MrRobb / advent-of-code-2021

Rust solutions of Advent of Code 2021

Advent of Code 2021

	Problem	Solution	Execution time	Finished
Day 1	Problem 1	day1.rs	26.920 μs + 26.927 μs	✓
Day 2	Problem 2	day2.rs	25.295 μs + 29.425 μs	✓
Day 3	Problem 3	day3.rs	53.085 μs + 496.60 μs	✓
Day 4	Problem 4	day4.rs	418.32 μs + 1.8037 ms	✓
Day 5	Problem 5	day5.rs	748.14 μs + 848.71 μs	✓
Day 6	Problem 6	day6.rs	2.7375 μs + 2.8628 μs	✓
Day 7	Problem 7	day7.rs	23.143 μs + 15.143 μs	✓
Day 8	Problem 8	day8.rs	16.999 μs + 56.899 μs	✓
Day 9	Problem 9	day9.rs	75.215 μs + 205.23 μs	✓
Day 10	Problem 10	day10.rs	28.089 μs + 28.422 μs	✓
Day 11	Problem 11	day11.rs	59.261 μs + 200.58 μs	✓
Day 12	Problem 12	day12.rs	279.21 μs + 5.0878 ms	✓
Day 13	Problem 13	day13.rs	106.94 μs + 160.80 μs	✓
Day 14	Problem 14	day14.rs	68.580 μs + 272.22 μs	✓
Day 15	Problem 15	day15.rs	1.6114 ms + 22.996 ms	✓
Day 16	Problem 16	day16.rs	28.969 μs + 29.466 μs	✓
Day 17	Problem 17	day17.rs	154.66 ns + 4.3031 ms	✓
Day 18
Day 19
Day 20
Day 21	Problem 21	day21.rs	9.5767 μs + 401.30 ns	✓
Day 22	Problem 22	day22.rs	404.58 ms + 54.421 ms	✓
Day 23
Day 24
Day 25

The benchmarks are measured (non-scientifically) with cargo-criterion on a Macbook Pro 13' M1.

Benchmark all

Benchmark 1: ./target/release/advent-of-code-2021
  Time (mean ± σ):      12.6 ms ±   0.4 ms    [User: 45.9 ms, System: 3.0 ms]
  Range (min … max):    12.1 ms …  14.5 ms    200 runs

Install Rust

If you don't have Rust installed (how dare you) just run this:

curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh

If you are not using a Unix-like OS, check the instructions here

Usage

Clone

git clone https://github.com/MrRobb/advent-of-code-2021.git
cd advent-of-code-2021

Build

cargo build --release

Run

Run all

cargo run --release

Run a specific day

cargo run --release --bin day1