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2022 rust day 4

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This commit is contained in:
Maciej Jur 2022-12-04 13:13:13 +01:00
parent 87bee4974d
commit 63a1ed45c2
1 changed files with 8 additions and 10 deletions
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18
2022/rust/src/solutions/day04.rs
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@ -12,22 +12,20 @@ pub fn run() -> () {
}
fn solve1(data: &Vec<((i32, i32), (i32, i32))>) -> i32 {
fn solve1(data: &Vec<((i32, i32), (i32, i32))>) -> usize {
data.iter()
.copied()
.map(|((s1, e1), (s2, e2))|
if s1 <= s2 && e2 <= e1 || s2 <= s1 && e1 <= e2 { 1 } else { 0 }
.filter(|((s1, e1), (s2, e2))|
s1 <= s2 && e2 <= e1 || s2 <= s1 && e1 <= e2
)
.sum()
.count()
}
fn solve2(data: &Vec<((i32, i32), (i32, i32))>) -> i32 {
fn solve2(data: &Vec<((i32, i32), (i32, i32))>) -> usize {
data.iter()
.copied()
.map(|((s1, e1), (s2, e2))|
if s1 <= e2 && s2 <= e1 { 1 } else { 0 }
.filter(|((s1, e1), (s2, e2))|
s1 <= e2 && s2 <= e1
)
.sum()
.count()
}