eryn/advent-of-code
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Tweak the solutions to days 1, 2, and 3

Browse source
This commit is contained in:
Eryn Wells 2022-12-04 17:53:40 -08:00
parent 846cfe0da6
commit 3b46147c27
3 changed files with 13 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

19
2022/aoc2022/src/day1.rs
View file

@ -5,31 +5,32 @@ use std::io::Result;
use crate::file::line_reader_for_file;
fn get_calorie_totals<R: Read + BufRead>(lines: Lines<R>) -> Vec<u32> {
fn get_calorie_totals<R: Read + BufRead>(lines: Lines<R>) -> Result<Vec<u32>> {
let mut elves: Vec<u32> = Vec::new();
let mut current_calorie_count: u32 = 0;
for line in lines {
let unwrapped_line = line.unwrap();
if unwrapped_line.is_empty() {
let line = line?;
if line.is_empty() {
elves.push(current_calorie_count);
current_calorie_count = 0;
continue;
}
let u32_value = u32::from_str_radix(&unwrapped_line, 10)
.expect(format!("Couldn't read u32 value from string: {}", unwrapped_line).as_str());
let u32_value = u32::from_str_radix(&line, 10)
.expect(format!("Couldn't read u32 value from string: {}", line).as_str());
current_calorie_count += u32_value;
}
elves.sort_unstable_by(|a, b| b.cmp(a));
elves
Ok(elves)
}
pub fn main(input_filename: &String) -> Result<()> {
let line_reader = line_reader_for_file(input_filename.as_str())
pub fn main(input_filename: &str) -> Result<()> {
let line_reader = line_reader_for_file(input_filename)
.expect(format!("Unable to create line reader for file: {}", input_filename).as_str());
let elves = get_calorie_totals(line_reader);
let elves = get_calorie_totals(line_reader)
.expect("Unable to get knapsack calorie totals");
println!("Part 1: Elf with highest calorie count in knapsack: {}", elves[0]);