84 lines
2.7 KiB
Rust
84 lines
2.7 KiB
Rust
use std::{fs, cmp::max};
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fn main() {
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let input = fs::read_to_string("input.txt").unwrap();
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let input: Vec<_> = input.split('\n').collect();
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let mut sum = 0;
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for line in input {
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let split:Vec<_> = line.split(':').collect();
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let rounds: Vec<_> = split.last().unwrap().split(';').collect();
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let rounds: Vec<_> = rounds.iter()
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.map(|x| {
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x.split(',').collect::<Vec<_>>()
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}).collect();
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let rounds: Vec<_> = rounds.iter()
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.map(|x| {
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x.iter().map(|x| {
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x.trim().split(' ').collect::<Vec<_>>()
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}).collect::<Vec<_>>()
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}).collect();
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let (mut r_max, mut g_max, mut b_max) = (0, 0, 0);
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for round in rounds {
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for set in round {
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let color = set.last().unwrap();
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let num: i32 = set.first().unwrap().parse().unwrap();
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match *color {
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"red" => r_max = max(num, r_max),
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"blue" => b_max = max(num, b_max),
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"green" => g_max = max(num, g_max),
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&_ => todo!()
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}
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}
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}
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//println!("{}", r_max);
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sum += r_max * g_max * b_max;
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}
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println!("{}", sum);
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}
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// use std::fs;
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// fn main() {
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// let input = fs::read_to_string("input.txt").unwrap();
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// let input: Vec<_> = input.split('\n').collect();
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// let mut game_id = 0;
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// let (r_max, g_max, b_max) = (12, 13, 14);
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// let mut sum = 0;
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// for line in input {
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// game_id += 1;
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// let split:Vec<_> = line.split(':').collect();
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// let rounds: Vec<_> = split.last().unwrap().split(';').collect();
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// let rounds: Vec<_> = rounds.iter().map(|x| x.split(',').collect::<Vec<_>>()).collect();
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// let rounds: Vec<_> = rounds.iter().map(|x| x.iter().map(|x| x.trim().split(' ').collect::<Vec<_>>()).collect::<Vec<_>>()).collect();
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// let mut sad = false;
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// for round in rounds {
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// let (mut r_cur, mut g_cur, mut b_cur) = (0, 0, 0);
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// for set in round {
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// let color = set.last().unwrap();
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// let num: i32 = set.first().unwrap().parse().unwrap();
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// match *color {
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// "red" => r_cur += num,
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// "blue" => b_cur += num,
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// "green" => g_cur += num,
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// &_ => todo!()
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// }
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// }
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// if r_cur > r_max || b_cur > b_max || g_cur > g_max {
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// sad = true;
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// }
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// }
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// if !sad {
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// sum += game_id;
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// }
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// }
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// println!("{}", sum);
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// }
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