advent-of-code/2024/day-03/part_one.rs

20 lines
313 B
Rust

mod parser;
use std::env;
use parser::PuzzleInput;
fn main() {
let input_file = env::args().nth(1).expect("file name required");
let input = PuzzleInput::parse(input_file, false);
let mut sum: u64 = 0;
for (a, b) in input.instructions {
sum += a * b;
}
println!("{sum}");
}