From 86bac31392a76da84817eec020d2b84d099b3cc1 Mon Sep 17 00:00:00 2001
From: mhsn <mail@mhsn.net>
Date: Wed, 18 Mar 2026 21:48:13 +0000
Subject: add other challenges support

---
 2024/04/rust/src/main.rs | 82 ------------------------------------------------
 1 file changed, 82 deletions(-)
 delete mode 100644 2024/04/rust/src/main.rs

(limited to '2024/04/rust/src/main.rs')

diff --git a/2024/04/rust/src/main.rs b/2024/04/rust/src/main.rs
deleted file mode 100644
index 191e461..0000000
--- a/2024/04/rust/src/main.rs
+++ /dev/null
@@ -1,82 +0,0 @@
-use std::io;
-
-fn main() -> io::Result<()> {
-    let grid = io::stdin()
-        .lines()
-        .flatten()
-        .map(|line| line.chars().collect())
-        .collect::<Vec<Vec<char>>>();
-    let grid = Grid(grid);
-
-    let silver: usize = silver(&grid);
-    let gold: usize = gold(&grid);
-
-    println!("silver: {silver}");
-    println!("gold: {gold}");
-
-    return Ok(());
-}
-
-struct Grid(Vec<Vec<char>>);
-
-impl Grid {
-    fn at(&self, (x, y): (isize, isize)) -> Option<&char> {
-        self.0
-            .get(usize::try_from(y).ok()?)?
-            .get(usize::try_from(x).ok()?)
-    }
-
-    fn check<'a>(
-        &self,
-        (x, y): (isize, isize),
-        mut pat: impl Iterator<Item = &'a ((isize, isize), char)>,
-    ) -> bool {
-        pat.all(|((dx, dy), ch)| self.at((x + dx, y + dy)).is_some_and(|c| c == ch))
-    }
-
-    fn pts(&self) -> impl Iterator<Item = (isize, isize)> + use<'_> {
-        (0..self.0[0].len()).flat_map(|x| (0..self.0.len()).map(move |y| (x as isize, y as isize)))
-    }
-}
-
-fn silver(grid: &Grid) -> usize {
-    let dirs = vec![
-        (-1, -1),
-        (-1, 0),
-        (-1, 1),
-        (0, -1),
-        (0, 1),
-        (1, -1),
-        (1, 0),
-        (1, 1),
-    ];
-
-    let xmases: Vec<Vec<((isize, isize), char)>> = dirs
-        .iter()
-        .map(|(dx, dy)| {
-            (0..4)
-                .map(move |n| (dx * n, dy * n))
-                .zip("XMAS".chars())
-                .collect()
-        })
-        .collect();
-
-    grid.pts()
-        .flat_map(|p| xmases.iter().map(move |xmas| grid.check(p, xmas.iter())))
-        .filter(|p| *p)
-        .count()
-}
-
-fn gold(grid: &Grid) -> usize {
-    let dirs = vec![(-1, -1), (1, -1), (0, 0), (-1, 1), (1, 1)];
-
-    let xmases: Vec<Vec<((isize, isize), char)>> = vec!["MMASS", "SMASM", "SSAMM", "MSAMS"]
-        .iter()
-        .map(|x| dirs.clone().into_iter().zip(x.chars()).collect())
-        .collect();
-
-    grid.pts()
-        .flat_map(|p| xmases.iter().map(move |xmas| grid.check(p, xmas.iter())))
-        .filter(|p| *p)
-        .count()
-}
-- 
cgit v1.2.3