diff --git a/day12/Cargo.lock b/day12/Cargo.lock new file mode 100644 index 0000000..5e9bbe3 --- /dev/null +++ b/day12/Cargo.lock @@ -0,0 +1,7 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +version = 3 + +[[package]] +name = "day12" +version = "0.1.0" diff --git a/day12/Cargo.toml b/day12/Cargo.toml new file mode 100644 index 0000000..ba13763 --- /dev/null +++ b/day12/Cargo.toml @@ -0,0 +1,8 @@ +[package] +name = "day12" +version = "0.1.0" +edition = "2021" + +# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html + +[dependencies] diff --git a/day12/input.txt b/day12/input.txt new file mode 100644 index 0000000..7f1b7da --- /dev/null +++ b/day12/input.txt @@ -0,0 +1,41 @@ +abcccccccccccaaaaacccccccaaaaaaccccccccccccccccccccccccccccccccaaaaaaaaaaaaaacccccccccccccccccccaaaaaacccccccacccccccccaaccaaccccccccccccccccccccccccccccccaaaaaa 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+abaacccccccccccccaccaaaaacaaaaccccccccaaaccccccaaaacccccccccaaaaccaaaaaaaaaaccaacaaaccccccaaaccccccccccccaaaaaacccccaaaaaaacccccccccccccaaaaccggggcccccccccccccaa +abaacccccccccccccccaaacaccaaaacccccaaaaaaaaccccaaaccccccccccccaaccaaaaaaaacccccccaacccccaacaaaaacccccccccaaaaaacccccaaaaaaaaccccccccccccaaaccccccccccccccccaaacaa +abcccccccccccccccccaaccccccccccccccaaaaaaaaccccccccccccccccccccaaaaaaaaaaaccccccccccccccaaaaaaaacccccccccaaaaaacccccaaaaaaaaccccccccccccacaccccccccccccccccaaaaaa +abccccccccccccccccccccccccccccccccccaaaaaacccccccccccccccccccccaaaaaaaaaaaaccccccccccccccaaaaaaccccccccccaaaaaccccccccaaacccccccccccccccccccccccccccccccccccaaaaa diff --git a/day12/src/main.rs b/day12/src/main.rs new file mode 100644 index 0000000..de79eaa --- /dev/null +++ b/day12/src/main.rs @@ -0,0 +1,31 @@ +use std::env; +use std::fs::File; +use std::io::{self, BufRead}; +use std::collections::BinaryHeap; +use std::cmp::Reverse; + +fn find(haystack: &Vec>, needle: T) -> (usize, usize) { + // I just wanna play around with iters; there are better ways... + haystack.iter().enumerate() + .map(|(i, &ref row)| + (i, row.iter().enumerate() + .filter(|(_j, &ref c)| *c == needle) + .map(|(j, _c)| j) + .collect::>())) + .filter(|(_i, row)| !row.is_empty()) + .map(|(i, row)| (i, *row.iter().nth(0).unwrap())) + .nth(0).unwrap() +} + +fn main() { + let file = File::open(&env::args().nth(1).unwrap()).unwrap(); + let map: Vec> = io::BufReader::new(file).lines().flatten() + .map(|line| line.chars().map(|c| c as u8).collect()) + .collect(); + let (starti, startj) = find(&map, 'S' as u8); + let (endi, endj) = find(&map, 'E' as u8); + + println!("{:?}", map); + println!("{:?}, {:?} -> {:?}, {:?}", starti, startj, endi, endj); +} + diff --git a/day12/test.txt b/day12/test.txt new file mode 100644 index 0000000..86e9cac --- /dev/null +++ b/day12/test.txt @@ -0,0 +1,5 @@ +Sabqponm +abcryxxl +accszExk +acctuvwj +abdefghi