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author | alyx <alyx@aleteoryx.me> | 2023-11-20 17:12:15 -0500 |
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committer | alyx <alyx@aleteoryx.me> | 2023-11-20 17:12:15 -0500 |
commit | ccf1a5828fc26a82545c7accf1ce7916daa08a2d (patch) | |
tree | 2428c1374e8f9bcbfd00c8090606f4781d083401 /2015/rs/code/six/src/main.rs | |
parent | 4810e24657a5931ea79be3fc3ee3e108fe40282e (diff) | |
download | adventofcode-ccf1a5828fc26a82545c7accf1ce7916daa08a2d.tar.gz adventofcode-ccf1a5828fc26a82545c7accf1ce7916daa08a2d.tar.bz2 adventofcode-ccf1a5828fc26a82545c7accf1ce7916daa08a2d.zip |
Reorganize using workspaces
Diffstat (limited to '2015/rs/code/six/src/main.rs')
-rw-r--r-- | 2015/rs/code/six/src/main.rs | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/2015/rs/code/six/src/main.rs b/2015/rs/code/six/src/main.rs new file mode 100644 index 0000000..6342cd9 --- /dev/null +++ b/2015/rs/code/six/src/main.rs @@ -0,0 +1,57 @@ +static INPUT: &'static str = include_str!("input.txt"); + +#[derive(Debug)] +enum LightCommand { + TurnOff, + TurnOn, + Toggle +} + +fn main() { + let valueified = INPUT.split('\n').filter(|s| !s.is_empty()).map(|s| { + let mut rsplit = s.rsplit(' '); + let mut cd = rsplit.next().unwrap().split(',').map(str::parse::<usize>).map(Result::unwrap); + let mut ab = rsplit.nth(1).unwrap().split(',').map(str::parse::<usize>).map(Result::unwrap); + let ab = (ab.next().unwrap(), ab.next().unwrap()); + let cd = (cd.next().unwrap(), cd.next().unwrap()); + match &s[0..7] { + "turn on" => (LightCommand::TurnOn, ab,cd), + "toggle " => (LightCommand::Toggle, ab,cd), + "turn of" => (LightCommand::TurnOff, ab,cd), + _ => unreachable!() + } + }); + + let mut lights = vec![false; 1_000_000]; + for (cmd, (x1, y1), (x2, y2)) in valueified.clone() { + use LightCommand::*; + for x in x1..=x2 { + for y in y1..=y2 { + match cmd { + TurnOff => { lights[x + y * 1000] = false; }, + TurnOn => { lights[x + y * 1000] = true; }, + Toggle => { lights[x + y * 1000] = !lights[x + y * 1000]; } + } + } + } + } + let light_count = lights.into_iter().filter(|a| *a).count(); + println!("Lit light count: {light_count}"); + + let mut lights = vec![0u64; 1_000_000]; + for (cmd, (x1, y1), (x2, y2)) in valueified { + use LightCommand::*; + for x in x1..=x2 { + for y in y1..=y2 { + match cmd { + TurnOff if lights[x + y * 1000] != 0 => { lights[x + y * 1000] -= 1; }, + TurnOn => { lights[x + y * 1000] += 1; }, + Toggle => { lights[x + y * 1000] += 2 }, + _ => () + } + } + } + } + let light_count = lights.into_iter().sum::<u64>(); + println!("Lit light count(Ancient Nordic Elvish): {light_count}"); +} |