aoc2015day2_rs

use std::fs;
use std::cmp::min;

fn ft(l: u64, w: u64, h: u64) -> u64 {
    l * w * h + min(min(l + w, l + h), min(l + w, w + h)) * 2
}

fn sqft(l: u64, w: u64, h: u64) -> u64 {
    2 * l * w + 2 * w * h + 2 * h * l + min(min(l * w, l * h), min(l * w, w * h))
}

fn main() {
    println!("AoC 2015, Day 2");

    let file = fs::read_to_string("/home/michelle/AoC_2015/Day_2/input.txt")
        .expect("Failed to open file!");
    let mut feet = 0u64;
    let mut square_feet = 0u64;

    for i in file.split_terminator('\n') {
        if i == "" {
            break;
        }

        let mut params: Vec<u64> = Vec::new();

        for j in i.split('x') {
            params.push(j.parse::<u64>().unwrap());
        }

        feet += ft(params[0], params[1], params[2]);
        square_feet += sqft(params[0], params[1], params[2]);
    }

    println!("Part 1: {}", square_feet);
    println!("Part 2: {}", feet);
}