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authormhsn <mail@mhsn.net>2026-03-18 21:48:13 +0000
committermhsn <mail@mhsn.net>2026-03-18 21:48:13 +0000
commit86bac31392a76da84817eec020d2b84d099b3cc1 (patch)
treee2ee52db59b86b914d5b4bcceb19c9b5d899fff4 /2025/03/rust
parent62fe361fc42dea75deaf7ac31c0ba6ba80e26a9c (diff)
downloadpuzzles-master.tar.gz
puzzles-master.zip
add other challenges supportHEADmaster
Diffstat (limited to '2025/03/rust')
-rw-r--r--2025/03/rust/Cargo.lock7
-rw-r--r--2025/03/rust/Cargo.toml6
-rw-r--r--2025/03/rust/src/main.rs42
3 files changed, 0 insertions, 55 deletions
diff --git a/2025/03/rust/Cargo.lock b/2025/03/rust/Cargo.lock
deleted file mode 100644
index 7f2fe0f..0000000
--- a/2025/03/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_2025-03"
-version = "0.1.0"
diff --git a/2025/03/rust/Cargo.toml b/2025/03/rust/Cargo.toml
deleted file mode 100644
index c0441da..0000000
--- a/2025/03/rust/Cargo.toml
+++ /dev/null
@@ -1,6 +0,0 @@
-[package]
-name = "aoc_2025-03"
-version = "0.1.0"
-edition = "2024"
-
-[dependencies]
diff --git a/2025/03/rust/src/main.rs b/2025/03/rust/src/main.rs
deleted file mode 100644
index be0b3e6..0000000
--- a/2025/03/rust/src/main.rs
+++ /dev/null
@@ -1,42 +0,0 @@
-use std::io;
-
-fn max(bs: &Vec<u8>, start: usize, end: usize) -> (u8, usize) {
- let mut bests = [None; 10];
- for idx in start..=end {
- if bs[idx] == 9 {
- return (9, idx);
- }
- bests[bs[idx] as usize].get_or_insert((bs[idx], idx));
- }
- bests.into_iter().flatten().last().unwrap()
-}
-
-fn jolt(bs: &Vec<u8>, n: usize) -> u64 {
- let mut j: u64 = 0;
- let mut start = 0;
- for n in (1..=n).rev() {
- j *= 10;
- let (b, idx) = max(bs, start, bs.len() - n);
- j += b as u64;
- start = idx + 1;
- }
- j
-}
-
-fn main() {
- let (silver, gold) = io::stdin()
- .lines()
- .flatten()
- .map(|line| {
- line.into_bytes()
- .iter()
- .map(|&x| x - b'0')
- .collect::<Vec<u8>>()
- })
- .map(|bs| (jolt(&bs, 2), jolt(&bs, 12)))
- .reduce(|(a0, a1), (x0, x1)| (a0 + x0, a1 + x1))
- .unwrap();
-
- println!("silver: {silver}");
- println!("gold: {gold}");
-}