Anson/Aoc-2022-Rust
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cleaned up code

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Anson 2022-12-01 23:07:00 -07:00
parent a12c497551
commit 6fe29ebc99
3 changed files with 26 additions and 9 deletions
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18
Cargo.lock generated
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@ -5,3 +5,21 @@ version = 3
[[package]] [[package]]
name = "aoc_2022" name = "aoc_2022"
version = "0.1.0" version = "0.1.0"
dependencies = [
"itertools",
]
[[package]]
name = "either"
version = "1.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "90e5c1c8368803113bf0c9584fc495a58b86dc8a29edbf8fe877d21d9507e797"
[[package]]
name = "itertools"
version = "0.10.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
dependencies = [
"either",
]

1
Cargo.toml
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@ -6,3 +6,4 @@ edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies] [dependencies]
itertools = "0.10.5"

16
src/day1.rs
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@ -1,3 +1,4 @@
use itertools::Itertools;
use std::fs; use std::fs;
pub fn run() { pub fn run() {
@ -11,33 +12,30 @@ pub fn run() {
fn part1(food_input: &str) -> usize { fn part1(food_input: &str) -> usize {
food_input food_input
.split("\n\n") .split("\n\n")
.collect::<Vec<&str>>()
.into_iter() .into_iter()
.map(|elf| { .map(|elf| {
elf.split_whitespace() elf.split_whitespace()
.map(|food| food.parse::<usize>().unwrap()) .map(|food| food.parse::<usize>().unwrap())
.sum() .sum()
}) })
.collect::<Vec<usize>>()
.into_iter() .into_iter()
.max() .max()
.unwrap() .unwrap()
} }
fn part2(food_input: &str) -> usize { fn part2(food_input: &str) -> usize {
let mut elves_calories = food_input food_input
.split("\n\n") .split("\n\n")
.collect::<Vec<&str>>() .collect::<Vec<&str>>()
.into_iter() .into_iter()
.map(|elf| { .map(|elf| {
elf.split_whitespace() elf.split_whitespace()
.map(|food| food.parse::<usize>().unwrap()) .map(|food| food.parse::<usize>().unwrap())
.sum() .sum::<usize>()
}) })
.collect::<Vec<usize>>(); .sorted()
.rev()
elves_calories.sort_by(|l, r| r.cmp(l)); .take(3)
.sum()
elves_calories[..3].iter().sum::<usize>()
} }
#[cfg(test)] #[cfg(test)]