add other challenges supportHEADmaster

3 files changed, 0 insertions, 126 deletions

diff --git a/2025/09/rust/Cargo.lock b/2025/09/rust/Cargo.lock
deleted file mode 100644
index 1a33f1f..0000000
--- a/2025/09/rust/Cargo.lock
+++ /dev/null
@@ -1,7 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 4
-
-[[package]]
-name = "aoc_2025-09"
-version = "0.1.0"
diff --git a/2025/09/rust/Cargo.toml b/2025/09/rust/Cargo.toml
deleted file mode 100644
index a713c42..0000000
--- a/2025/09/rust/Cargo.toml
+++ /dev/null
@@ -1,6 +0,0 @@
-[package]
-name = "aoc_2025-09"
-version = "0.1.0"
-edition = "2024"
-
-[dependencies]
diff --git a/2025/09/rust/src/main.rs b/2025/09/rust/src/main.rs
deleted file mode 100644
index 32847e3..0000000
--- a/2025/09/rust/src/main.rs
+++ /dev/null
@@ -1,113 +0,0 @@
-use std::io;
-
-#[derive(Debug)]
-struct Floor {
-    x_comp: Vec<usize>,
-    y_comp: Vec<usize>,
-}
-
-impl Floor {
-    fn new(pts: Vec<(usize, usize)>) -> (Self, Vec<(usize, usize)>) {
-        let (mut xs, mut ys): (Vec<_>, Vec<_>) = pts.clone().into_iter().unzip();
-        xs.sort_unstable();
-        xs.dedup();
-        ys.sort_unstable();
-        ys.dedup();
-
-        let pts = pts
-            .into_iter()
-            .map(|(x, y)| (xs.binary_search(&x).unwrap(), ys.binary_search(&y).unwrap()))
-            .collect();
-
-        (
-            Self {
-                x_comp: xs,
-                y_comp: ys,
-            },
-            pts,
-        )
-    }
-
-    fn uncomp(&self, (x, y): (usize, usize)) -> (usize, usize) {
-        (self.x_comp[x], self.y_comp[y])
-    }
-
-    fn area(&self, (p1, p2): ((usize, usize), (usize, usize))) -> usize {
-        let (x1, y1) = self.uncomp(p1);
-        let (x2, y2) = self.uncomp(p2);
-        (x1.abs_diff(x2) + 1) * (y1.abs_diff(y2) + 1)
-    }
-}
-
-fn main() {
-    let pts = io::stdin()
-        .lines()
-        .flatten()
-        .map(|line| {
-            let (x, y) = line.split_once(',').unwrap();
-            (x.parse().unwrap(), y.parse().unwrap())
-        })
-        .collect::<Vec<(usize, usize)>>();
-
-    let (floor, pts) = Floor::new(pts);
-
-    let xmax = *pts.iter().map(|(x, _)| x).max().unwrap();
-    let ymax = *pts.iter().map(|(_, y)| y).max().unwrap();
-
-    // some padding so that flood fill works correctly
-    let mut grid: Vec<Vec<Option<bool>>> = vec![vec![None; xmax + 3]; ymax + 3];
-
-    // draw green/red tiles
-    for pair in [vec![*pts.last().unwrap()], pts.clone()]
-        .concat()
-        .windows(2)
-    {
-        let (x1, y1) = pair[0];
-        let (x2, y2) = pair[1];
-        (x1.min(x2)..=x1.max(x2)).for_each(|x| {
-            (y1.min(y2)..=(y1.max(y2))).for_each(|y| grid[y + 1][x + 1] = Some(true))
-        });
-    }
-
-    // flood fill from top left
-    let mut q = vec![(0, 0)];
-    while let Some((x, y)) = q.pop() {
-        grid[y][x] = Some(false);
-        let ns = vec![
-            (x.saturating_sub(1), y),
-            ((x + 1).min(xmax + 2), y),
-            (x, y.saturating_sub(1)),
-            (x, (y + 1).min(ymax + 2)),
-        ];
-        q.extend(ns.into_iter().filter(|&(x, y)| grid[y][x].is_none()));
-    }
-
-    // replace inside cells with Some(true) and undo the padding
-    let grid: Vec<Vec<bool>> = grid
-        .into_iter()
-        .skip(1)
-        .map(|r| r.into_iter().skip(1).map(|c| c.unwrap_or(true)).collect())
-        .collect();
-
-    let mut rectangles = pts
-        .iter()
-        .enumerate()
-        .flat_map(|(idx, p1)| pts.iter().take(idx).map(move |p2| (*p1, *p2)))
-        .collect::<Vec<_>>();
-    rectangles.sort_unstable_by_key(|&r| std::cmp::Reverse(floor.area(r)));
-
-    let silver: usize = floor.area(*rectangles.first().unwrap());
-    let gold: usize = floor.area(
-        *rectangles
-            .iter()
-            .filter(|&&((x1, y1), (x2, y2))| {
-                (x1.min(x2)..=x1.max(x2))
-                    .flat_map(|x| (y1.min(y2)..=y1.max(y2)).map(move |y| (x, y)))
-                    .all(|(x, y)| grid[y][x])
-            })
-            .next()
-            .unwrap(),
-    );
-    println!("silver: {silver}");
-    println!("gold: {gold}");
-}