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timeshifter
2024-01-31 14:25:08 +01:00
parent aae899c552
commit d49022f310
14 changed files with 1426 additions and 0 deletions
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.gitignore
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**/target
01/Cargo.lock
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# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
version = 3
[[package]]
name = "aoc"
version = "0.1.0"
[[package]]
name = "aoc2024-01"
version = "0.1.0"
dependencies = [
"aoc",
]
01/Cargo.toml
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[package]
name = "aoc2024-01"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
aoc = {version = "*", path = "../lib/aoc"}
01/a.txt
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01/example.txt
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two1nine
eightwothree
abcone2threexyz
xtwone3four
4nineeightseven2
zoneight234
7pqrstsixteen
01/src/main.rs
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use aoc::read_file;
const NUMBERS_AS_DIGITS: [&str; 10] = [
"zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine",
];
enum Direction {
Forward,
Reverse,
}
fn main() {
let content = read_file("a.txt");
part_a(&content);
part_b(&content);
}
fn part_a(content: &[String]) {
let mut sum = 0;
let mut line_value;
for line in content {
line_value = 0;
'inner: for ch in line.chars() {
if ch.is_ascii_digit() {
line_value += ch.to_digit(10).unwrap() * 10;
break 'inner;
}
}
'inner: for ch in line.chars().rev() {
if ch.is_ascii_digit() {
line_value += ch.to_digit(10).unwrap();
break 'inner;
}
}
sum += line_value;
}
println!("{sum}");
}
fn part_b(content: &[String]) {
let mut sum = 0;
let mut line_value;
for line in content {
line_value = 0;
let chars: Vec<_> = line.chars().collect();
'inner: for i in 0..chars.len() {
if chars[i].is_ascii_digit() {
line_value = chars[i].to_digit(10).unwrap();
break 'inner;
} else if let Some(digit) = contains_digit_as_string(&chars, i, Direction::Forward) {
line_value = digit;
break 'inner;
}
}
line_value *= 10;
'inner: for i in (0..chars.len()).rev() {
if chars[i].is_ascii_digit() {
line_value += chars[i].to_digit(10).unwrap();
break 'inner;
} else if let Some(digit) = contains_digit_as_string(&chars, i, Direction::Reverse) {
line_value += digit;
break 'inner;
}
}
sum += line_value;
}
println!("{sum}");
}
fn contains_digit_as_string(chars: &[char], start: usize, direction: Direction) -> Option<u32> {
match direction {
Direction::Forward => {
for possible_len in [3, 4, 5] {
let end = start + possible_len;
if end >= chars.len() {
return None;
}
let s: String = chars.get(start..end).unwrap().iter().collect();
for (i, number) in NUMBERS_AS_DIGITS.iter().enumerate() {
if *number == s {
return Some(i as u32);
}
}
}
None
}
Direction::Reverse => {
let end = start + 1;
for possible_len in [3, 4, 5] {
let (start, overflow) = end.overflowing_sub(possible_len);
if overflow {
return None;
}
let s: String = chars.get(start..end).unwrap().iter().collect();
for (i, number) in NUMBERS_AS_DIGITS.iter().enumerate() {
if *number == s {
return Some(i as u32);
}
}
}
None
}
}
}
02/Cargo.lock
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# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
version = 3
[[package]]
name = "aoc"
version = "0.1.0"
[[package]]
name = "aoc2024-02"
version = "0.1.0"
dependencies = [
"aoc",
"itertools",
]
[[package]]
name = "either"
version = "1.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
[[package]]
name = "itertools"
version = "0.12.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ba291022dbbd398a455acf126c1e341954079855bc60dfdda641363bd6922569"
dependencies = [
"either",
]
02/Cargo.toml
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[package]
name = "aoc2024-02"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
aoc = {version = "*", path = "../lib/aoc"}
itertools = "0.12.1"
02/example.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
02/input.txt
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Game 1: 2 red, 2 green; 6 red, 3 green; 2 red, 1 green, 2 blue; 1 red
Game 2: 2 green; 15 red, 5 blue; 2 green, 4 blue, 5 red; 3 green, 6 blue, 6 red; 6 blue, 1 green
Game 3: 10 blue, 8 red, 5 green; 5 green, 3 red; 12 red, 2 green, 9 blue; 6 green, 11 red
Game 4: 2 green, 3 blue, 1 red; 17 green, 1 blue, 1 red; 1 green, 5 red
Game 5: 4 green, 13 red, 3 blue; 14 blue, 5 green, 5 red; 2 blue, 7 green, 3 red; 5 green, 11 blue, 10 red
Game 6: 1 green, 4 red; 1 blue, 19 red, 5 green; 15 red, 1 green, 1 blue; 8 green, 12 red; 19 green, 7 red; 2 blue, 14 red, 12 green
Game 7: 1 blue, 3 red, 3 green; 4 green; 1 blue, 6 red, 5 green
Game 8: 1 green; 1 green, 16 red, 1 blue; 3 red, 1 green, 1 blue; 1 green; 2 blue; 9 red
Game 9: 5 green, 1 red; 6 red, 4 blue, 1 green; 9 green, 7 red, 6 blue; 11 red, 12 green, 4 blue
Game 10: 12 green, 4 blue, 7 red; 6 blue, 2 red; 7 green, 6 blue, 6 red
Game 11: 18 green, 2 red; 19 green, 14 red, 9 blue; 8 blue, 12 red, 5 green; 4 green, 12 red; 14 red, 7 green, 10 blue
Game 12: 8 red, 4 blue; 4 green, 1 red, 2 blue; 1 blue, 11 green, 12 red
Game 13: 5 green, 4 blue, 4 red; 4 red, 5 blue, 2 green; 1 red, 5 blue, 10 green
Game 14: 14 red, 1 green; 2 green, 3 blue, 7 red; 2 red, 4 blue; 3 green, 8 red, 4 blue; 2 green, 14 red, 4 blue; 3 green, 9 red, 6 blue
Game 15: 17 blue, 5 red, 1 green; 1 green, 2 red; 3 red, 2 green; 11 blue, 4 red, 2 green
Game 16: 5 red, 5 green, 1 blue; 5 blue, 15 red, 13 green; 3 blue, 6 red, 12 green; 1 green, 13 red, 9 blue; 15 blue, 13 green, 6 red; 5 green, 7 red, 3 blue
Game 17: 17 red, 9 blue; 19 red, 9 blue, 2 green; 18 red, 1 green, 8 blue; 10 blue, 2 red, 1 green; 7 red, 5 blue, 1 green; 2 green, 2 red, 5 blue
Game 18: 1 blue, 9 green, 1 red; 8 green, 5 blue; 4 blue, 9 green; 1 red, 6 green; 3 green, 3 blue, 1 red; 1 red, 1 blue, 4 green
Game 19: 3 blue, 3 red; 1 blue, 2 red, 4 green; 4 green, 2 red; 7 blue, 1 red
Game 20: 1 blue, 2 red, 6 green; 4 red, 10 green, 5 blue; 7 green, 1 blue; 3 green, 10 red, 1 blue; 3 blue, 11 red, 2 green; 10 green, 1 blue, 11 red
Game 21: 1 green, 17 blue, 8 red; 13 green, 8 blue, 7 red; 7 blue, 10 green, 2 red
Game 22: 4 green, 13 blue; 13 blue, 10 green; 8 green, 12 blue, 3 red; 6 green, 3 blue, 3 red
Game 23: 11 green, 7 red; 11 blue, 11 red; 12 green, 3 red; 7 red, 7 green, 15 blue; 10 green, 5 blue
Game 24: 1 blue, 15 green, 6 red; 2 red, 1 blue, 5 green; 13 green, 1 blue, 7 red; 1 blue; 19 green, 1 blue, 12 red; 13 green, 1 blue, 2 red
Game 25: 15 green, 1 blue, 2 red; 9 green, 5 blue; 16 green, 4 red; 3 blue, 2 red, 7 green
Game 26: 5 blue, 1 red; 9 blue, 1 green, 1 red; 1 red, 1 green, 4 blue
Game 27: 3 red, 4 blue, 2 green; 2 red, 3 blue; 1 blue, 1 red, 5 green
Game 28: 1 red, 3 green, 6 blue; 5 red, 2 blue, 3 green; 6 green, 4 red
Game 29: 8 green, 6 red, 18 blue; 18 blue, 2 green, 8 red; 2 red, 14 blue, 2 green; 2 red, 4 green, 19 blue; 11 green, 9 red, 8 blue
Game 30: 9 red, 11 blue, 6 green; 4 red, 6 green, 1 blue; 13 blue, 1 red, 1 green; 7 red, 1 green, 1 blue
Game 31: 11 red, 3 green; 3 green, 2 red; 6 red, 4 green; 4 blue, 9 red; 4 green, 2 red, 3 blue; 2 red, 1 blue, 6 green
Game 32: 4 red, 16 blue, 12 green; 10 blue, 7 green, 3 red; 7 blue, 4 green; 1 green, 8 blue, 3 red
Game 33: 6 green, 2 blue, 2 red; 1 red, 3 green, 7 blue; 9 blue, 1 green; 10 blue, 1 green, 1 red; 8 blue, 4 red, 6 green; 1 green, 2 red, 7 blue
Game 34: 4 blue, 6 red; 7 red, 5 green, 3 blue; 2 blue, 1 red; 5 blue, 2 green
Game 35: 8 green, 1 blue; 12 blue; 6 green, 13 blue; 9 blue, 4 green; 5 green, 1 red, 7 blue; 5 blue, 1 red, 6 green
Game 36: 10 red, 4 blue, 6 green; 15 blue, 1 green, 2 red; 16 red, 14 blue, 2 green
Game 37: 3 green, 1 red, 2 blue; 5 blue, 2 green, 4 red; 2 red, 3 green; 4 blue, 4 red, 1 green; 3 red, 4 blue, 3 green
Game 38: 9 red, 1 green, 16 blue; 1 green, 4 blue, 1 red; 10 blue, 1 red, 1 green; 3 red, 17 blue; 7 blue, 5 red
Game 39: 9 red, 16 blue, 3 green; 8 green, 3 red, 3 blue; 8 blue, 13 red, 1 green; 3 red, 17 blue, 3 green; 11 blue, 9 red, 3 green
Game 40: 4 blue, 2 green, 8 red; 3 blue; 7 blue
Game 41: 3 blue, 10 green, 7 red; 1 blue; 8 green, 4 blue, 1 red; 8 green, 7 red, 4 blue
Game 42: 6 green, 5 blue, 1 red; 5 blue, 2 red, 6 green; 1 green, 3 red, 3 blue; 1 red, 1 blue, 8 green; 2 red, 10 green; 4 red, 6 green
Game 43: 12 blue, 9 green, 9 red; 8 blue, 6 red, 2 green; 1 green, 8 blue, 12 red; 15 blue, 5 green, 13 red; 15 blue, 7 green, 8 red; 16 blue, 11 red, 8 green
Game 44: 4 green, 16 blue, 1 red; 5 green, 1 blue; 1 blue, 1 green; 11 blue, 1 red, 3 green; 10 blue, 1 red; 15 blue, 1 red, 3 green
Game 45: 12 blue, 6 green, 9 red; 5 red, 6 blue, 2 green; 4 blue, 5 green, 5 red; 2 green, 6 blue, 8 red; 9 red, 7 green, 7 blue
Game 46: 7 blue, 1 red; 1 green, 2 blue, 2 red; 3 red
Game 47: 10 blue, 11 green, 1 red; 10 green; 4 red, 6 blue, 16 green; 20 green, 2 blue; 1 green, 3 red, 6 blue; 4 red, 5 blue, 13 green
Game 48: 1 red, 4 blue, 3 green; 20 blue, 1 red, 8 green; 1 red, 12 green, 12 blue
Game 49: 5 green, 8 red, 2 blue; 2 blue, 2 red, 1 green; 3 red, 3 blue; 3 blue, 12 green
Game 50: 7 green, 8 red; 2 blue, 6 green; 1 green, 1 blue, 7 red
Game 51: 19 red, 13 blue, 4 green; 9 green, 10 red, 2 blue; 2 green, 20 red; 20 red, 2 green; 6 green, 10 blue, 5 red
Game 52: 1 red, 13 green; 11 green; 15 green; 1 red, 9 green, 1 blue
Game 53: 7 blue, 3 green; 1 red, 6 blue, 6 green; 7 blue, 1 red, 6 green
Game 54: 12 red, 1 green; 14 red, 10 green; 1 green, 7 red, 4 blue
Game 55: 1 blue, 5 green, 3 red; 3 green, 4 red; 6 red, 1 blue, 4 green
Game 56: 5 red, 1 blue, 2 green; 6 green; 4 red, 6 green; 6 green, 2 blue, 2 red; 4 red, 2 green, 2 blue; 4 red, 2 blue
Game 57: 6 green, 3 blue; 8 blue, 6 green, 5 red; 5 red, 2 green, 12 blue; 5 red, 7 green, 5 blue
Game 58: 2 blue, 1 red, 4 green; 1 red, 14 green; 2 green, 2 blue, 1 red
Game 59: 10 red, 11 blue, 6 green; 2 blue, 8 green; 1 green, 5 blue, 15 red; 3 red, 7 blue, 9 green; 9 green, 9 blue, 14 red; 8 green, 13 blue, 15 red
Game 60: 1 blue, 11 red, 7 green; 7 red, 3 blue; 16 red, 3 blue, 2 green; 2 red, 9 green, 2 blue; 2 blue, 8 red, 9 green; 15 red, 1 blue, 9 green
Game 61: 8 green, 15 blue; 16 blue, 1 green; 1 green, 11 blue; 1 green, 9 blue, 1 red; 8 green, 9 blue; 8 blue, 15 green
Game 62: 5 green, 4 blue; 1 blue, 2 green; 1 red, 16 green, 2 blue; 1 blue, 16 green, 1 red; 13 green, 2 blue
Game 63: 1 red, 1 blue; 1 green, 1 red; 1 green; 1 green, 2 red; 1 blue; 2 red
Game 64: 5 red, 1 blue, 5 green; 10 red, 4 green, 2 blue; 8 red, 1 blue
Game 65: 1 red, 8 green, 10 blue; 11 blue, 5 green, 1 red; 2 red, 5 blue, 1 green; 8 green, 7 blue
Game 66: 5 red, 1 green; 1 blue, 7 red; 4 red, 15 green, 1 blue; 8 red, 4 green; 1 blue, 15 green, 3 red
Game 67: 15 green, 7 blue, 1 red; 8 green, 7 blue; 5 blue, 1 red, 4 green; 2 green, 9 blue; 1 red, 6 blue
Game 68: 14 green, 17 red; 1 red, 2 blue, 17 green; 10 green; 3 red, 7 green, 2 blue
Game 69: 8 green, 12 red, 11 blue; 8 red, 2 blue, 10 green; 2 green, 6 blue, 2 red; 10 red, 12 green, 3 blue
Game 70: 2 blue, 8 green; 9 green; 2 red; 2 red, 5 green; 3 green, 2 blue, 3 red; 4 red, 1 blue
Game 71: 3 green, 4 blue; 13 red, 13 blue; 4 green, 3 red, 1 blue; 1 green, 7 blue, 3 red; 3 green, 9 blue, 13 red; 10 red, 12 blue, 5 green
Game 72: 4 green, 17 red, 4 blue; 4 green, 2 blue; 1 red, 10 blue, 1 green; 3 green; 2 blue, 15 red, 3 green; 6 red, 10 blue
Game 73: 14 green, 9 red, 6 blue; 10 red, 4 green, 7 blue; 9 green, 5 red, 6 blue; 6 red, 2 blue; 5 blue, 7 red, 14 green; 4 green, 6 blue, 5 red
Game 74: 19 blue, 7 green, 1 red; 12 blue, 11 green, 1 red; 2 red, 5 blue, 14 green; 5 green, 5 blue, 7 red
Game 75: 12 green, 5 blue, 12 red; 17 green, 10 red, 7 blue; 1 blue, 8 red, 1 green; 11 red, 10 green, 4 blue; 1 blue, 10 green; 1 green, 5 blue, 7 red
Game 76: 9 green, 2 red, 3 blue; 6 red, 13 green, 5 blue; 14 green, 9 red, 2 blue; 1 blue, 6 red, 2 green; 8 red, 10 green, 1 blue; 2 red, 15 green, 7 blue
Game 77: 5 blue, 2 green, 1 red; 4 blue, 14 red; 3 blue, 1 green, 8 red; 13 red, 8 blue; 17 blue, 2 green, 9 red; 11 blue, 1 green
Game 78: 5 blue, 4 green, 4 red; 1 red, 9 green, 4 blue; 8 green
Game 79: 5 blue, 6 red; 2 blue, 1 green, 9 red; 3 green; 8 red, 1 green, 5 blue; 2 green, 5 red
Game 80: 1 green, 2 blue, 8 red; 9 green, 12 red; 17 green, 8 red, 11 blue
Game 81: 8 red, 11 green, 13 blue; 9 red, 14 blue, 14 green; 14 blue, 11 green, 1 red; 5 red, 13 green, 3 blue; 4 green, 9 red, 2 blue; 11 red, 5 blue, 2 green
Game 82: 13 green, 2 red, 1 blue; 10 green, 2 blue; 2 blue, 11 green; 4 red, 1 green, 3 blue; 14 green, 1 blue, 2 red
Game 83: 6 blue, 2 red; 3 blue, 11 red, 1 green; 12 red, 1 green, 1 blue; 2 red; 10 red, 6 blue
Game 84: 1 green, 13 blue, 2 red; 4 red, 17 blue, 18 green; 17 green, 13 blue, 4 red; 4 blue, 15 green, 3 red; 3 red; 15 blue, 1 red, 12 green
Game 85: 11 green, 7 red; 7 green, 4 blue, 6 red; 8 red, 7 blue, 2 green; 11 green, 10 red, 3 blue
Game 86: 10 green, 5 blue; 4 blue, 7 red, 16 green; 8 red, 1 blue, 12 green
Game 87: 7 red, 3 green; 1 blue, 5 red, 14 green; 13 red, 4 green; 19 green, 9 red; 12 green, 1 red
Game 88: 5 red, 16 blue; 2 green, 14 blue, 1 red; 14 blue, 1 green
Game 89: 1 green, 2 blue, 1 red; 10 blue; 4 blue; 2 green, 14 blue; 14 blue, 1 red, 2 green
Game 90: 1 blue, 13 green, 1 red; 4 blue, 1 red, 17 green; 9 green, 7 blue, 5 red; 1 blue, 3 red, 15 green; 3 red, 4 blue, 15 green
Game 91: 1 green; 9 green, 2 red, 2 blue; 3 blue, 12 green, 1 red; 2 red, 1 blue, 6 green
Game 92: 1 green, 4 blue, 10 red; 12 blue, 9 red, 3 green; 10 blue, 8 red, 2 green
Game 93: 7 blue, 5 red; 2 green, 1 blue, 6 red; 1 blue, 6 red
Game 94: 8 red, 3 green, 8 blue; 3 red, 1 green, 4 blue; 4 green, 17 blue, 2 red; 2 green, 9 red, 7 blue; 13 red, 4 green, 18 blue
Game 95: 9 blue, 11 green; 14 green, 10 blue, 11 red; 13 blue, 10 green, 1 red; 6 red, 4 green, 1 blue; 9 blue, 13 green
Game 96: 3 red, 3 green; 16 green, 2 blue; 7 blue, 3 red, 16 green; 10 green, 1 red
Game 97: 4 red, 6 blue; 2 red; 13 red, 6 blue, 3 green; 1 green, 12 red; 3 green, 2 blue, 16 red
Game 98: 1 red, 6 green, 7 blue; 14 red, 3 green, 2 blue; 16 blue, 14 red, 11 green; 5 blue; 9 red, 1 green, 15 blue
Game 99: 3 blue, 8 green, 1 red; 4 green, 1 blue, 2 red; 1 red, 4 green; 2 blue, 4 green
Game 100: 8 red, 2 blue, 1 green; 2 blue, 4 red, 2 green; 9 red, 1 green; 2 green, 2 red; 3 red, 5 blue; 5 blue, 8 red
02/src/main.rs
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use itertools::Itertools;
use aoc::read_file;
const RED: usize = 12;
const GREEN: usize = 13;
const BLUE: usize = 14;
const SPLIT_CHARS: [char; 3] = [' ', ';', ','];
fn main() {
let content = read_file("input.txt");
part_a(&content);
part_b(&content);
}
#[derive(Debug)]
struct Draws {
pub red: usize,
pub green: usize,
pub blue: usize,
}
impl From<&str> for Draws {
fn from(value: &str) -> Self {
let mut red = 0;
let mut green = 0;
let mut blue = 0;
let parts: Vec<_> = value
.split(&SPLIT_CHARS)
.filter(|w| !w.is_empty())
.tuples::<(&str, &str)>()
.collect();
for (count, color) in parts {
let count = count.parse().unwrap();
match color {
"red" => red = count,
"green" => green = count,
"blue" => blue = count,
_ => panic!("what color is that"),
};
}
Self::new(red, green, blue)
}
}
impl Draws {
fn new(red: usize, green: usize, blue: usize) -> Self {
Self { red, green, blue }
}
fn is_valid(&self, red: usize, green: usize, blue: usize) -> bool {
self.red <= red && self.green <= green && self.blue <= blue
}
fn power(&self) -> usize {
self.red * self.blue * self.green
}
}
fn part_a(content: &[String]) {
let mut sum = 0;
for line in content {
let id = get_id(line);
let draws = get_draws(line);
draws
.into_iter()
.all(|draw| draw.is_valid(RED, GREEN, BLUE))
.then(|| sum += id);
}
println!("{sum}");
}
fn get_draws(line: &str) -> Vec<Draws> {
let after_colon = line.split_once(": ").unwrap().1;
after_colon.split("; ").map(Draws::from).collect()
}
fn get_id(line: &str) -> usize {
let stripped_lead = line.strip_prefix("Game ").unwrap();
let (number, _) = stripped_lead.split_once(':').unwrap();
number.parse().unwrap()
}
fn part_b(content: &[String]) {
let mut sum = 0;
for line in content {
let draws = get_draws(line);
let minimum_cubes = draws.into_iter().reduce(compare_draws).unwrap();
sum += minimum_cubes.power();
}
println!("{sum}");
}
fn compare_draws(l: Draws, r: Draws) -> Draws {
let red = l.red.max(r.red);
let green = l.green.max(r.green);
let blue = l.blue.max(r.blue);
Draws::new(red, green, blue)
}
lib/aoc/Cargo.lock
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# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
version = 3
[[package]]
name = "aoc"
version = "0.1.0"
lib/aoc/Cargo.toml
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[package]
name = "aoc"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
lib/aoc/src/lib.rs
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use std::{fs, io::Read};
pub fn read_file(filename: &str) -> Vec<String> {
let mut f = fs::File::open(filename).unwrap();
let mut buffer = String::new();
f.read_to_string(&mut buffer).unwrap();
buffer.lines().map(|s| s.to_owned()).collect()
}