bert/adventofcode
1
0
Fork 0
mirror of https://github.com/bertptrs/adventofcode.git synced 2025-12-26 21:30:31 +01:00
Code Issues Projects Releases Wiki Activity

Correct formatting.

Browse Source
This commit is contained in:
Bert Peters
2019-02-18 15:13:48 +01:00
parent 171d9fa2e9
commit c16ef40d73
28 changed files with 316 additions and 195 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
2018/src/day04.rs
View File

@@ -2,9 +2,9 @@ use std::collections::HashMap;
use std::io;
use std::io::BufRead;
use chrono::DateTime;
use chrono::offset::TimeZone;
use chrono::offset::Utc;
use chrono::DateTime;
use chrono::Timelike;
use regex::Regex;
@@ -42,7 +42,9 @@ impl Day04 {
for line in reader.lines() {
let line = line.unwrap();
let captures = scanner.captures(&line).unwrap();
let timestamp = Utc.datetime_from_str(&captures[1], "%Y-%m-%d %H:%M").unwrap();
let timestamp = Utc
.datetime_from_str(&captures[1], "%Y-%m-%d %H:%M")
.unwrap();
let event = match &captures[2] {
"falls asleep" => EventType::SLEEP,
@@ -64,7 +66,6 @@ impl Day04 {
let mut guard: Option<usize> = None;
let mut sleep_start: Option<DateTime<Utc>> = None;
for event in &self.events {
match &event.event {
EventType::SHIFT(val) => {
@@ -86,11 +87,18 @@ impl Day04 {
sleeps
}
fn format_results(sleepers: &HashMap<usize, [u32; 60]>, scores: &HashMap<usize, u32>) -> String {
fn format_results(
sleepers: &HashMap<usize, [u32; 60]>,
scores: &HashMap<usize, u32>,
) -> String {
let (best_sleeper, _) = scores.iter().max_by(|&(_, a), &(_, b)| a.cmp(b)).unwrap();
let best_minute = sleepers[best_sleeper].iter().enumerate()
.max_by(|&(_, a), &(_, b)| a.cmp(b)).unwrap().0;
let best_minute = sleepers[best_sleeper]
.iter()
.enumerate()
.max_by(|&(_, a), &(_, b)| a.cmp(b))
.unwrap()
.0;
(best_sleeper * (best_minute as usize)).to_string()
}
@@ -100,7 +108,8 @@ impl common::Solution for Day04 {
fn part1(&mut self, input: &mut io::Read) -> String {
self.read_events(input);
let sleepers = self.get_sleeps();
let scores: HashMap<usize, u32> = sleepers.iter().map(|(k, v)| (*k, v.iter().sum())).collect();
let scores: HashMap<usize, u32> =
sleepers.iter().map(|(k, v)| (*k, v.iter().sum())).collect();
Day04::format_results(&sleepers, &scores)
}
@@ -108,7 +117,10 @@ impl common::Solution for Day04 {
fn part2(&mut self, input: &mut io::Read) -> String {
self.read_events(input);
let sleepers = self.get_sleeps();
let scores: HashMap<usize, u32> = sleepers.iter().map(|(k, v)| (*k, *v.iter().max().unwrap())).collect();
let scores: HashMap<usize, u32> = sleepers
.iter()
.map(|(k, v)| (*k, *v.iter().max().unwrap()))
.collect();
Day04::format_results(&sleepers, &scores)
}