From 900692ce255a44e14a725465815feae77fe080a2 Mon Sep 17 00:00:00 2001
From: Gleb Koval <gleb@koval.net>
Date: Sat, 2 Dec 2023 15:59:13 +0000
Subject: [PATCH] day 1 and day 2 solutions

---
 day1/eg1.txt     |    4 +
 day1/eg2.txt     |    7 +
 day1/input.txt   | 1000 ++++++++++++++++++++++++++++++++++++++++++++++
 day1/solution.py |   34 ++
 day2/eg.txt      |    5 +
 day2/input.txt   |  100 +++++
 day2/solution.py |   56 +++
 7 files changed, 1206 insertions(+)
 create mode 100644 day1/eg1.txt
 create mode 100644 day1/eg2.txt
 create mode 100644 day1/input.txt
 create mode 100644 day1/solution.py
 create mode 100644 day2/eg.txt
 create mode 100644 day2/input.txt
 create mode 100644 day2/solution.py

diff --git a/day1/eg1.txt b/day1/eg1.txt
new file mode 100644
index 0000000..1ba8437
--- /dev/null
+++ b/day1/eg1.txt
@@ -0,0 +1,4 @@
+1abc2
+pqr3stu8vwx
+a1b2c3d4e5f
+treb7uchet
\ No newline at end of file
diff --git a/day1/eg2.txt b/day1/eg2.txt
new file mode 100644
index 0000000..4316a6b
--- /dev/null
+++ b/day1/eg2.txt
@@ -0,0 +1,7 @@
+two1nine
+eightwothree
+abcone2threexyz
+xtwone3four
+4nineeightseven2
+zoneight234
+7pqrstsixteen
\ No newline at end of file
diff --git a/day1/input.txt b/day1/input.txt
new file mode 100644
index 0000000..8cfe38a
--- /dev/null
+++ b/day1/input.txt
@@ -0,0 +1,1000 @@
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\ No newline at end of file
diff --git a/day1/solution.py b/day1/solution.py
new file mode 100644
index 0000000..245a326
--- /dev/null
+++ b/day1/solution.py
@@ -0,0 +1,34 @@
+#!/usr/bin/env python3.12
+from typing import Iterable
+
+def first_digit(s: str):
+    for idx, c in enumerate(s):
+        if "0" <= c <= "9":
+            return idx, int(c)
+
+def first_word(s: str, words: list[str]):
+    indexes = [(s.find(w), w) for w in words]
+    try:
+        midx = min([idx for idx in indexes if idx[0] != -1])
+        return midx[0], words.index(midx[1]) + 1
+    except ValueError:
+        return None
+    
+def not_null[T](i: Iterable[T | None]):
+    return [a for a in i if a is not None]
+
+digits = ["one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
+rdigits = [d[::-1] for d in digits]
+
+if __name__ == "__main__":
+    with open("input.txt") as f:
+        lines = [l for l in f.read().split("\n") if l != ""]
+    print("Part 1:", sum([
+        first_digit(line)[1] * 10 + first_digit(line[::-1])[1]
+        for line in lines
+    ]))
+    print("Part 2:", sum([
+        min(not_null([first_digit(line), first_word(line, digits)]))[1] * 10 +
+            min(not_null([first_digit(rline := line[::-1]), first_word(rline, rdigits)]))[1]
+        for line in lines
+    ]))
\ No newline at end of file
diff --git a/day2/eg.txt b/day2/eg.txt
new file mode 100644
index 0000000..1cd7d33
--- /dev/null
+++ b/day2/eg.txt
@@ -0,0 +1,5 @@
+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
\ No newline at end of file
diff --git a/day2/input.txt b/day2/input.txt
new file mode 100644
index 0000000..41ecd2e
--- /dev/null
+++ b/day2/input.txt
@@ -0,0 +1,100 @@
+Game 1: 4 green, 7 blue; 2 blue, 4 red; 5 blue, 2 green, 2 red; 1 green, 3 red, 9 blue; 3 green, 9 blue; 7 green, 2 blue, 2 red
+Game 2: 1 blue, 2 red; 1 green, 2 blue, 1 red; 1 red, 5 green; 3 red, 2 blue, 8 green; 3 blue, 2 red, 4 green; 2 blue, 4 green, 3 red
+Game 3: 7 red, 7 blue, 9 green; 15 green, 4 red, 8 blue; 3 green, 12 blue, 6 red
+Game 4: 4 blue, 11 green, 6 red; 4 green, 2 red; 12 red, 1 blue, 3 green
+Game 5: 10 green, 4 blue, 9 red; 3 green, 15 blue, 11 red; 15 blue, 1 green, 2 red; 8 red, 8 blue, 5 green
+Game 6: 5 green, 19 red; 6 green, 13 red, 2 blue; 2 blue, 16 red, 4 green; 13 red, 9 blue, 5 green
+Game 7: 1 blue, 6 red, 6 green; 7 blue, 4 red; 6 green, 1 red, 11 blue; 3 green, 4 blue, 4 red; 6 green, 13 blue, 11 red
+Game 8: 8 green, 2 blue; 20 green, 1 red; 1 blue, 6 red, 6 green; 9 green
+Game 9: 5 red; 4 green, 3 red, 1 blue; 1 blue; 6 red, 1 blue, 9 green
+Game 10: 2 green, 3 red; 18 blue, 20 green, 9 red; 7 red, 9 blue, 17 green
+Game 11: 15 green, 7 blue, 9 red; 7 blue, 10 green, 7 red; 5 red, 3 blue, 10 green; 5 blue, 12 green; 14 green, 8 blue, 5 red; 7 blue, 2 red, 5 green
+Game 12: 3 green, 1 red, 8 blue; 9 blue, 3 red, 3 green; 4 blue, 1 green; 2 red, 3 green, 1 blue; 4 red, 7 blue, 3 green
+Game 13: 14 green, 1 red; 4 green; 2 green, 1 blue; 14 green; 13 green, 1 red, 1 blue; 1 blue, 1 red, 5 green
+Game 14: 1 blue, 6 red, 13 green; 5 red, 10 blue, 3 green; 19 green, 1 red, 14 blue; 4 red, 17 green, 9 blue; 12 green, 10 blue, 7 red
+Game 15: 10 red, 2 blue, 18 green; 17 green, 3 blue, 7 red; 18 blue, 8 red, 12 green; 6 blue, 6 green, 12 red
+Game 16: 14 blue, 5 green, 12 red; 7 green, 3 red, 9 blue; 4 green, 1 red, 8 blue; 9 red, 19 green, 12 blue; 12 blue, 7 red, 6 green; 5 blue, 3 green, 6 red
+Game 17: 1 green, 1 blue, 15 red; 1 blue, 3 green, 12 red; 9 blue, 2 green, 10 red
+Game 18: 12 red, 7 green, 7 blue; 3 blue, 8 red, 1 green; 2 green, 17 red
+Game 19: 1 red, 7 blue, 17 green; 11 red, 15 blue; 11 blue, 18 green; 6 blue, 14 green, 14 red; 16 blue, 8 red, 8 green; 17 green, 9 red, 1 blue
+Game 20: 11 green; 1 blue, 4 green, 7 red; 7 green; 3 red, 1 blue, 6 green
+Game 21: 18 blue, 6 green, 10 red; 12 blue; 9 blue, 2 green, 9 red; 9 red, 20 blue, 1 green; 8 blue, 6 red; 19 blue, 1 green, 4 red
+Game 22: 4 blue, 16 red, 3 green; 7 blue, 3 green, 12 red; 10 red, 7 green, 10 blue; 7 red, 11 blue, 4 green; 3 blue, 1 green, 16 red
+Game 23: 5 green, 8 red, 1 blue; 2 red, 5 blue, 3 green; 2 green, 17 blue, 4 red; 2 blue, 2 red; 7 red, 1 green, 14 blue; 4 red, 8 blue
+Game 24: 1 blue, 3 green, 1 red; 3 blue, 11 green, 15 red; 3 blue, 2 red, 12 green; 9 green, 6 red, 2 blue; 15 green, 12 red, 3 blue; 13 green, 1 blue, 13 red
+Game 25: 6 blue, 5 red, 10 green; 9 red, 3 blue, 3 green; 6 blue, 11 red, 15 green; 7 green, 10 red, 4 blue; 2 red, 20 blue, 11 green
+Game 26: 3 blue, 5 red, 10 green; 7 green, 6 red; 7 green, 1 red, 3 blue; 10 green, 4 red, 3 blue; 4 red, 7 green, 3 blue; 8 green, 4 red
+Game 27: 16 green, 6 blue, 4 red; 3 red, 6 blue, 7 green; 10 green; 6 green, 1 red
+Game 28: 5 green, 5 red, 2 blue; 1 blue, 9 red, 6 green; 2 blue, 3 red; 1 blue, 1 green, 5 red; 4 green, 3 red; 9 green, 1 blue, 14 red
+Game 29: 1 red, 2 green, 13 blue; 1 green, 2 red, 9 blue; 12 red; 3 blue, 5 red
+Game 30: 8 blue, 3 red, 9 green; 10 green, 9 blue; 9 green, 12 blue; 3 blue, 2 red, 4 green; 8 blue, 9 green; 1 red, 12 blue, 6 green
+Game 31: 8 red, 16 blue; 2 red, 1 green, 1 blue; 5 red, 8 blue, 1 green
+Game 32: 3 green, 5 blue, 8 red; 10 blue, 1 red, 3 green; 9 green, 3 blue, 2 red; 2 blue, 1 red, 14 green; 3 blue, 10 red, 16 green
+Game 33: 1 red, 3 green, 2 blue; 15 blue, 1 green; 1 green, 1 red, 10 blue
+Game 34: 4 green, 7 blue; 2 blue, 12 green; 6 red, 14 green, 7 blue
+Game 35: 9 blue, 1 green; 2 green, 6 blue, 11 red; 1 green, 10 red, 1 blue
+Game 36: 5 blue, 1 green, 2 red; 11 blue, 3 green, 5 red; 2 green, 14 blue, 2 red; 3 green, 5 blue, 5 red; 13 blue, 2 green, 5 red; 3 green
+Game 37: 4 blue, 2 red, 8 green; 1 blue, 9 green, 4 red; 1 red, 4 green, 1 blue; 16 green, 3 blue, 4 red
+Game 38: 9 blue, 9 green; 1 green, 3 blue; 8 blue, 6 red, 5 green; 1 green, 9 red, 1 blue
+Game 39: 1 red, 17 green; 1 blue, 7 green, 7 red; 6 red, 4 blue
+Game 40: 1 blue, 2 red; 10 blue, 4 green, 2 red; 1 green, 11 blue, 3 red; 4 blue, 2 green; 3 blue, 4 red
+Game 41: 7 red, 4 blue, 4 green; 10 red, 11 blue, 1 green; 6 red, 6 blue, 4 green; 13 blue, 3 red, 7 green; 9 green, 12 blue, 14 red; 9 blue, 12 red, 10 green
+Game 42: 3 blue, 1 red, 11 green; 4 blue, 9 green, 8 red; 3 red, 5 blue, 1 green
+Game 43: 2 green, 17 blue, 9 red; 16 red, 12 blue, 2 green; 12 red, 12 blue, 7 green; 17 red, 16 blue, 7 green
+Game 44: 2 red, 3 green, 5 blue; 5 red, 5 blue, 7 green; 2 red, 5 blue, 5 green; 6 red, 5 blue, 2 green
+Game 45: 9 green, 1 blue; 1 red, 5 green, 2 blue; 2 blue, 4 green, 9 red; 13 green, 7 red, 1 blue; 3 blue, 4 green
+Game 46: 5 green, 7 red; 8 green, 5 blue, 1 red; 1 blue, 7 red, 17 green
+Game 47: 1 green, 17 blue; 9 blue, 1 green; 1 blue, 1 red
+Game 48: 1 red, 6 green, 7 blue; 9 green, 1 red, 2 blue; 10 blue, 6 green, 1 red; 1 red, 4 green, 9 blue; 6 blue, 3 green, 1 red
+Game 49: 1 red, 1 blue, 16 green; 3 red, 1 green; 16 green; 2 blue, 8 red, 19 green; 20 green, 9 red; 8 green, 6 red
+Game 50: 1 green, 2 blue; 2 red, 3 blue; 4 red, 2 blue; 1 green; 3 blue; 3 blue, 2 green, 1 red
+Game 51: 6 blue, 5 green; 6 red, 5 green; 6 green, 6 blue, 16 red; 10 red, 10 green, 1 blue
+Game 52: 4 red, 5 green, 1 blue; 15 green, 1 blue; 8 green, 5 blue, 5 red; 4 blue, 11 green, 1 red
+Game 53: 5 green, 3 blue, 5 red; 2 red, 4 blue, 1 green; 1 red, 2 green; 11 red
+Game 54: 7 green, 16 blue, 5 red; 5 green; 10 blue, 6 green, 5 red; 3 green
+Game 55: 3 green; 16 green, 1 blue; 13 green, 19 blue, 1 red; 13 green, 18 blue
+Game 56: 9 green; 3 blue, 1 red, 10 green; 1 red, 4 blue, 9 green
+Game 57: 14 blue, 2 red, 3 green; 1 red, 8 blue, 7 green; 1 green, 3 red, 15 blue; 5 green, 12 blue; 4 green, 15 blue
+Game 58: 9 red, 5 green; 10 green, 11 red, 1 blue; 12 green, 17 red, 1 blue; 1 blue, 1 green, 17 red; 14 red, 1 blue, 16 green
+Game 59: 2 red, 12 blue, 10 green; 6 green, 1 red, 14 blue; 14 blue, 9 green, 2 red; 12 green, 14 blue, 2 red
+Game 60: 5 blue, 8 green; 1 red, 6 green, 7 blue; 1 blue
+Game 61: 5 red, 2 blue, 5 green; 2 blue, 11 green; 1 blue, 2 red, 14 green; 3 green; 4 red, 13 green; 2 blue, 6 green, 1 red
+Game 62: 1 red, 1 blue, 2 green; 3 red, 1 blue, 2 green; 1 blue, 10 red; 6 red, 1 blue
+Game 63: 7 red, 6 blue, 4 green; 2 blue, 5 green, 8 red; 5 blue, 4 green, 10 red; 4 blue, 7 red, 10 green; 5 blue, 10 green, 8 red; 4 blue, 10 green, 3 red
+Game 64: 6 red, 7 green, 15 blue; 8 blue, 16 green, 3 red; 11 green, 12 blue; 4 red, 17 blue, 8 green
+Game 65: 2 blue, 7 green; 2 red, 8 blue; 2 green, 1 red, 5 blue; 1 green, 2 blue; 19 green, 7 blue; 2 red, 3 blue, 14 green
+Game 66: 15 green, 7 blue; 9 blue, 3 green, 16 red; 1 red, 1 blue, 16 green; 18 red, 8 blue, 11 green
+Game 67: 1 blue, 1 green, 2 red; 5 green, 8 red, 2 blue; 7 red, 1 blue
+Game 68: 3 blue, 10 red; 13 red, 1 green; 5 blue, 5 red; 2 blue, 1 green, 16 red; 16 red, 3 blue
+Game 69: 7 red, 1 blue, 3 green; 14 green, 2 blue; 3 green, 2 blue; 4 red, 1 green, 1 blue; 10 red, 14 green, 2 blue
+Game 70: 10 green, 12 red; 5 red, 7 green; 1 blue, 6 red, 11 green
+Game 71: 16 green, 13 red, 10 blue; 7 red, 7 blue, 15 green; 17 green, 13 red, 1 blue; 5 blue, 8 green, 11 red; 7 red, 1 blue, 15 green; 15 green, 4 blue, 2 red
+Game 72: 3 blue, 3 red; 2 blue, 3 red, 1 green; 1 red, 1 blue, 3 green; 1 green, 2 blue, 3 red; 3 blue, 1 green, 1 red; 1 blue, 4 red
+Game 73: 10 blue, 11 red, 5 green; 6 green, 9 blue, 4 red; 10 red, 5 green, 9 blue
+Game 74: 6 green, 17 blue; 1 red, 1 blue, 11 green; 2 blue, 1 red, 3 green
+Game 75: 11 red, 11 green, 3 blue; 11 red, 1 blue, 6 green; 4 green, 3 blue, 8 red
+Game 76: 3 green, 3 blue, 12 red; 3 blue, 15 green, 3 red; 4 red, 15 green, 2 blue
+Game 77: 13 blue, 11 red, 1 green; 3 red, 12 green, 12 blue; 7 red, 15 green, 4 blue; 5 red, 2 green, 3 blue
+Game 78: 4 red, 8 blue, 2 green; 7 blue, 3 green, 7 red; 3 green, 13 blue; 3 red, 4 green
+Game 79: 7 blue, 13 red, 8 green; 7 green, 15 red, 9 blue; 2 green, 8 red, 10 blue; 13 blue, 20 red, 7 green; 11 red, 2 green, 14 blue
+Game 80: 12 red; 2 blue, 15 red, 3 green; 1 blue, 1 green, 2 red; 1 green; 1 green, 3 blue, 13 red; 1 green, 2 blue, 1 red
+Game 81: 11 blue; 6 blue, 8 green, 4 red; 7 blue, 1 red, 1 green
+Game 82: 9 blue, 1 red; 3 blue, 1 red, 3 green; 8 blue, 8 green, 2 red; 5 blue
+Game 83: 7 blue, 13 red; 4 blue, 2 green, 3 red; 15 blue, 9 red, 1 green; 14 red, 1 green, 12 blue
+Game 84: 8 blue, 1 green, 20 red; 9 green, 20 red, 18 blue; 16 red, 15 blue, 5 green; 15 red, 10 green, 16 blue; 11 green, 14 red, 12 blue
+Game 85: 1 red, 2 blue, 9 green; 13 green, 3 blue, 5 red; 1 green, 1 red, 3 blue; 8 green, 2 blue, 1 red
+Game 86: 10 red, 6 blue, 11 green; 1 red, 11 green; 7 blue, 6 red, 11 green
+Game 87: 14 red, 4 blue, 4 green; 14 red, 4 blue, 7 green; 12 red, 11 green, 5 blue; 5 blue, 12 red
+Game 88: 3 green, 4 blue, 11 red; 3 green, 4 blue, 3 red; 10 red, 3 green; 3 blue, 2 red, 2 green
+Game 89: 4 blue, 2 red, 3 green; 3 green, 7 red, 13 blue; 1 green, 6 blue
+Game 90: 7 red; 5 blue, 11 red, 8 green; 8 red, 3 green, 2 blue
+Game 91: 2 blue; 4 red; 2 blue, 4 green; 3 green, 1 blue, 1 red
+Game 92: 7 blue, 10 green; 9 green, 9 blue, 7 red; 6 green; 12 red, 1 blue, 4 green; 5 red, 1 green, 13 blue
+Game 93: 7 green, 6 red, 1 blue; 3 red, 6 green, 8 blue; 1 blue, 6 green; 6 red, 15 blue, 4 green; 10 blue, 2 green, 6 red; 3 green, 5 red, 6 blue
+Game 94: 5 red, 1 green, 15 blue; 1 blue, 6 red; 2 red, 6 blue, 2 green
+Game 95: 9 blue, 4 red, 17 green; 15 green, 9 red, 10 blue; 1 blue, 13 green, 12 red
+Game 96: 1 blue, 12 green, 1 red; 3 blue, 1 green, 5 red; 2 blue, 8 red, 10 green
+Game 97: 18 blue, 7 red, 11 green; 6 red, 3 blue, 14 green; 1 red, 13 blue, 4 green
+Game 98: 5 blue, 2 green, 8 red; 12 red; 13 red, 4 blue, 4 green; 7 red, 11 blue; 10 blue, 2 green, 2 red; 6 red, 12 blue
+Game 99: 4 green, 2 blue, 4 red; 9 blue, 11 red, 1 green; 5 green
+Game 100: 2 blue, 12 green; 6 green, 1 red, 12 blue; 1 green, 5 blue, 1 red; 1 red, 12 green, 6 blue; 16 blue, 3 green
\ No newline at end of file
diff --git a/day2/solution.py b/day2/solution.py
new file mode 100644
index 0000000..1715190
--- /dev/null
+++ b/day2/solution.py
@@ -0,0 +1,56 @@
+from dataclasses import dataclass
+
+@dataclass
+class CubeSet:
+    red: int
+    green: int
+    blue: int
+
+    @classmethod
+    def from_str(cls, s: str):
+        data = dict([
+            (colour, int(count))
+            for colour, count in (x.strip().split(" ")[::-1] for x in s.split(","))
+        ])
+        return cls(
+            red = data.get("red", 0),
+            green = data.get("green", 0),
+            blue = data.get("blue", 0)
+        )
+
+    def power(self):
+        return self.red * self.green * self.blue
+
+
+@dataclass
+class Game:
+    no: int
+    cube_sets: list[CubeSet]
+
+    @classmethod
+    def from_str(cls, s: str):
+        game, cube_sets = [x.strip() for x in s.split(":")]
+        return cls(
+            no = int(game.split(" ")[1]),
+            cube_sets = [CubeSet.from_str(x.strip()) for x in cube_sets.split(";")]
+        )
+
+if __name__ == "__main__":
+    with open("input.txt") as f:
+        games = [Game.from_str(s) for s in f.read().split("\n")]
+    print("Part 1:", sum([
+        g.no
+        for g in games
+        if all([
+            cs.red <= 12 and cs.green <= 13 and cs.blue <= 14
+            for cs in g.cube_sets
+        ])
+    ]))
+    print("Part 2:", sum([
+        CubeSet(
+            red = max([cs.red for cs in g.cube_sets]),
+            green = max([cs.green for cs in g.cube_sets]),
+            blue = max([cs.blue for cs in g.cube_sets]),
+        ).power()
+        for g in games
+    ]))
\ No newline at end of file