39 lines
1.1 KiB
Rust
39 lines
1.1 KiB
Rust
use std::fs::File;
|
|
use std::io::{self, BufRead};
|
|
use std::path::Path;
|
|
|
|
fn main() {
|
|
let file_path = String::from("input");
|
|
let mut result = 0;
|
|
|
|
println!("In file {}", file_path);
|
|
|
|
if let Ok(lines) = read_lines(file_path) {
|
|
// Consumes the iterator, returns an (Optional) String
|
|
for line in lines {
|
|
if let Ok(ip) = line {
|
|
match ip.as_str() {
|
|
"A X" => result += 3 + 0,
|
|
"A Y" => result += 1 + 3,
|
|
"A Z" => result += 2 + 6,
|
|
"B X" => result += 1 + 0,
|
|
"B Y" => result += 2 + 3,
|
|
"B Z" => result += 3 + 6,
|
|
"C X" => result += 2 + 0,
|
|
"C Y" => result += 3 + 3,
|
|
"C Z" => result += 1 + 6,
|
|
_ => result += 0,
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
println!("{}", result);
|
|
}
|
|
|
|
fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
|
|
where P: AsRef<Path>, {
|
|
let file = File::open(filename)?;
|
|
Ok(io::BufReader::new(file).lines())
|
|
}
|