adventofcode2022/day12/part1.rs

27 lines
887 B
Rust

// Copyright 2022 Christian Ulrich
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// usage: ./part1 < input
pub mod common;
use common::Map;
fn main() -> Result<(), &'static str> {
let map = Map::from_stdin()?;
println!("{:?}", map.shortest_path().count());
Ok(())
}