diff options
Diffstat (limited to 'src/day4.rs')
| -rw-r--r-- | src/day4.rs | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/src/day4.rs b/src/day4.rs index f3a7593..7c1bf2e 100644 --- a/src/day4.rs +++ b/src/day4.rs @@ -70,7 +70,7 @@ pub fn part1() { .1; let mut slept_minutes: BTreeMap<i64, i64> = BTreeMap::new(); - for minute in &sleep_schedule.get(&most_slept_guard).unwrap().1 { + for minute in &sleep_schedule[&most_slept_guard].1 { *slept_minutes.entry(*minute).or_insert(0) += 1; } @@ -147,12 +147,11 @@ fn build_part_1_sleep_schedule<'a, T: IntoIterator<Item = &'a str>>( .parse::<i64>() .unwrap(); - match line.split(' ').skip(2).next().unwrap() { + match line.split(' ').nth(2).unwrap() { "Guard" => { guard = line .split(' ') - .skip(3) - .next() + .nth(3) .unwrap() .chars() .skip(1) @@ -198,12 +197,11 @@ fn build_part_2_sleep_schedule<'a, T: IntoIterator<Item = &'a str>>( .parse::<i64>() .unwrap(); - match line.split(' ').skip(2).next().unwrap() { + match line.split(' ').nth(2).unwrap() { "Guard" => { guard = line .split(' ') - .skip(3) - .next() + .nth(3) .unwrap() .chars() .skip(1) @@ -215,7 +213,7 @@ fn build_part_2_sleep_schedule<'a, T: IntoIterator<Item = &'a str>>( last_minute = minute; } "wakes" => { - let guard_entry = sleep_schedule.entry(guard).or_insert(BTreeMap::new()); + let guard_entry = sleep_schedule.entry(guard).or_insert_with(BTreeMap::new); let mut minutes_slept = minute - last_minute; while minutes_slept < 0 { minutes_slept = 60 - minutes_slept; |