Download the binary for your system from Downloads page. This program expects an input like this in stdin (e.g.):
10, 20
N
FRFLF
To build this project you need cargo. On the project root:
$ cargo build --release
You can also run the tests:
$ cargo test
And the benchmark:
$ cargo bench
Check out my other repository where I'm currently solving this year's Advent of Code
(day 12 was very similar to this problem)
Cheers!