feat: add day 2

2024-12-08 00:45:53 +01:00 · 2023-12-02 23:51:05 +01:00 · 2023-12-02 23:51:05 +01:00 · 0ef3abfb3f
commit 0ef3abfb3f
parent df6721b198
5 changed files with 361 additions and 16 deletions
--- a/day_2/README.md
+++ b/day_2/README.md
@ -1,7 +1,69 @@
-# - Day 2 -
+# - Day 2: Cube Conundrum -
 Source: <https://adventofcode.com/2023/day/2>
 ## Instructions - Part 1
 You're launched high into the atmosphere! The apex of your trajectory just barely reaches the surface of a large island floating in the sky. You gently land in a fluffy pile of leaves. It's quite cold, but you don't see much snow. An Elf runs over to greet you.
 The Elf explains that you've arrived at **Snow Island** and apologizes for the lack of snow. He'll be happy to explain the situation, but it's a bit of a walk, so you have some time. They don't get many visitors up here; would you like to play a game in the meantime?
 As you walk, the Elf shows you a small bag and some cubes which are either red, green, or blue. Each time you play this game, he will hide a secret number of cubes of each color in the bag, and your goal is to figure out information about the number of cubes.
 To get information, once a bag has been loaded with cubes, the Elf will reach into the bag, grab a handful of random cubes, show them to you, and then put them back in the bag. He'll do this a few times per game.
 You play several games and record the information from each game (your puzzle input). Each game is listed with its ID number (like the `11` in `Game 11: ...`) followed by a semicolon-separated list of subsets of cubes that were revealed from the bag (like `3 red, 5 green, 4 blue`).
 For example, the record of a few games might look like this:
 ```txt
 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
 ```
 In game 1, three sets of cubes are revealed from the bag (and then put back again). The first set is 3 blue cubes and 4 red cubes; the second set is 1 red cube, 2 green cubes, and 6 blue cubes; the third set is only 2 green cubes.
 The Elf would first like to know which games would have been possible if the bag contained **only 12 red cubes, 13 green cubes, and 14 blue cubes**?
 In the example above, games 1, 2, and 5 would have been **possible** if the bag had been loaded with that configuration. However, game 3 would have been **impossible** because at one point the Elf showed you 20 red cubes at once; similarly, game 4 would also have been **impossible** because the Elf showed you 15 blue cubes at once. If you add up the IDs of the games that would have been possible, you get 8.
 Determine which games would have been possible if the bag had been loaded with only 12 red cubes, 13 green cubes, and 14 blue cubes. **What is the sum of the IDs of those games?**
 To begin, [get your puzzle input](./input.txt).
 Your puzzle answer was `2617`.
 **The first half of this puzzle is complete! It provides one gold star: `*`.**
 ## Instructions - Part 2
 The Elf says they've stopped producing snow because they aren't getting any **water**! He isn't sure why the water stopped; however, he can show you how to get to the water source to check it out for yourself. It's just up ahead!
 As you continue your walk, the Elf poses a second question: in each game you played, what is the **fewest number of cubes of each color** that could have been in the bag to make the game possible?
 Again consider the example games from earlier:
 ```txt
 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
 ```
 - In game 1, the game could have been played with as few as 4 red, 2 green, and 6 blue cubes. If any color had even one fewer cube, the game would have been impossible.
 - Game 2 could have been played with a minimum of 1 red, 3 green, and 4 blue cubes.
 - Game 3 must have been played with at least 20 red, 13 green, and 6 blue cubes.
 - Game 4 required at least 14 red, 3 green, and 15 blue cubes.
 - Game 5 needed no fewer than 6 red, 3 green, and 2 blue cubes in the bag.
 The **power** of a set of cubes is equal to the numbers of red, green, and blue cubes multiplied together. The power of the minimum set of cubes in game 1 is `48`. In games 2-5 it was `12`, `1560`, `630`, and `36`, respectively. Adding up these five powers produces the sum **`2286`**.
 For each game, find the minimum set of cubes that must have been present. **What is the sum of the power of these sets?**
 Your puzzle answer was `59795`.
 **Both parts of this puzzle are complete! They provide two gold stars: `**`.**
--- a/day_2/input.txt
+++ b/day_2/input.txt
@ -0,0 +1,100 @@
 Game 1: 5 red, 1 green, 2 blue; 2 green, 8 blue, 6 red; 8 red, 3 blue, 2 green; 6 red, 1 green, 19 blue; 1 red, 17 blue
 Game 2: 4 red, 5 green, 2 blue; 7 red, 14 green, 3 blue; 2 green, 5 blue, 11 red; 10 blue, 3 green; 9 green, 6 blue, 13 red; 7 red, 5 green, 9 blue
 Game 3: 9 green, 18 blue, 1 red; 6 red, 10 blue, 5 green; 4 blue, 4 red, 15 green
 Game 4: 1 red, 13 green; 10 green, 2 red; 3 red, 4 green, 2 blue
 Game 5: 4 red, 2 green, 1 blue; 4 red, 9 blue; 4 green, 1 red, 6 blue; 3 blue, 2 green, 6 red; 5 red, 4 green, 1 blue
 Game 6: 6 red, 3 green, 6 blue; 3 green, 5 blue, 12 red; 3 green, 9 blue, 3 red; 13 red, 8 blue
 Game 7: 3 blue, 1 red; 3 blue, 10 green; 4 green, 5 blue
 Game 8: 11 green, 4 blue; 4 red, 4 blue, 11 green; 4 green, 3 blue; 1 blue, 6 red, 12 green
 Game 9: 1 blue, 4 green, 1 red; 5 green, 3 blue; 9 green, 4 blue; 3 blue, 1 red, 10 green; 6 green, 2 blue
 Game 10: 5 green, 6 red, 7 blue; 7 green, 5 blue, 5 red; 8 red, 6 blue, 8 green; 2 blue, 8 green, 6 red; 6 blue, 8 red, 4 green
 Game 11: 1 blue, 10 red, 10 green; 11 green, 2 blue, 16 red; 4 blue, 7 red, 14 green
 Game 12: 8 green, 9 red, 12 blue; 2 green, 4 blue, 7 red; 1 red, 9 blue, 7 green; 8 green, 2 red, 10 blue; 1 green, 5 red, 5 blue; 6 green, 5 red, 1 blue
 Game 13: 3 green, 1 blue, 6 red; 1 green, 10 red; 1 blue, 15 red, 2 green
 Game 14: 2 green, 6 blue; 1 green, 2 blue, 2 red; 5 blue, 1 green, 2 red; 4 green, 5 blue, 4 red; 4 red, 5 green, 4 blue; 1 red, 5 green, 6 blue
 Game 15: 12 green, 7 blue; 19 green; 11 blue, 16 green, 1 red; 1 red, 2 green, 3 blue; 8 blue, 1 red, 19 green; 14 blue, 3 green, 1 red
 Game 16: 2 green, 13 blue, 3 red; 5 red, 12 blue; 6 blue, 8 red; 4 red, 1 green, 4 blue; 1 green, 15 blue; 4 blue, 2 green, 1 red
 Game 17: 11 blue, 7 green, 2 red; 12 red, 8 green, 8 blue; 2 red, 6 blue, 6 green
 Game 18: 1 green, 2 blue; 2 green, 1 blue, 4 red; 3 green, 16 red; 2 red, 3 green
 Game 19: 11 blue, 3 green, 3 red; 11 blue, 5 green; 3 green, 3 red, 8 blue
 Game 20: 1 green, 6 blue; 4 blue, 6 green; 1 red, 10 green; 12 green; 5 blue, 1 red, 4 green; 1 green, 5 blue
 Game 21: 7 green, 3 blue; 1 red, 5 blue, 6 green; 1 red, 11 green; 8 blue, 1 red, 10 green; 1 red, 5 blue, 3 green
 Game 22: 3 red, 1 blue; 3 green, 1 red, 1 blue; 7 green, 2 blue
 Game 23: 12 green, 1 red, 2 blue; 10 blue, 1 green, 1 red; 9 blue, 8 green
 Game 24: 5 blue, 6 green, 6 red; 3 blue, 1 red; 8 blue, 2 green, 12 red; 1 green, 2 blue, 14 red; 2 blue, 5 green, 15 red
 Game 25: 6 red, 13 green; 1 blue, 1 red, 3 green; 1 blue, 12 red, 10 green
 Game 26: 16 red, 2 blue, 7 green; 1 blue, 7 green, 8 red; 1 blue, 3 red, 9 green
 Game 27: 4 blue, 15 green; 6 green, 2 blue, 1 red; 9 blue, 10 green, 4 red; 3 red, 3 green, 6 blue; 11 blue, 7 red, 11 green; 6 red, 5 green, 13 blue
 Game 28: 10 blue, 8 red, 10 green; 4 blue, 11 red, 6 green; 8 red, 9 green, 10 blue; 4 red, 9 green, 2 blue
 Game 29: 4 red, 9 green, 7 blue; 10 blue, 6 green, 4 red; 1 green, 2 red, 10 blue; 3 green, 9 blue
 Game 30: 6 blue, 9 green, 10 red; 6 blue, 4 red; 5 green, 2 blue; 5 green, 2 red, 2 blue; 6 blue, 8 green
 Game 31: 7 blue; 2 green, 6 blue; 1 red, 9 blue, 5 green
 Game 32: 8 blue, 2 red, 4 green; 6 red, 2 blue, 1 green; 14 blue, 8 green, 8 red
 Game 33: 1 green, 1 red, 1 blue; 2 blue, 1 green, 12 red; 1 green, 1 red; 1 blue, 2 red, 1 green; 7 red, 2 green, 2 blue
 Game 34: 3 blue; 2 blue; 10 red, 1 blue, 1 green; 5 red; 1 green, 1 red, 1 blue; 1 green, 2 red
 Game 35: 10 green, 1 red, 16 blue; 4 red, 10 blue, 9 green; 1 green, 7 blue, 5 red
 Game 36: 1 blue, 3 red, 16 green; 1 blue, 3 red, 1 green; 9 green, 3 red, 8 blue; 14 green, 6 blue, 3 red; 3 red, 12 green, 4 blue
 Game 37: 11 red, 3 blue; 15 red, 8 blue, 6 green; 6 green, 19 red, 11 blue; 1 green, 4 blue, 14 red; 12 blue, 5 red, 8 green; 4 blue, 9 red
 Game 38: 4 green, 10 blue, 3 red; 1 green, 1 red, 11 blue; 2 red, 12 blue
 Game 39: 3 green, 1 red, 4 blue; 9 green, 1 red, 18 blue; 4 red, 4 green, 17 blue; 4 red, 10 blue, 14 green
 Game 40: 5 red, 4 green, 8 blue; 1 green, 9 blue; 9 blue, 3 red, 6 green; 8 red, 9 blue, 9 green
 Game 41: 1 blue, 9 red, 3 green; 9 red, 10 green, 15 blue; 13 red, 8 green, 8 blue; 19 red, 6 blue, 2 green; 7 green, 5 blue, 12 red
 Game 42: 15 blue; 1 red, 1 green, 9 blue; 6 blue, 1 red; 1 green, 4 blue
 Game 43: 1 green, 8 blue, 2 red; 1 red, 1 green, 6 blue; 7 blue; 7 blue, 3 red, 1 green; 2 red, 5 blue
 Game 44: 7 green, 11 blue, 6 red; 9 green, 8 blue; 4 red, 15 green; 12 green, 14 blue, 8 red
 Game 45: 4 red, 4 green; 14 green; 4 green, 2 blue; 1 blue, 12 red, 5 green; 3 red, 6 green; 11 red, 1 green
 Game 46: 2 blue, 1 green, 1 red; 1 blue, 6 green, 1 red; 2 blue, 1 red, 1 green; 5 green
 Game 47: 1 blue, 1 red; 14 red; 3 green, 2 blue, 17 red; 4 green
 Game 48: 1 red, 11 green, 2 blue; 1 red, 11 green, 6 blue; 13 green, 1 blue, 3 red; 3 green, 4 red, 6 blue; 12 green, 5 blue, 1 red; 2 red, 4 green, 4 blue
 Game 49: 5 blue, 3 green; 2 green, 8 blue; 5 blue; 4 green, 5 blue, 1 red; 4 green, 7 blue; 1 green, 3 blue
 Game 50: 3 red, 5 green, 2 blue; 9 green, 7 red, 4 blue; 3 blue, 6 red, 13 green; 6 blue, 8 red, 9 green
 Game 51: 2 green, 11 red, 7 blue; 5 blue, 13 red; 1 green, 2 blue, 3 red; 6 blue, 8 red; 11 red, 2 green, 4 blue
 Game 52: 15 blue, 1 green, 4 red; 4 green, 10 blue, 2 red; 6 red, 18 blue, 1 green
 Game 53: 2 red, 10 green, 6 blue; 4 green, 3 blue, 3 red; 17 blue, 19 green, 5 red; 6 blue, 6 green, 9 red; 5 blue, 17 green, 7 red
 Game 54: 9 blue, 8 red, 6 green; 6 red, 8 green; 1 green, 6 blue, 1 red; 5 red, 4 green, 9 blue; 5 blue, 2 green, 5 red
 Game 55: 8 blue, 8 red, 10 green; 3 red, 4 green, 9 blue; 4 red, 3 green, 7 blue
 Game 56: 3 red, 6 green, 1 blue; 5 green, 1 blue, 1 red; 1 red, 2 green; 10 green
 Game 57: 1 green, 4 blue, 12 red; 17 red, 7 blue, 10 green; 17 red, 5 blue, 3 green
 Game 58: 1 red, 5 green, 14 blue; 5 green, 6 red, 7 blue; 4 blue, 8 green; 3 red, 9 green, 7 blue; 8 blue, 8 green, 6 red; 8 green, 7 blue, 5 red
 Game 59: 3 green, 5 red; 2 red, 13 green, 1 blue; 19 green, 1 red, 1 blue; 19 green, 1 blue; 18 green, 1 blue, 5 red; 6 red, 9 green
 Game 60: 5 red, 1 green, 6 blue; 8 red, 6 blue, 14 green; 8 green, 8 red, 3 blue; 2 blue, 5 green, 3 red; 4 blue, 1 red, 14 green
 Game 61: 7 red, 4 blue, 2 green; 2 green, 8 red, 9 blue; 5 blue, 2 green, 8 red; 8 red, 1 green, 8 blue
 Game 62: 6 red, 3 blue; 1 blue, 2 red, 2 green; 3 red, 1 blue
 Game 63: 2 red, 1 blue, 2 green; 1 blue, 1 green; 2 green, 4 red; 3 green, 2 red; 2 green
 Game 64: 5 green, 6 blue, 7 red; 2 red, 5 green, 8 blue; 7 green, 9 blue, 1 red; 4 green, 5 blue; 19 blue, 5 green, 13 red
 Game 65: 3 red, 1 blue, 4 green; 5 green, 3 blue; 9 green, 1 red, 10 blue
 Game 66: 6 red, 13 green, 2 blue; 2 blue, 5 red, 9 green; 18 red; 2 green, 1 blue, 1 red; 19 red, 10 green; 1 blue, 15 green, 13 red
 Game 67: 8 blue, 3 red; 1 red, 12 green, 7 blue; 4 red, 6 blue, 5 green; 11 green, 10 blue, 7 red; 5 red, 9 green, 14 blue
 Game 68: 1 red, 3 green; 10 blue, 1 red, 3 green; 1 green, 17 blue; 16 blue; 6 blue
 Game 69: 11 green, 5 blue, 8 red; 2 red, 5 green, 1 blue; 10 green, 2 blue; 11 green, 7 red, 4 blue
 Game 70: 2 green, 1 blue, 13 red; 16 green, 20 red, 4 blue; 10 red
 Game 71: 10 blue, 6 green, 7 red; 5 red, 5 green, 2 blue; 7 green, 4 red, 5 blue; 1 red, 8 blue; 5 red, 1 blue, 8 green; 5 blue, 1 red, 5 green
 Game 72: 2 red, 4 green; 2 green, 2 red, 1 blue; 3 blue, 3 green, 2 red; 2 green
 Game 73: 5 red, 19 blue; 12 blue, 4 green, 16 red; 14 red, 11 blue, 1 green
 Game 74: 2 red, 1 green, 9 blue; 5 blue, 1 green, 2 red; 2 green, 1 red, 13 blue; 2 green, 1 red, 3 blue
 Game 75: 7 blue, 1 red, 18 green; 17 green, 8 red, 13 blue; 15 blue, 4 red
 Game 76: 1 green, 12 red, 13 blue; 5 green, 11 blue, 12 red; 10 red, 1 green; 10 red, 2 blue; 5 red, 2 green; 2 green, 17 blue, 3 red
 Game 77: 2 blue, 1 red, 1 green; 7 red; 7 red, 3 blue, 2 green; 10 green, 1 red; 3 red, 7 blue, 6 green
 Game 78: 10 red, 2 blue, 2 green; 1 blue, 6 red, 4 green; 12 red, 8 green; 6 green, 8 red, 7 blue; 11 green, 5 blue, 6 red
 Game 79: 7 green, 5 red; 6 blue, 2 green, 15 red; 9 blue, 2 red, 12 green; 1 blue, 4 red, 10 green; 4 blue, 12 green, 11 red; 5 green, 3 red, 5 blue
 Game 80: 1 green, 13 blue, 2 red; 2 red, 1 green, 13 blue; 7 blue, 8 red
 Game 81: 1 green, 2 red, 11 blue; 5 red, 3 blue; 1 green, 1 red; 14 red, 1 green
 Game 82: 12 red, 3 blue, 8 green; 15 red, 9 blue, 8 green; 6 blue, 13 red, 8 green
 Game 83: 4 blue, 6 green, 3 red; 7 red, 2 blue, 9 green; 6 green, 3 red
 Game 84: 4 green; 3 red, 3 blue; 4 red, 1 blue, 2 green; 1 red, 5 green, 5 blue; 1 red, 5 blue, 3 green
 Game 85: 3 red, 4 blue, 15 green; 9 green; 2 red, 4 blue, 6 green; 1 red, 4 green, 7 blue; 3 red, 10 green, 9 blue; 1 red, 13 green, 3 blue
 Game 86: 8 red, 6 blue; 3 blue, 3 green, 15 red; 12 red, 6 green, 13 blue; 15 red, 6 green, 10 blue
 Game 87: 4 red, 4 blue; 6 red, 2 blue; 5 blue, 3 green; 4 blue, 2 red
 Game 88: 4 blue, 7 green; 2 blue, 7 green; 6 green, 4 blue; 1 red, 1 blue, 2 green; 11 green, 3 blue
 Game 89: 1 blue, 12 green, 11 red; 3 red, 7 blue, 1 green; 7 green, 8 red; 6 blue, 2 green, 3 red; 7 red, 8 green; 11 blue, 5 red, 12 green
 Game 90: 1 green, 12 red, 17 blue; 14 red, 17 blue, 9 green; 6 green, 9 red, 11 blue
 Game 91: 3 green, 14 blue; 2 blue, 2 green, 6 red; 1 red, 11 blue, 1 green; 3 green, 4 red, 20 blue; 6 red, 2 green, 3 blue; 10 blue, 12 red
 Game 92: 6 blue, 7 red; 2 blue, 4 red, 1 green; 4 red, 1 green, 3 blue; 2 red, 5 blue; 8 red, 6 blue; 1 green, 2 blue, 1 red
 Game 93: 4 blue, 1 green, 4 red; 8 red, 4 green, 4 blue; 2 blue, 9 red; 1 blue, 4 red; 4 blue, 2 green, 11 red
 Game 94: 5 blue, 1 green, 7 red; 1 green, 11 blue, 1 red; 1 green, 15 blue, 4 red
 Game 95: 1 red, 3 blue; 1 red, 1 green, 8 blue; 3 red, 1 green, 3 blue; 3 red, 6 blue; 6 blue
 Game 96: 4 green, 1 blue; 7 green, 3 red; 2 blue, 9 red, 16 green; 3 blue, 4 red, 11 green
 Game 97: 6 green, 8 blue; 1 blue, 1 green; 3 green, 4 blue; 8 blue, 5 green, 2 red
 Game 98: 18 blue, 6 green; 11 green, 3 blue, 7 red; 18 blue, 3 red, 7 green; 5 red, 5 green; 8 blue, 2 green, 11 red
 Game 99: 3 red, 2 green, 3 blue; 1 red, 4 green, 1 blue; 2 green, 18 red; 15 red, 1 blue; 2 blue, 9 red, 2 green; 17 red, 3 blue, 4 green
 Game 100: 9 blue, 8 red, 16 green; 3 red, 7 green, 8 blue; 1 green, 3 red, 12 blue; 3 green, 14 blue
--- a/day_2/input_example_1.txt
+++ b/day_2/input_example_1.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
--- a/day_2/src/lib.rs
+++ b/day_2/src/lib.rs
@ -0,0 +1,188 @@
 use std::str::FromStr;
 const NUMBER_OF_RED_CUBES_IN_THE_BAG: usize = 12;
 const NUMBER_OF_GREEN_CUBES_IN_THE_BAG: usize = 13;
 const NUMBER_OF_BLUE_CUBES_IN_THE_BAG: usize = 14;
 #[derive(Debug, Default, PartialEq)]
 pub struct NumberOfCubesOfEachColor {
    pub red: usize,
    pub green: usize,
    pub blue: usize,
 }
 impl FromStr for NumberOfCubesOfEachColor {
    type Err = &'static str;
    /// Parses a string `string` to return a value of [`NumberOfCubesOfEachColor`]
    ///
    /// If parsing succeeds, return the value inside [`Ok`], otherwise
    /// when the string is ill-formatted return an error specific to the
    /// inside [`Err`].
    ///
    /// # Examples
    ///
    /// ```
    /// use std::str::FromStr;
    /// use day_2::NumberOfCubesOfEachColor;
    ///
    /// let string = "3 blue, 4 red";
    /// let expected_result = NumberOfCubesOfEachColor {
    ///     red: 4,
    ///     green: 0,
    ///     blue: 3,
    /// };
    /// let actual_result = NumberOfCubesOfEachColor::from_str(string).unwrap();
    ///
    /// assert_eq!(actual_result, expected_result);
    /// ```
    fn from_str(string: &str) -> Result<Self, Self::Err> {
        let mut result = NumberOfCubesOfEachColor::default();
        let subsets = string.split(", ");
        for subset in subsets {
            let mut subset_splitted = subset.split_ascii_whitespace();
            let number: usize = subset_splitted.next().unwrap_or("0").parse().unwrap_or(0);
            let color = subset_splitted.next();
            if let Some(color) = color {
                match color {
                    "red" => result.red = number,
                    "blue" => result.blue = number,
                    "green" => result.green = number,
                    _ => {}
                }
            }
        }
        Ok(result)
    }
 }
 #[derive(Debug, Default, PartialEq)]
 pub struct Game {
    pub id: usize,
    pub subsets_of_cubes: Vec<NumberOfCubesOfEachColor>,
 }
 impl FromStr for Game {
    type Err = &'static str;
    /// Parses a string `string` to return a value of [`Game`]
    ///
    /// If parsing succeeds, return the value inside [`Ok`], otherwise
    /// when the string is ill-formatted return an error specific to the
    /// inside [`Err`].
    ///
    /// # Examples
    ///
    /// ```
    /// use std::str::FromStr;
    /// use day_2::{Game, NumberOfCubesOfEachColor};
    ///
    /// let string = "Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green";
    /// let expected_result = Game {
    ///     id: 1,
    ///     subsets_of_cubes: vec![
    ///         NumberOfCubesOfEachColor {
    ///             red: 4,
    ///             green: 0,
    ///             blue: 3,
    ///         },
    ///         NumberOfCubesOfEachColor {
    ///             red: 1,
    ///             green: 2,
    ///             blue: 6,
    ///         },
    ///         NumberOfCubesOfEachColor {
    ///             red: 0,
    ///             green: 2,
    ///             blue: 0,
    ///         },
    ///     ],
    /// };
    /// let actual_result = Game::from_str(string).unwrap();
    ///
    /// assert_eq!(actual_result, expected_result);
    /// ```
    fn from_str(string: &str) -> Result<Self, Self::Err> {
        let mut result = Game::default();
        let mut parts = string.split(": ");
        result.id = parts
            .next()
            .unwrap_or("Game 1")
            .strip_prefix("Game ")
            .unwrap_or("1")
            .parse()
            .unwrap_or(1);
        result.subsets_of_cubes = parts
            .next()
            .unwrap_or("0 red, 0 green, 0 blue")
            .split("; ")
            .map(|string| {
                NumberOfCubesOfEachColor::from_str(string)
                    .unwrap_or(NumberOfCubesOfEachColor::default())
            })
            .collect::<Vec<NumberOfCubesOfEachColor>>();
        Ok(result)
    }
 }
 pub fn part_1(input: &str) -> usize {
    input
        .lines()
        .map(|line| Game::from_str(line).unwrap_or_default())
        .filter(|game| {
            game.subsets_of_cubes
                .iter()
                .all(|number_of_cubes_of_each_color| {
                    number_of_cubes_of_each_color.red <= NUMBER_OF_RED_CUBES_IN_THE_BAG
                        && number_of_cubes_of_each_color.blue <= NUMBER_OF_BLUE_CUBES_IN_THE_BAG
                        && number_of_cubes_of_each_color.green <= NUMBER_OF_GREEN_CUBES_IN_THE_BAG
                })
        })
        .map(|game| game.id)
        .sum::<usize>()
 }
 pub fn part_2(input: &str) -> usize {
    input
        .lines()
        .map(|line| {
            let game = Game::from_str(line).unwrap_or_default();
            let mut maximum_number_of_cubes_of_each_color = NumberOfCubesOfEachColor {
                red: 1,
                green: 1,
                blue: 1,
            };
            for number_of_cubes_of_each_color in game.subsets_of_cubes {
                if number_of_cubes_of_each_color.red > maximum_number_of_cubes_of_each_color.red {
                    maximum_number_of_cubes_of_each_color.red = number_of_cubes_of_each_color.red;
                }
                if number_of_cubes_of_each_color.green > maximum_number_of_cubes_of_each_color.green
                {
                    maximum_number_of_cubes_of_each_color.green =
                        number_of_cubes_of_each_color.green;
                }
                if number_of_cubes_of_each_color.blue > maximum_number_of_cubes_of_each_color.blue {
                    maximum_number_of_cubes_of_each_color.blue = number_of_cubes_of_each_color.blue;
                }
            }
            maximum_number_of_cubes_of_each_color.red
                * maximum_number_of_cubes_of_each_color.green
                * maximum_number_of_cubes_of_each_color.blue
        })
        .sum::<usize>()
 }
 #[cfg(test)]
 mod day_2_tests {
    use super::*;
    #[test]
    fn test_part_1_example() {
        assert_eq!(part_1(include_str!("../input_example_1.txt")), 8);
    }
    #[test]
    fn test_part_2_example() {
        assert_eq!(part_2(include_str!("../input_example_1.txt")), 2286);
    }
 }
--- a/day_2/src/main.rs
+++ b/day_2/src/main.rs
@ -1,18 +1,8 @@
-fn part_1() -> i32 {
+use day_2::{part_1, part_2};
    142
 }
 fn main() {
-    println!("- Day 2: Title -");
+    let input = include_str!("../input.txt");
-    println!("Answer Part 1: {}", part_1());
+    println!("- Day 2: Cube Conundrum -");
-}
+    println!("Answer Part 1: {}", part_1(input));
-
+    println!("Answer Part 2: {}", part_2(input));
 #[cfg(test)]
 mod day_2_tests {
    use super::*;
    #[test]
    fn test_part_1_example() {
        assert_eq!(142, part_1());
    }
 }