diff options
Diffstat (limited to 'aoc2023')
| -rw-r--r-- | aoc2023/day2/Cargo.lock | 7 | ||||
| -rw-r--r-- | aoc2023/day2/Cargo.toml | 8 | ||||
| -rw-r--r-- | aoc2023/day2/input | 100 | ||||
| -rw-r--r-- | aoc2023/day2/src/main.rs | 158 |
4 files changed, 273 insertions, 0 deletions
diff --git a/aoc2023/day2/Cargo.lock b/aoc2023/day2/Cargo.lock new file mode 100644 index 0000000..63c2f60 --- /dev/null +++ b/aoc2023/day2/Cargo.lock @@ -0,0 +1,7 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +version = 3 + +[[package]] +name = "day2" +version = "0.1.0" diff --git a/aoc2023/day2/Cargo.toml b/aoc2023/day2/Cargo.toml new file mode 100644 index 0000000..8aa34bb --- /dev/null +++ b/aoc2023/day2/Cargo.toml @@ -0,0 +1,8 @@ +[package] +name = "day2" +version = "0.1.0" +edition = "2021" + +# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html + +[dependencies] diff --git a/aoc2023/day2/input b/aoc2023/day2/input new file mode 100644 index 0000000..145b929 --- /dev/null +++ b/aoc2023/day2/input @@ -0,0 +1,100 @@ +Game 1: 1 green, 2 red, 6 blue; 4 red, 1 green, 3 blue; 7 blue, 5 green; 6 blue, 2 red, 1 green +Game 2: 1 green, 17 red; 1 blue, 6 red, 7 green; 2 blue, 4 red, 7 green; 1 green, 6 red, 2 blue +Game 3: 6 red, 15 blue, 15 green; 1 green, 4 red, 12 blue; 14 blue, 9 red, 1 green; 2 red, 15 blue, 12 green +Game 4: 8 green, 10 blue, 6 red; 20 blue, 4 red; 17 blue, 2 green, 3 red; 4 blue, 2 green, 3 red; 10 red, 3 blue, 3 green; 5 green, 14 blue, 6 red +Game 5: 3 green, 8 blue, 2 red; 11 red, 6 green, 11 blue; 8 red, 5 blue, 2 green +Game 6: 2 blue, 12 red, 2 green; 3 green, 2 red; 3 green, 3 blue, 10 red; 7 red, 2 blue, 4 green; 1 red, 2 blue, 5 green +Game 7: 1 red, 8 blue, 2 green; 1 red, 2 blue, 12 green; 1 blue; 3 blue, 3 green +Game 8: 10 green, 4 red, 4 blue; 12 green, 1 blue; 1 red, 13 green, 2 blue; 12 green, 3 blue; 9 green, 7 red +Game 9: 1 green, 1 blue, 3 red; 3 blue, 3 red, 8 green; 6 blue, 4 red, 6 green; 2 red, 7 green; 1 red, 10 green, 13 blue; 5 red, 1 blue, 1 green +Game 10: 9 green, 3 red, 3 blue; 12 green, 2 blue; 18 green, 1 blue; 14 green; 2 blue, 9 green, 2 red +Game 11: 14 green; 2 green, 2 red, 11 blue; 9 blue, 3 green +Game 12: 9 green, 3 blue, 8 red; 1 green, 2 blue, 3 red; 4 blue, 8 red, 10 green; 3 blue, 7 red, 8 green; 3 blue, 5 red, 7 green; 2 blue, 5 green +Game 13: 6 red, 1 blue, 10 green; 7 red, 1 green; 8 red, 2 green, 1 blue +Game 14: 2 red, 4 blue, 2 green; 2 green, 5 red, 1 blue; 1 red, 6 blue +Game 15: 7 blue, 3 red; 13 blue, 8 red, 1 green; 1 green, 5 red, 13 blue; 8 red, 5 blue; 4 red, 3 blue, 1 green; 12 blue, 8 red, 1 green +Game 16: 5 blue, 1 green, 2 red; 2 blue, 20 green; 4 blue, 1 red, 17 green; 10 green, 5 blue, 2 red +Game 17: 6 red, 13 blue, 8 green; 12 blue, 7 green, 9 red; 19 blue, 5 red; 2 green, 8 red, 14 blue +Game 18: 5 red, 2 green, 1 blue; 8 blue, 17 red, 9 green; 2 blue, 1 green; 4 blue, 10 red; 5 blue, 4 red, 6 green +Game 19: 5 red, 12 green; 8 red, 13 green, 1 blue; 1 red, 1 green, 3 blue; 5 green, 5 red +Game 20: 11 red, 8 blue; 9 red, 2 green, 13 blue; 2 red, 1 green, 2 blue; 1 green, 9 blue, 13 red; 3 blue, 5 red, 1 green +Game 21: 1 red, 4 green, 11 blue; 3 green, 15 blue; 6 green, 7 red, 14 blue; 15 blue, 6 green, 10 red; 6 red, 16 blue, 2 green +Game 22: 2 blue, 15 green, 2 red; 3 blue, 6 green, 1 red; 2 blue, 5 green, 1 red; 6 green, 2 red, 2 blue; 4 green, 2 blue; 4 blue, 1 red, 15 green +Game 23: 2 blue, 1 green, 12 red; 5 blue, 11 red, 4 green; 12 red, 4 blue; 12 red, 2 green, 5 blue +Game 24: 4 blue, 7 red; 3 red, 3 blue; 1 red, 4 blue; 2 green, 6 red, 6 blue; 7 red, 1 green, 2 blue; 6 red, 1 blue, 1 green +Game 25: 5 green, 9 blue; 6 green, 7 red, 2 blue; 1 red, 3 blue, 7 green; 9 blue, 3 red; 5 green, 9 blue, 2 red +Game 26: 6 red, 4 blue; 2 blue, 4 green; 3 green, 5 red, 5 blue; 4 green, 6 red, 3 blue; 4 green, 7 red, 4 blue +Game 27: 15 green, 1 blue, 12 red; 12 red, 1 green; 1 red, 1 blue, 5 green; 13 green, 6 red, 1 blue; 5 red, 1 blue, 1 green; 11 red, 14 green +Game 28: 3 blue, 2 green, 10 red; 5 blue, 2 green; 4 green, 3 blue, 11 red +Game 29: 10 blue, 2 red; 17 green, 7 blue, 2 red; 1 blue, 8 green, 1 red; 10 green, 2 red, 3 blue +Game 30: 10 green, 8 red, 1 blue; 4 blue, 7 green, 14 red; 2 blue, 14 red, 11 green; 1 blue, 13 green, 12 red; 5 blue, 2 red, 4 green; 4 green, 5 red +Game 31: 4 green, 11 red, 11 blue; 3 blue, 11 red; 5 blue, 7 red, 3 green; 10 blue, 5 green, 1 red +Game 32: 4 red, 8 blue, 1 green; 14 red, 7 blue, 4 green; 13 red, 3 blue, 9 green; 3 red, 1 green, 8 blue; 8 green, 8 red, 5 blue +Game 33: 6 red, 10 blue, 7 green; 19 blue, 1 red; 6 green, 11 red, 11 blue; 2 green, 2 blue, 12 red; 3 red, 13 blue, 7 green; 6 green, 4 red, 2 blue +Game 34: 3 red, 3 green, 15 blue; 7 green, 15 blue; 3 red, 2 green, 8 blue; 19 green, 18 blue +Game 35: 2 green, 1 blue; 2 green, 2 blue, 1 red; 3 blue, 1 red, 1 green; 4 blue, 1 red +Game 36: 1 red, 11 green; 1 green, 1 blue; 8 blue; 2 green, 3 red; 1 red +Game 37: 4 blue, 3 red; 12 blue, 13 red; 2 red, 2 green, 8 blue +Game 38: 8 red, 2 blue; 1 green, 2 red; 8 red, 2 green, 1 blue; 16 red, 2 green; 7 red, 2 blue, 2 green +Game 39: 6 green, 1 blue, 5 red; 14 green, 8 blue, 6 red; 8 red, 10 blue, 1 green; 14 green, 9 red; 17 blue, 5 red; 1 blue, 7 green, 1 red +Game 40: 4 red, 8 blue, 3 green; 13 blue, 1 red; 3 blue, 7 red, 3 green; 3 green, 8 blue, 10 red; 3 green, 20 blue, 5 red +Game 41: 1 blue, 2 green; 11 green, 2 blue; 5 blue; 15 red, 8 green, 5 blue +Game 42: 1 green, 12 blue, 1 red; 6 blue, 1 green, 5 red; 1 red, 11 blue, 4 green; 3 red, 17 blue, 1 green; 1 red, 11 blue; 9 blue, 6 green, 3 red +Game 43: 16 blue, 13 green, 1 red; 17 blue, 7 red, 10 green; 13 green, 5 red, 7 blue +Game 44: 2 blue, 4 red; 15 green, 7 red; 2 green, 1 blue; 6 red, 13 green +Game 45: 5 green, 1 blue, 8 red; 4 red, 1 blue, 5 green; 1 green, 3 red; 1 green, 2 blue, 6 red; 4 red, 3 green, 2 blue; 2 red, 2 blue, 5 green +Game 46: 1 green, 1 red, 6 blue; 11 blue; 1 red, 1 green, 7 blue; 8 blue; 1 green, 7 blue, 2 red +Game 47: 7 green, 9 blue, 7 red; 11 red, 13 blue, 5 green; 12 green, 12 blue, 5 red; 4 blue, 8 green, 7 red +Game 48: 11 green, 7 red, 2 blue; 2 blue, 10 green, 3 red; 1 blue, 2 red, 1 green; 4 green, 2 red, 7 blue; 7 red, 4 green, 2 blue +Game 49: 1 red, 2 blue, 5 green; 2 green, 4 blue; 5 blue, 2 green, 1 red; 9 blue, 1 green; 7 blue +Game 50: 8 green, 9 blue, 2 red; 2 green, 5 blue; 14 green, 1 red, 8 blue +Game 51: 1 green, 2 blue; 12 blue, 1 red; 2 blue +Game 52: 3 red, 2 blue, 2 green; 4 red, 4 green, 7 blue; 2 blue, 4 red, 1 green; 3 green; 1 red, 9 green, 7 blue +Game 53: 9 blue, 12 red, 7 green; 8 blue, 6 green; 1 green, 8 blue, 9 red; 12 red, 6 green; 9 blue, 14 red, 10 green; 7 red, 3 green, 5 blue +Game 54: 8 green, 5 blue, 5 red; 4 green, 13 blue, 2 red; 2 blue, 5 red, 1 green; 3 red, 3 green, 10 blue +Game 55: 17 red, 15 green, 17 blue; 6 red, 5 green, 7 blue; 17 green, 6 blue, 5 red +Game 56: 7 blue, 6 red, 7 green; 10 green, 3 red; 9 red, 3 blue, 5 green +Game 57: 5 blue, 11 red, 1 green; 13 red, 1 green, 2 blue; 2 blue, 4 red; 1 green, 10 red, 1 blue; 1 green, 8 red +Game 58: 1 red, 2 green, 9 blue; 1 green, 1 blue, 1 red; 2 red, 6 blue, 2 green; 14 blue, 1 green, 1 red; 5 blue, 1 red, 2 green; 14 blue, 2 green +Game 59: 9 green, 2 blue, 5 red; 9 red, 5 green; 10 red, 1 blue, 8 green +Game 60: 8 blue, 6 red, 4 green; 3 red, 12 green, 9 blue; 4 blue, 5 red, 5 green; 4 red, 8 blue; 7 green, 12 blue, 6 red +Game 61: 5 blue, 13 red, 1 green; 5 red, 5 blue; 1 red, 3 blue; 1 green, 9 red; 10 red, 3 blue, 1 green +Game 62: 1 blue, 13 red; 4 blue, 5 red; 11 blue, 8 red, 1 green +Game 63: 14 blue, 5 red; 9 blue, 14 green, 5 red; 3 red, 8 green, 15 blue; 4 blue, 15 green, 6 red +Game 64: 13 red, 6 blue, 11 green; 12 red, 1 blue, 8 green; 1 red, 17 green; 13 red, 12 green, 7 blue +Game 65: 4 red, 17 blue, 3 green; 2 green, 12 blue, 9 red; 2 green, 17 blue, 5 red; 1 red, 1 green, 4 blue; 9 red, 16 blue; 7 blue, 9 red +Game 66: 10 blue, 10 green, 5 red; 10 green, 3 blue, 5 red; 1 red, 1 green, 10 blue; 2 green, 5 red, 20 blue; 8 blue, 11 green, 13 red; 2 green, 18 blue, 2 red +Game 67: 6 red, 1 green; 5 red, 10 blue; 6 blue, 6 red +Game 68: 4 green, 1 red, 5 blue; 5 red, 5 blue; 7 red, 6 green; 8 red, 1 blue +Game 69: 2 blue, 11 red; 4 red, 6 green, 1 blue; 4 red, 1 blue, 14 green +Game 70: 15 red, 8 blue, 5 green; 5 green, 2 red, 8 blue; 8 red, 3 green, 10 blue +Game 71: 4 blue, 2 red; 12 green, 4 blue; 10 green +Game 72: 3 blue, 4 green, 6 red; 6 red, 5 green, 8 blue; 10 red, 6 green, 5 blue; 1 green, 2 blue; 10 red, 5 blue, 4 green +Game 73: 5 blue, 1 red; 1 green, 11 blue; 10 blue; 12 blue, 1 red; 1 red, 9 blue; 7 blue, 1 green, 1 red +Game 74: 7 green, 6 blue, 7 red; 7 blue, 6 green, 15 red; 7 red, 5 blue, 1 green; 1 blue, 6 red, 8 green; 8 green, 14 red, 3 blue +Game 75: 8 green, 3 red, 3 blue; 1 blue, 6 red, 7 green; 9 green, 3 blue; 3 blue, 9 green, 6 red; 4 blue, 1 red, 3 green; 4 green, 1 blue, 16 red +Game 76: 4 blue, 3 green; 2 blue, 1 red, 6 green; 12 blue; 1 green, 14 blue +Game 77: 5 green, 10 red, 11 blue; 3 red; 8 green, 6 red, 9 blue +Game 78: 7 red, 7 green; 8 blue; 6 green, 7 red, 5 blue +Game 79: 11 blue, 2 red, 4 green; 2 green, 3 red, 15 blue; 1 green, 15 blue, 1 red +Game 80: 3 red, 17 green, 8 blue; 8 green, 10 blue; 4 green, 1 red, 14 blue +Game 81: 17 green, 10 red, 10 blue; 9 green, 9 blue, 7 red; 11 red, 11 green, 4 blue; 15 blue, 5 red; 11 blue, 8 green, 15 red; 3 green, 16 red +Game 82: 8 green, 9 blue, 1 red; 1 red, 8 green, 9 blue; 2 green, 12 blue +Game 83: 2 green, 11 red, 20 blue; 20 blue, 1 green, 4 red; 2 green, 6 red, 20 blue; 17 blue, 10 red +Game 84: 1 green, 9 red; 4 blue, 4 green; 1 green, 6 red, 14 blue +Game 85: 5 red, 10 green, 9 blue; 8 blue, 3 green, 2 red; 4 blue, 14 green, 3 red; 5 red, 4 blue +Game 86: 8 blue, 9 green, 5 red; 5 red, 10 green, 1 blue; 15 blue, 1 red, 2 green; 8 red, 8 blue, 10 green +Game 87: 13 green, 2 red, 4 blue; 3 red, 11 green, 9 blue; 6 blue, 3 red, 12 green +Game 88: 2 red, 7 blue, 3 green; 2 blue, 9 red; 9 red, 6 blue, 7 green; 6 green, 13 blue, 9 red; 6 green, 2 red, 15 blue; 1 red, 8 green, 7 blue +Game 89: 11 red, 1 blue, 2 green; 6 blue, 5 green, 4 red; 15 red, 4 green, 5 blue; 11 red, 3 blue, 10 green; 6 blue, 13 green, 12 red +Game 90: 2 red, 2 blue, 4 green; 2 red, 2 blue; 9 green, 1 red, 1 blue; 5 green, 1 red; 7 green, 2 red; 2 green, 1 blue +Game 91: 5 blue, 3 red, 1 green; 1 red, 4 blue, 6 green; 6 blue, 6 green, 5 red +Game 92: 16 green, 1 blue, 12 red; 18 green, 14 red, 1 blue; 16 red, 1 green; 4 blue, 16 red, 18 green +Game 93: 9 red, 8 blue, 14 green; 1 blue, 1 green, 6 red; 4 blue, 4 red, 14 green +Game 94: 11 green, 4 blue, 2 red; 1 red, 1 green, 1 blue; 4 red, 1 blue, 2 green +Game 95: 5 blue, 2 red, 9 green; 5 blue, 8 green; 1 green, 15 blue; 5 red, 9 green, 5 blue; 3 green, 17 blue, 5 red +Game 96: 2 green, 14 blue, 1 red; 3 green, 3 red, 14 blue; 2 red, 2 green, 13 blue +Game 97: 2 green, 2 red; 2 blue, 1 green; 7 blue, 3 red +Game 98: 2 red, 1 blue, 12 green; 2 blue, 10 green, 5 red; 11 green, 9 blue; 6 blue, 17 green; 7 blue, 9 green, 9 red; 1 red, 11 green, 9 blue +Game 99: 2 green, 9 red, 1 blue; 3 green, 1 blue, 14 red; 5 green, 6 blue; 1 blue, 2 green, 3 red; 4 blue, 10 red, 1 green +Game 100: 4 green, 4 blue, 15 red; 3 green, 1 red, 13 blue; 5 green, 5 blue, 10 red diff --git a/aoc2023/day2/src/main.rs b/aoc2023/day2/src/main.rs new file mode 100644 index 0000000..e42b9c5 --- /dev/null +++ b/aoc2023/day2/src/main.rs @@ -0,0 +1,158 @@ +/* +--- Day 2: Cube Conundrum --- + +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: + +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? + +--- Part Two --- + +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: + +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? + + */ + +use std::cmp::max; +use std::fs; + +fn main() { + let input = fs::read_to_string("input").unwrap(); + + let max_red = 12; + let max_green = 13; + let max_blue = 14; + + let games:Vec<(i32, Vec<(i32, i32, i32)>)> = input.lines() + .map(construct_game) + .collect(); + + let total = games.iter().filter_map(|game| { + for cubeset in game.1.clone() { + if cubeset.0 > max_red || cubeset.1 > max_green || cubeset.2 > max_blue { + println!("Game {} is invalid", game.0); + return None + } + } + println!("Game {} is valid", game.0); + Some(game.0) + }).reduce(|acc, game| acc + game).unwrap(); + + println!("Part one answer: {total}"); + + let power_total = games.iter() + .map(game_power) + .reduce(|acc, e| acc + e) + .unwrap(); + + println!("Part two answer: {power_total}"); +} + +fn construct_game(line: &str) -> (i32, Vec<(i32, i32, i32)>) { + let t = line.split_once(":").unwrap(); + + let n = t.0.trim_start_matches("Game ") + .parse::<i32>().expect("game number is valid"); + + let cubesets = t.1.split(";") + .map(parse_cubeset) + .collect(); + + (n, cubesets) +} + +fn parse_cubeset(set: &str) -> (i32, i32, i32) { + let mut red = 0; + let mut green = 0; + let mut blue = 0; + + set.split(",") + .for_each(|cubes| { + if cubes.contains("red") { + red += cubes.trim().split_once(" ").unwrap().0 + .parse::<i32>().expect("can parse red cubes"); + } else if cubes.contains("green") { + green += cubes.trim().split_once(" ").unwrap().0 + .parse::<i32>().expect("can parse green cubes"); + } else if cubes.contains("blue") { + blue += cubes.trim().split_once(" ").unwrap().0 + .parse::<i32>().expect("can parse blue cubes"); + } + }); + + (red, green, blue) +} + +fn game_power(game:&(i32, Vec<(i32, i32, i32)>)) -> i32 { + let mut red = 0; + let mut green = 0; + let mut blue = 0; + + for cubeset in game.1.clone() { + red = max(cubeset.0, red); + green = max(cubeset.1, green); + blue = max(cubeset.2, blue); + } + + red * green * blue +} \ No newline at end of file |