1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
use std::fs::File;
use std::collections::{HashMap, HashSet};
use std::io::{BufRead, BufReader};
fn l1(a: (i32, i32), b: (i32, i32)) -> i32 {
(a.0 - b.0).abs() + (a.1 - b.1).abs()
}
fn main() {
let f = File::open("day06").unwrap();
let v: Vec<Vec<i32>> = BufReader::new(&f)
.lines()
.map(|l| {
l.unwrap().split(", ").map(|x| x.parse().unwrap()).collect()
})
.collect();
let mut c = HashMap::new();
let mut b = HashSet::new();
let mut s = 0;
for x in 0..500 {
for y in 0..500 {
let next = v.iter()
.min_by_key(|p| l1((x, y), (p[0], p[1]))).unwrap();
*c.entry(next).or_insert(0) += 1;
if x == 0 || x == 499 || y == 0 || y == 499 {
b.insert(next);
}
if v.iter().map(|p| l1((x, y), (p[0], p[1]))).sum::<i32>() < 10000 {
s += 1;
}
}
}
println!(
"{}",
c.iter()
.filter(|(k, _)| !b.contains(*k))
.max_by_key(|(_, v)| *v)
.unwrap().1
);
println!("{}", s);
}
|
