From 36a19996da75ac2396dd1592be86405b673e12d3 Mon Sep 17 00:00:00 2001 From: deadvey Date: Mon, 1 Dec 2025 11:24:13 +0000 Subject: [PATCH 1/2] Solution for 2025-1, in rust --- 2025/1/deadvey/Cargo.lock | 7 ++++++ 2025/1/deadvey/Cargo.toml | 4 ++++ 2025/1/deadvey/src/main.rs | 48 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 59 insertions(+) create mode 100644 2025/1/deadvey/Cargo.lock create mode 100644 2025/1/deadvey/Cargo.toml create mode 100644 2025/1/deadvey/src/main.rs diff --git a/2025/1/deadvey/Cargo.lock b/2025/1/deadvey/Cargo.lock new file mode 100644 index 0000000..a41c738 --- /dev/null +++ b/2025/1/deadvey/Cargo.lock @@ -0,0 +1,7 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +version = 4 + +[[package]] +name = "deadvey" +version = "0.1.0" diff --git a/2025/1/deadvey/Cargo.toml b/2025/1/deadvey/Cargo.toml new file mode 100644 index 0000000..edf0314 --- /dev/null +++ b/2025/1/deadvey/Cargo.toml @@ -0,0 +1,4 @@ +[package] +name = "deadvey" +version = "0.1.0" +edition = "2024" diff --git a/2025/1/deadvey/src/main.rs b/2025/1/deadvey/src/main.rs new file mode 100644 index 0000000..16179ad --- /dev/null +++ b/2025/1/deadvey/src/main.rs @@ -0,0 +1,48 @@ +use std::fs; +use std::io; +use std::time::Instant; + +// Right = up/increase +// Left = down/decrease +fn main() -> io::Result<()> +{ + let start = Instant::now(); + let file_contents: String = fs::read_to_string("large.txt")?; + let lines: Vec<&str> = file_contents + .split("\n") + .collect(); + + let mut position: i32 = 50; + let mut total1: i32 = 0; + let mut total2: i32 = 0; + + println!("The dial starts by pointing at {position}"); + + for index in 0..&lines.len()-1 + { + let movement = &lines[index][0..1]; + let mut number: i32 = lines[index][1..lines[index].len()].parse().unwrap(); + + if movement == "L" { + number = -number + }; + if number < 0 { + total2 += (100 - position - number) / 100 - (position == 0) as i32 + } + else { + total2 += (number+position) / 100 + }; + position = (position + number).rem_euclid(100); + if position == 0 { + total1 += 1; + } + } + + let end = start.elapsed(); + println!("part1: {total1}"); + println!("part2: {total2}"); + println!("Took: {:.2?}",end); + + + Ok(()) +} -- 2.50.1 From f1260bd73dab907e9a90d9726e9a04bf7e3238ee Mon Sep 17 00:00:00 2001 From: deadvey Date: Mon, 1 Dec 2025 20:40:16 +0000 Subject: [PATCH 2/2] Added mememan's code and updated mine a bit --- .gitignore | 8 + 2025/1/deadvey/Cargo.lock | 1043 ++++++++++++++++++++++++++++++++++++ 2025/1/deadvey/Cargo.toml | 4 + 2025/1/deadvey/src/main.rs | 45 +- 2025/1/mememan/Cargo.toml | 6 + 2025/1/mememan/src/main.rs | 46 ++ 6 files changed, 1135 insertions(+), 17 deletions(-) create mode 100644 .gitignore create mode 100644 2025/1/mememan/Cargo.toml create mode 100644 2025/1/mememan/src/main.rs diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..19abfe9 --- /dev/null +++ b/.gitignore @@ -0,0 +1,8 @@ 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+dependencies = [ + "proc-macro2", + "quote", + "syn", +] diff --git a/2025/1/deadvey/Cargo.toml b/2025/1/deadvey/Cargo.toml index edf0314..046bd75 100644 --- a/2025/1/deadvey/Cargo.toml +++ b/2025/1/deadvey/Cargo.toml @@ -2,3 +2,7 @@ name = "deadvey" version = "0.1.0" edition = "2024" + +[dependencies] +tokio = { version = "1.48.0", features = ["macros", "rt-multi-thread"] } +trash_parallelism = "0.1.102" diff --git a/2025/1/deadvey/src/main.rs b/2025/1/deadvey/src/main.rs index 16179ad..a11c469 100644 --- a/2025/1/deadvey/src/main.rs +++ b/2025/1/deadvey/src/main.rs @@ -1,29 +1,31 @@ use std::fs; -use std::io; use std::time::Instant; // Right = up/increase // Left = down/decrease -fn main() -> io::Result<()> +#[tokio::main] +async fn main() { - let start = Instant::now(); - let file_contents: String = fs::read_to_string("large.txt")?; - let lines: Vec<&str> = file_contents - .split("\n") - .collect(); - let mut position: i32 = 50; let mut total1: i32 = 0; let mut total2: i32 = 0; - println!("The dial starts by pointing at {position}"); + let start = Instant::now(); + let file_contents: String = fs::read_to_string("../large.txt").unwrap(); + //let file_contents = read_file_to_string_async("large.txt").await.unwrap(); + let file_read = start.elapsed(); + let mut lines: Vec<&str> = file_contents + .split("\n") + .collect(); + lines.pop(); + let preamble = start.elapsed(); - for index in 0..&lines.len()-1 + for line in lines { - let movement = &lines[index][0..1]; - let mut number: i32 = lines[index][1..lines[index].len()].parse().unwrap(); + let movement = line.chars().next().unwrap(); + let mut number: i32 = line[1..line.len()].parse().unwrap(); - if movement == "L" { + if movement == 'L' { number = -number }; if number < 0 { @@ -41,8 +43,17 @@ fn main() -> io::Result<()> let end = start.elapsed(); println!("part1: {total1}"); println!("part2: {total2}"); - println!("Took: {:.2?}",end); - - - Ok(()) + println!("Times: + File read: {:.2?} + Preamble: {:.2?} + Loop: {:.2?} + Average Loop: {:.2?} + Total: {:.2?} + ", + file_read, + preamble, + end-preamble, + (end-preamble)/(100000).try_into().unwrap(), + end); } + diff --git a/2025/1/mememan/Cargo.toml b/2025/1/mememan/Cargo.toml new file mode 100644 index 0000000..6d707b4 --- /dev/null +++ b/2025/1/mememan/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "mememan" +version = "0.1.0" +edition = "2024" + +[dependencies] diff --git a/2025/1/mememan/src/main.rs b/2025/1/mememan/src/main.rs new file mode 100644 index 0000000..0404992 --- /dev/null +++ b/2025/1/mememan/src/main.rs @@ -0,0 +1,46 @@ +use std::fs; + +fn main() { + let start = std::time::Instant::now(); + let raw = fs::read_to_string("../large.txt").unwrap(); + let mut formatted: Vec<&str> = raw.split("\n").collect(); + formatted.pop(); + let mut point: i32 = 50; + let mut password_one = 0; + let mut password_two = 0; + for rot in formatted { + let mut chars = rot.chars(); + let dir = chars.next().unwrap(); + let dist = chars.as_str().parse::().unwrap(); + if dir == 'L' { + if point - dist < 1 { + password_two += ((point - dist).abs() as f32 / 100.0).ceil() as i32; + point = (point - dist).rem_euclid(100); + if point == 0 { + password_one +=1; + } + // dbg!(point, ((point - dist).abs() as f32 / 100.0).ceil()); + continue; + } + point = (point - dist).rem_euclid(100); + + } else { + if point + dist > 99 { + password_two += ((point + dist) as f32 / 100.0).floor() as i32; + point = (point + dist).rem_euclid(100); + if point == 0 { + password_one += 1; + } + // dbg!(point, ((point + dist) as f32 / 100.0).floor()); + continue; + } + point = (point + dist).rem_euclid(100); + } + if point == 0 { + password_one += 1; + password_two += 1; + } + // dbg!(point); + } + dbg!(password_one, password_two, std::time::Instant::now() - start); +} -- 2.50.1