path: root/2015/rs/code/two/src/main.rs

static INPUT: &'static str = include_str!("input.txt");

fn main() {
  let valueified = INPUT
    .split('\n')
    .filter(|s| !s.is_empty())
    .map(|line| {
      let mut nums = line
        .split('x')
        .map(str::parse::<u32>)
        .map(Result::unwrap);
      (nums.next().unwrap(), nums.next().unwrap(), nums.next().unwrap())
     });

  let final_area: u32 = valueified.clone()
    .map(|(w, l, h)| {
      let sides = [w*h, l*w, h*l];
      sides.into_iter().min().unwrap() + sides.into_iter().sum::<u32>() * 2
    })
    .sum();
  println!("Final area: {final_area}");

  let ribbon_length: u32 = valueified
    .map(|(w, l, h)| {
      let mut nums = [w, l, h];
      nums.sort();
      (nums[0] + nums[1]) * 2 + (w * l * h)
    })
    .sum();
  println!("Ribbon length: {ribbon_length}");
}