 blue, 2 green
+Game 47: 2 green, 12 red, 15 blue; 9 blue, 2 green, 2 red; 3 green, 6 blue, 2 red; 11 blue, 3 green, 5 red; 6 green, 9 red, 17 blue
+Game 48: 5 blue, 6 red; 7 green, 14 red, 4 blue; 2 green, 5 blue, 2 red; 11 blue, 5 red, 5 green
+Game 49: 7 green, 7 blue, 4 red; 11 green, 12 blue, 2 red; 12 blue, 4 red, 9 green; 3 red, 8 blue, 17 green; 16 green, 3 red, 14 blue
+Game 50: 5 green, 4 red, 10 blue; 7 green, 14 red, 5 blue; 12 red, 18 blue, 14 green
+Game 51: 12 green, 3 blue; 10 green, 4 blue, 2 red; 3 green, 5 blue
+Game 52: 12 green, 6 red, 7 blue; 20 green, 6 red, 18 blue; 1 green, 5 blue, 11 red; 2 green, 15 blue, 6 red
+Game 53: 6 red, 2 green, 5 blue; 13 green, 1 blue, 14 red; 7 green, 1 blue; 3 green, 4 blue, 6 red; 10 red, 6 green, 4 blue
+Game 54: 4 blue, 1 red; 1 red, 1 blue, 9 green; 3 red, 2 blue, 4 green; 3 green, 2 red, 5 blue; 9 blue, 2 red, 7 green
+Game 55: 7 blue; 6 blue, 1 red; 4 red, 7 blue; 3 red, 3 blue, 1 green
+Game 56: 2 green, 7 blue; 3 red, 10 blue; 1 green, 2 red; 3 red, 8 blue, 4 green; 1 green, 11 blue, 3 red; 2 green, 8 blue
+Game 57: 3 red, 1 green; 1 green, 1 red, 1 blue; 1 red, 4 green, 15 blue; 9 blue, 2 red, 1 green
+Game 58: 12 blue, 13 red, 5 green; 2 blue, 6 green; 12 red, 15 green, 7 blue; 5 red, 4 green, 14 blue; 15 red, 2 green, 9 blue
+Game 59: 5 green, 5 blue; 4 red, 6 blue, 2 green; 5 blue, 3 green, 6 red; 3 red, 6 green, 4 blue; 3 blue, 7 green, 10 red
+Game 60: 1 red, 1 blue, 3 green; 1 red; 3 green, 6 blue; 6 blue
+Game 61: 7 green, 1 red, 1 blue; 4 red, 3 green, 1 blue; 7 blue, 7 green; 11 blue, 2 green, 5 red; 5 red, 4 green, 5 blue
+Game 62: 17 green, 2 red, 3 blue; 1 red, 3 blue, 2 green; 1 green, 3 blue, 2 red; 1 red, 17 green; 2 red, 15 green, 4 blue; 5 green
+Game 63: 2 green, 4 red, 3 blue; 9 blue, 10 red; 1 green, 13 blue, 2 red; 2 green, 1 blue, 5 red
+Game 64: 6 red, 8 blue; 3 red, 6 blue, 5 green; 13 red, 11 blue, 8 green; 11 red, 3 blue, 1 green
+Game 65: 4 green, 1 blue, 2 red; 3 blue, 3 green, 11 red; 6 green, 3 blue, 3 red; 5 red, 4 blue; 8 red, 5 blue, 2 green
+Game 66: 10 green, 13 red; 1 blue, 2 red, 4 green; 7 red, 7 green; 19 green, 9 red, 1 blue; 16 green, 16 red, 2 blue; 10 red, 11 green
+Game 67: 3 blue, 4 green, 2 red; 6 blue, 19 red; 4 blue, 2 red, 5 green; 4 green, 5 blue, 1 red
+Game 68: 13 blue, 15 red, 7 green; 5 blue, 20 red; 6 green, 12 blue, 8 red; 5 blue, 8 green
+Game 69: 13 red, 13 green; 13 green, 3 red, 1 blue; 8 green; 9 green, 9 red
+Game 70: 8 blue, 11 red, 2 green; 12 red, 2 blue; 13 red, 6 blue, 3 green; 7 blue, 3 green, 5 red; 15 red, 1 blue, 3 green
+Game 71: 7 red, 9 green; 4 blue, 9 green, 7 red; 4 blue, 2 green; 6 blue, 2 red, 9 green
+Game 72: 14 blue, 1 green; 4 red, 1 green, 9 blue; 6 blue, 8 red, 2 green
+Game 73: 17 green; 10 blue, 2 red, 9 green; 1 green, 10 blue, 2 red; 8 blue, 1 red; 5 blue, 16 green
+Game 74: 12 green, 6 red, 5 blue; 2 red, 4 blue, 10 green; 3 green, 4 blue, 2 red; 8 green, 2 red, 5 blue; 5 red, 2 blue, 2 green; 6 green, 1 red, 1 blue
+Game 75: 4 blue, 19 green; 15 blue, 7 green; 18 blue, 5 green, 7 red; 16 green, 15 blue; 7 red, 4 green, 13 blue; 9 green, 13 blue
+Game 76: 1 red, 2 green, 7 blue; 13 blue, 7 green, 1 red; 13 blue, 5 red
+Game 77: 3 red, 10 blue, 6 green; 1 green, 2 red, 10 blue; 7 green, 1 red
+Game 78: 11 green, 2 blue; 6 blue, 8 red, 5 green; 10 red, 6 green, 4 blue; 6 blue, 3 green, 10 red; 5 green, 6 red
+Game 79: 4 red, 6 blue, 1 green; 1 red; 2 green, 3 blue, 4 red; 4 red, 1 green, 2 blue; 2 green, 1 red
+Game 80: 2 red, 1 green; 1 red, 1 green; 7 red, 1 green; 1 blue, 7 red, 3 green
+Game 81: 1 blue, 15 red, 4 green; 2 green, 12 red; 4 green, 13 red; 1 blue, 3 green, 13 red; 12 red, 2 green, 1 blue; 3 green, 8 red, 1 blue
+Game 82: 18 red, 4 green, 1 blue; 14 red, 1 green, 2 blue; 10 red, 2 blue, 7 green; 13 red; 3 red, 7 green, 1 blue; 5 red, 4 green
+Game 83: 4 red, 10 green, 5 blue; 2 red, 12 blue, 13 green; 19 blue, 9 green, 1 red; 2 red, 14 blue, 3 green; 13 green, 8 blue, 5 red
+Game 84: 12 blue, 7 red, 9 green; 1 blue, 1 green, 14 red; 1 green, 8 red, 11 blue; 11 blue, 12 red, 3 green; 11 blue, 8 green, 13 red; 7 green, 7 red, 10 blue
+Game 85: 10 red, 2 blue; 11 green, 9 red, 4 blue; 3 red, 5 blue, 13 green; 5 red, 5 green; 5 red, 2 blue, 4 green; 11 green, 4 blue, 19 red
+Game 86: 1 blue, 6 green, 2 red; 1 red, 1 blue, 8 green; 3 red, 1 blue, 4 green; 1 green, 4 red; 9 green, 2 red; 6 green, 7 red, 1 blue
+Game 87: 8 green, 8 blue, 4 red; 5 red, 2 blue, 10 green; 3 red, 13 green; 1 red, 3 blue, 4 green
+Game 88: 3 blue, 9 green, 3 red; 2 blue, 15 green; 2 red, 9 green
+Game 89: 9 red, 6 green, 15 blue; 10 blue, 7 red, 2 green; 7 green, 16 blue, 4 red
+Game 90: 1 red, 1 blue, 7 green; 7 green, 1 blue, 8 red; 3 red, 1 blue, 1 green
+Game 91: 1 green, 2 red, 6 blue; 4 green, 4 red, 3 blue; 4 red, 11 green, 4 blue; 3 blue, 5 red; 8 green, 2 red, 8 blue
+Game 92: 2 red, 3 blue; 3 blue, 2 green, 2 red; 9 red, 3 green
+Game 93: 2 blue, 5 green; 2 green, 5 blue, 3 red; 2 green, 5 blue, 1 red; 7 blue, 4 red, 9 green
+Game 94: 1 red, 9 blue, 14 green; 6 green; 2 blue, 11 green; 4 blue, 16 green, 1 red
+Game 95: 10 green, 2 blue, 7 red; 4 blue, 4 red, 6 green; 3 red, 2 blue, 3 green
+Game 96: 12 red; 3 green, 10 red; 6 blue, 14 red, 2 green; 7 green, 15 red; 3 green, 3 red, 1 blue; 5 blue, 1 red
+Game 97: 3 red, 1 green, 1 blue; 1 green, 3 red; 4 red, 1 green
+Game 98: 4 red, 5 green, 6 blue; 2 red, 9 green, 6 blue; 2 blue, 11 red, 14 green; 6 green, 4 blue; 11 blue, 11 red, 8 green
+Game 99: 2 green, 20 blue; 12 blue; 3 red, 12 blue; 7 blue; 3 green, 10 blue, 2 red; 3 red, 2 green
+Game 100: 2 blue, 8 green, 12 red; 2 green, 13 red; 2 red, 4 green; 2 green, 7 red; 10 green, 5 red, 1 blue

2023/solutions/day02.py

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+import math
+
+
+def parse(input):
+    games = []
+    for line in input.strip().split("\n"):
+        game_description, colors = line.split(":")
+        game_number = int(game_description.split(" ")[1])
+        draws = []
+        for draw in colors.split(";"):
+            colors = {}
+            for balls in draw.strip().split(","):
+                b = balls.strip().split(" ")
+                number = int(b[0])
+                color = b[1]
+                colors[color] = number
+            draws.append(colors)
+        games.append((game_number, draws))
+    return games
+
+
+def solution_1(input):
+    target = {"red": 12, "green": 13, "blue": 14}
+    games = parse(input)
+    count = 0
+    for gid, game in games:
+        game_worked = True
+        for s in game:
+            matched = {k: (s[k], target[k]) for k in s}
+            if not all([v[0] <= v[1] for v in matched.values()]):
+                game_worked = False
+                break
+        if game_worked:
+            count += gid
+    return count
+
+
+def solution_2(input):
+    games = parse(input)
+    total = 0
+    for gid, game in games:
+        minimum = dict(game[0])
+        for s in game[1:]:
+            for k in s:
+                if k not in minimum:
+                    minimum[k] = s[k]
+                else:
+                    minimum[k] = max(minimum[k], s[k])
+        total += math.prod(minimum.values())
+    return total
+
+
+def example_1(input):
+    return solution_1(input)
+
+
+def part_1(input):
+    return solution_1(input)
+
+
+def example_2(input):
+    return solution_2(input)
+
+
+def part_2(input):
+    return solution_2(input)

2023/solutions/main.py

@@ -1,10 +1,17 @@
 from config import INPUTS_DIR, EXAMPLES_DIR
 from pathlib import Path
 import importlib
+import argparse
 
 
 def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--day", type=int, help="Day to run")
+    args = parser.parse_args()
+
     days = sorted([p.stem for p in Path(__file__).parent.glob("day*.py")])
+    if args.day:
+        days = [f"day{args.day:02d}"]
 
     for didx, day in enumerate(days):
         module = importlib.import_module(day)