Files
AdventOfCode2025/src/day09/part09a.rs

20 lines
564 B
Rust

use std::ops::Add;
pub fn solve(puzzle: String) -> u64 {
let mut solution: u64 = 0;
let points = puzzle
.lines()
.map(|line| line.split_once(',').unwrap())
.map(|(left, right)| (left.parse::<u64>().unwrap(), right.parse::<u64>().unwrap()))
.collect::<Vec<(u64, u64)>>();
points.iter().enumerate().for_each(|(i, point1)| {
points.iter().skip(i).for_each(|point2| {
solution = solution.max(point1.0.abs_diff(point2.0).add(1) * point1.1.abs_diff(point2.1).add(1));
})
});
solution
}