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

---
 2024/07/rust/Cargo.lock  |  7 -----
 2024/07/rust/Cargo.toml  |  6 ----
 2024/07/rust/src/main.rs | 71 ------------------------------------------------
 3 files changed, 84 deletions(-)
 delete mode 100644 2024/07/rust/Cargo.lock
 delete mode 100644 2024/07/rust/Cargo.toml
 delete mode 100644 2024/07/rust/src/main.rs

(limited to '2024/07/rust')

diff --git a/2024/07/rust/Cargo.lock b/2024/07/rust/Cargo.lock
deleted file mode 100644
index d1897ed..0000000
--- a/2024/07/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_2024-07"
-version = "0.1.0"
diff --git a/2024/07/rust/Cargo.toml b/2024/07/rust/Cargo.toml
deleted file mode 100644
index c64c1b5..0000000
--- a/2024/07/rust/Cargo.toml
+++ /dev/null
@@ -1,6 +0,0 @@
-[package]
-name = "aoc_2024-07"
-version = "0.1.0"
-edition = "2021"
-
-[dependencies]
diff --git a/2024/07/rust/src/main.rs b/2024/07/rust/src/main.rs
deleted file mode 100644
index df586b1..0000000
--- a/2024/07/rust/src/main.rs
+++ /dev/null
@@ -1,71 +0,0 @@
-use std::io;
-
-fn main() -> io::Result<()> {
-    let eqns = io::stdin()
-        .lines()
-        .flatten()
-        .collect::<Vec<_>>()
-        .iter()
-        .map(|line| line.split_once(": ").unwrap())
-        .map(|(ans, nums)| {
-            (
-                ans.parse::<u64>().unwrap(),
-                nums.split_whitespace()
-                    .map(|s| s.parse::<u64>().unwrap())
-                    .collect::<Vec<_>>(),
-            )
-        })
-        .collect::<Vec<_>>();
-
-    let silver: u64 = eqns.iter().map(crate::silver).sum();
-    let gold: u64 = eqns.iter().map(crate::gold).sum();
-
-    println!("silver: {silver}");
-    println!("gold: {gold}");
-
-    return Ok(());
-}
-
-fn concat(x: &u64, y: &u64) -> u64 {
-    x * (10u64.pow(y.ilog10() + 1)) + y
-}
-
-fn calibration(want: u64, x: &u64, y: &u64, rest: &[u64], gold: bool) -> bool {
-    if *x > want {
-        return false;
-    }
-    match rest {
-        [] => want == x + y || want == x * y || (gold && want == concat(x, y)),
-        [z, rest @ ..] => {
-            calibration(want, &(x + y), z, rest, gold)
-                || calibration(want, &(x * y), z, rest, gold)
-                || (gold && calibration(want, &concat(x, y), z, rest, gold))
-        }
-    }
-}
-
-fn silver((want, nums): &(u64, Vec<u64>)) -> u64 {
-    match nums.as_slice() {
-        [x, y, rest @ ..] => {
-            if calibration(*want, x, y, rest, false) {
-                *want
-            } else {
-                0
-            }
-        }
-        _ => 0,
-    }
-}
-
-fn gold((want, nums): &(u64, Vec<u64>)) -> u64 {
-    match nums.as_slice() {
-        [x, y, rest @ ..] => {
-            if calibration(*want, x, y, rest, true) {
-                *want
-            } else {
-                0
-            }
-        }
-        _ => 0,
-    }
-}
-- 
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