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advent-of-code
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cargo fmt

main
Andrew Coleman 2024-02-21 12:59:51 -05:00
parent e9f6c6e50d
commit 1da7a12927
5 changed files with 31 additions and 11 deletions
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4
2023/src/bin/01.rs
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@ -107,7 +107,9 @@ mod tests {
#[test] #[test]
fn test_part_two() { fn test_part_two() {
let result = part_two(&advent_of_code::template::read_file("examples", DAY, 2)); let result = part_two(&advent_of_code::template::read_file_part(
"examples", DAY, 2,
));
assert_eq!(result, Some(281)); assert_eq!(result, Some(281));
} }
} }

14
2023/src/bin/06.rs
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@ -39,12 +39,14 @@ fn parse(input: &str) -> Vec<Race> {
} }
pub fn part_one(input: &str) -> Option<u64> { pub fn part_one(input: &str) -> Option<u64> {
Some(parse(input) Some(
.iter() parse(input)
.map(|race| race.winning_times().len() as u64) .iter()
.collect::<Vec<u64>>() .map(|race| race.winning_times().len() as u64)
.iter() .collect::<Vec<u64>>()
.product()) .iter()
.product(),
)
} }
pub fn part_two(input: &str) -> Option<u64> { pub fn part_two(input: &str) -> Option<u64> {

5
2023/src/bin/07.rs
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@ -256,7 +256,10 @@ fn parse(input: &str) -> Vec<Hand> {
pub fn part_one(input: &str) -> Option<u32> { pub fn part_one(input: &str) -> Option<u32> {
let mut sum: u64 = 0; let mut sum: u64 = 0;
let mut hands = parse(input).iter().map(|h| h.clone()).collect::<Vec<Hand>>(); let mut hands = parse(input)
.iter()
.map(|h| h.clone())
.collect::<Vec<Hand>>();
hands.sort(); hands.sort();
for (index, hand) in hands.iter().rev().enumerate() { for (index, hand) in hands.iter().rev().enumerate() {
sum += hand.bid * (index as u64 + 1); sum += hand.bid * (index as u64 + 1);

18
2023/src/bin/09.rs
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@ -38,7 +38,14 @@ fn next_number(s: &Seq) -> i32 {
} }
pub fn part_one(input: &str) -> Option<u32> { pub fn part_one(input: &str) -> Option<u32> {
Some(parse(input).iter().map(|s| next_number(&s)).sum::<i32>().try_into().unwrap()) Some(
parse(input)
.iter()
.map(|s| next_number(&s))
.sum::<i32>()
.try_into()
.unwrap(),
)
} }
fn previous_number(s: &Seq) -> i32 { fn previous_number(s: &Seq) -> i32 {
@ -51,7 +58,14 @@ fn previous_number(s: &Seq) -> i32 {
} }
pub fn part_two(input: &str) -> Option<u32> { pub fn part_two(input: &str) -> Option<u32> {
Some(parse(input).iter().map(|s| previous_number(&s)).sum::<i32>().try_into().unwrap()) Some(
parse(input)
.iter()
.map(|s| previous_number(&s))
.sum::<i32>()
.try_into()
.unwrap(),
)
} }
#[cfg(test)] #[cfg(test)]

1
2023/src/bin/19.rs
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@ -144,7 +144,6 @@ pub fn part_one(input: &str) -> Option<u64> {
Some(parts.iter().map(|p| filter_part(&rules, &p)).sum()) Some(parts.iter().map(|p| filter_part(&rules, &p)).sum())
} }
fn combinations(weights: [(u64, u64); 4]) -> u64 { fn combinations(weights: [(u64, u64); 4]) -> u64 {
(0..4) (0..4)
.into_iter() .into_iter()