There's a Rust solution posted in the Reddit Day 1 answers mega thread which cla...

jodrellblank · on Dec 2, 2024

Can't edit my comment, here's another claiming 12.7 μs and 7 μs:

Another claiming 30μs and 32μs:

dzaima · on Dec 2, 2024

For an interesting comparison, here's BQN, an array language, at 25.5μs (on an i3-4160) for both parts, including input parsing:

jodrellblank · on Dec 7, 2024

That's very impressive.

surajrmal · on Dec 2, 2024

Sure but how long did it take to compile

jodrellblank · on Dec 2, 2024

I 'git clone' and 'cargo run' and it downloaded 16 crates and compiled all the crates and built a debug version in 29.7 seconds.

Then 'cargo build --release' took 23.3 seconds.

Commenting out one of the sort_unstable lines and rebuilding gave me a warning, recompiled in 1.8 seconds.