diff options
Diffstat (limited to '12')
| -rw-r--r-- | 12/Cargo.toml | 11 | ||||
| -rw-r--r-- | 12/input | 774 | ||||
| -rw-r--r-- | 12/input.small | 5 | ||||
| -rw-r--r-- | 12/src/main.rs | 144 | ||||
| -rw-r--r-- | 12/tests/main.rs | 14 |
5 files changed, 948 insertions, 0 deletions
diff --git a/12/Cargo.toml b/12/Cargo.toml new file mode 100644 index 0000000..441770e --- /dev/null +++ b/12/Cargo.toml @@ -0,0 +1,11 @@ +[package] +name = "advent_12" +version = "0.1.0" +authors = ["Irene Knapp <ireneista@gmail.com>"] +edition = "2018" + +[dependencies] +advent_lib = { path = "../lib" } + +[dev-dependencies] +assert_cmd = "0.10" diff --git a/12/input b/12/input new file mode 100644 index 0000000..7b923fc --- /dev/null +++ b/12/input @@ -0,0 +1,774 @@ +E2 +L180 +S4 +R90 +S1 +F49 +N2 +F18 +N2 +L180 +S5 +L90 +E3 +N2 +F11 +L180 +N5 +W3 +L180 +W2 +N5 +F80 +R90 +F89 +N1 +L180 +N2 +R180 +E4 +R90 +S1 +L90 +N5 +R180 +N2 +F17 +L90 +E2 +F58 +W5 +L90 +W3 +N3 +F78 +L90 +N4 +L90 +F15 +W1 +R90 +S1 +W4 +R90 +F41 +W4 +S4 +F37 +E5 +S1 +E3 +F19 +R90 +S1 +W4 +S2 +E2 +L180 +F51 +W5 +R90 +F76 +E2 +F40 +N4 +R180 +E5 +N3 +F72 +S4 +R90 +F99 +E3 +F76 +W5 +R90 +E2 +S5 +R180 +F76 +N4 +L180 +F10 +F83 +S1 +F46 +L90 +S5 +E1 +S1 +F14 +N4 +E1 +R180 +E1 +R180 +S3 +F52 +L90 +S4 +L90 +W3 +F18 +S2 +F81 +L180 +F76 +L180 +W1 +S2 +F73 +N2 +F77 +W1 +F28 +L180 +N2 +F76 +L180 +W5 +F61 +N4 +E2 +R180 +S2 +L90 +F14 +R180 +N5 +E4 +F11 +E1 +L90 +N3 +E3 +F58 +W3 +F72 +W1 +N2 +W5 +F44 +L90 +W4 +F37 +L90 +F4 +W5 +N3 +F57 +N4 +L90 +S2 +F43 +S4 +W3 +S5 +F84 +S2 +L90 +N1 +R180 +W3 +L180 +N2 +W3 +R90 +N2 +R90 +F66 +L90 +F73 +E4 +S2 +L270 +W2 +E2 +S4 +E1 +R90 +W1 +F49 +L270 +F70 +S3 +W1 +N2 +E1 +F65 +W3 +R90 +F27 +E5 +F80 +S4 +W5 +F68 +E5 +R90 +F94 +W2 +L90 +F37 +L180 +E1 +F38 +N2 +F15 +N4 +E3 +L90 +E1 +R90 +S1 +E5 +N4 +N2 +E4 +L270 +N4 +R90 +E1 +S4 +E4 +F71 +E2 +R180 +N5 +E3 +F17 +L90 +N2 +W1 +L90 +F62 +W1 +F85 +W1 +L180 +F33 +S4 +W1 +N5 +F81 +W2 +R90 +S2 +F49 +L180 +S5 +F4 +W4 +N3 +W1 +F17 +R90 +W4 +N4 +E4 +N3 +L90 +S2 +R90 +S3 +L90 +E4 +R90 +S5 +F88 +S1 +L180 +N5 +E5 +F55 +R90 +F81 +E5 +L180 +R90 +F55 +R90 +W5 +F13 +R90 +N5 +F58 +L180 +S5 +F27 +E4 +S3 +F42 +R90 +F39 +W3 +S3 +F31 +S4 +L90 +W1 +S3 +W3 +N4 +W2 +S3 +L90 +F61 +E1 +F23 +S2 +F31 +S3 +L180 +W1 +N1 +L90 +N3 +F81 +E2 +N1 +R90 +F64 +S4 +F88 +E1 +N5 +W1 +S3 +F10 +N5 +L90 +F58 +S1 +R90 +E3 +L90 +N4 +F94 +S1 +W1 +S4 +L90 +F51 +L180 +N4 +R90 +L90 +N4 +F66 +W2 +S3 +S3 +W4 +F68 +L90 +F42 +E1 +F43 +R90 +N3 +F20 +E1 +N3 +E4 +N3 +F4 +S4 +R180 +W1 +R270 +N3 +F86 +L90 +E5 +F84 +N3 +W3 +F16 +L90 +N2 +E3 +L90 +S5 +E5 +F53 +L270 +N2 +F91 +R90 +E5 +N4 +F57 +E5 +S5 +F61 +S4 +F89 +E3 +N3 +N5 +F3 +S5 +F59 +E5 +F66 +R180 +S1 +W1 +N2 +R180 +S4 +E2 +L90 +N1 +W2 +F13 +L90 +E5 +F6 +W3 +F78 +E1 +F7 +W1 +N4 +W5 +F58 +R90 +E4 +N3 +E5 +N3 +W1 +S3 +R90 +F16 +L90 +F93 +R270 +N5 +F2 +W1 +S3 +F54 +R270 +F18 +R180 +F95 +L90 +W1 +E4 +N2 +W1 +L90 +S2 +L90 +W2 +S4 +F92 +W2 +S3 +R180 +N5 +E3 +N5 +E5 +F22 +F88 +S3 +E2 +R90 +S5 +W1 +L90 +E4 +F77 +N1 +W3 +F14 +E3 +R90 +W1 +F21 +N1 +F58 +W4 +N2 +R90 +N2 +W4 +F68 +W5 +N3 +L90 +F22 +R90 +F90 +F84 +S5 +F30 +N1 +W4 +R90 +F17 +R90 +W4 +S5 +E2 +N1 +F92 +N2 +R180 +N5 +E2 +R90 +F38 +R90 +F15 +E5 +N4 +N4 +E4 +S4 +F92 +R90 +F22 +S3 +W4 +N3 +E1 +R180 +F96 +L90 +E1 +N1 +F9 +W2 +N4 +F17 +N2 +R90 +F76 +S2 +F5 +S5 +F34 +R90 +F7 +N4 +F83 +N5 +L90 +W1 +S3 +R90 +S3 +W2 +S3 +F51 +N5 +W4 +F8 +E3 +F10 +N5 +F39 +S3 +E2 +L90 +E5 +L90 +N5 +E2 +N3 +F42 +S3 +F38 +N5 +F19 +F97 +W2 +R180 +S4 +E4 +S2 +W3 +F39 +W4 +F70 +S1 +W1 +R90 +F41 +L90 +E1 +N1 +E3 +W5 +F13 +E4 +F2 +R180 +F27 +E4 +N2 +L270 +E1 +N3 +W4 +F81 +W3 +R90 +E1 +F57 +S5 +R90 +F13 +L180 +N5 +F98 +F32 +N3 +R90 +N3 +W3 +S3 +W3 +N4 +F73 +L180 +N1 +E4 +F7 +E4 +R90 +N4 +R90 +S2 +E5 +F32 +S2 +N5 +W3 +R90 +W5 +S2 +L90 +F4 +R270 +N5 +E3 +L90 +S5 +F24 +N4 +R90 +F27 +L90 +F16 +R90 +N2 +R90 +N3 +L90 +S3 +L90 +F85 +S3 +F47 +N1 +E1 +N3 +R270 +S2 +L90 +F50 +L90 +S2 +F23 +N4 +L180 +E3 +F91 +R90 +E1 +W4 +F81 +W5 +R90 +F46 +E1 +W1 +F91 +N5 +W5 +N3 +W1 +L90 +F60 +S2 +L90 +E1 +F82 +S3 +W5 +N5 +F90 +E3 +S1 +F61 +E4 +F98 +R180 +F8 +R270 +F73 +W4 +L90 +W5 +L90 +F86 +W5 +L180 +F61 +N5 +F88 +E2 +L270 +F90 +N5 +F21 +R270 +F40 +L90 +W1 +N2 +L90 +E2 +S5 +E2 +S1 +E5 +N3 +F51 +S1 +F58 +W3 +L180 +F13 +R90 +N1 +F79 +W2 +F61 +R90 +F22 +E2 +N5 +F1 +S4 +F99 +S1 +S3 +E2 +F97 diff --git a/12/input.small b/12/input.small new file mode 100644 index 0000000..d382291 --- /dev/null +++ b/12/input.small @@ -0,0 +1,5 @@ +F10 +N3 +F7 +R90 +F11 diff --git a/12/src/main.rs b/12/src/main.rs new file mode 100644 index 0000000..33999a9 --- /dev/null +++ b/12/src/main.rs @@ -0,0 +1,144 @@ +use advent_lib::prelude::*; + +//use std::convert::TryFrom; + +#[derive(Debug)] +struct ShipState { + x_offset: i64, // positive is east + y_offset: i64, // positive is north + heading: i64, // 0 is east; 90 is north +} + +#[derive(Debug)] +struct NavState { + waypoint_x_offset: i64, + waypoint_y_offset: i64, + ship_x_offset: i64, + ship_y_offset: i64, +} + + +impl ShipState { + fn new() -> ShipState { + ShipState { + x_offset: 0, + y_offset: 0, + heading: 0, + } + } +} + +impl NavState { + fn new() -> NavState { + NavState { + waypoint_x_offset: 10, + waypoint_y_offset: 1, + ship_x_offset: 0, + ship_y_offset: 0, + } + } +} + + +fn main() -> Result<()> { + let mut args = std::env::args(); + if args.len() != 2 { + eprintln!("Usage: advent input"); + } + let _ = args.next(); + let filename = args.next().unwrap(); + + let input = advent_lib::read_lines_file(&filename)?; + + let mut ship = ShipState::new(); + let mut nav = NavState::new(); + + for line in &input { + let (command, parameter_str) = line.split_at(1); + let parameter = parameter_str.parse::<i64>()?; + + match command { + "N" => { + ship.y_offset += parameter; + nav.waypoint_y_offset += parameter; + }, + "S" => { + ship.y_offset -= parameter; + nav.waypoint_y_offset -= parameter; + }, + "E" => { + ship.x_offset += parameter; + nav.waypoint_x_offset += parameter; + }, + "W" => { + ship.x_offset -= parameter; + nav.waypoint_x_offset -= parameter; + }, + "L" => { + ship.heading = (ship.heading + parameter) % 360; + + rotate_waypoint(&mut nav, parameter); + }, + "R" => { + ship.heading = (ship.heading - parameter + 360) % 360; + + rotate_waypoint(&mut nav, -parameter); + }, + "F" => { + while ship.heading < 0 { + ship.heading += 360; + } + ship.heading = ship.heading % 360; + + if ship.heading == 0 { + ship.x_offset += parameter; + } else if ship.heading == 90 { + ship.y_offset += parameter; + } else if ship.heading == 180 { + ship.x_offset -= parameter; + } else if ship.heading == 270 { + ship.y_offset -= parameter; + } + + nav.ship_x_offset += parameter * nav.waypoint_x_offset; + nav.ship_y_offset += parameter * nav.waypoint_y_offset; + }, + _ => { }, + } + } + + let ship_distance = ship.x_offset.abs() + ship.y_offset.abs(); + let nav_distance = nav.ship_x_offset.abs() + nav.ship_y_offset.abs(); + println!("{}", ship_distance); + println!("{}", nav_distance); + + Ok(()) +} + + +fn rotate_waypoint(nav: &mut NavState, parameter: i64) { + let mut rotation = parameter; + while rotation < 0 { + rotation += 360; + } + rotation = rotation % 360; + + if rotation == 90 { + // counterclockwise + let x_tmp = nav.waypoint_x_offset; + let y_tmp = nav.waypoint_y_offset; + nav.waypoint_y_offset = x_tmp; + nav.waypoint_x_offset = -y_tmp; + } else if rotation == 270 { + // clockwise + let x_tmp = nav.waypoint_x_offset; + let y_tmp = nav.waypoint_y_offset; + nav.waypoint_y_offset = -x_tmp; + nav.waypoint_x_offset = y_tmp; + } else if rotation == 180 { + let x_tmp = nav.waypoint_x_offset; + let y_tmp = nav.waypoint_y_offset; + nav.waypoint_x_offset = -x_tmp; + nav.waypoint_y_offset = -y_tmp; + } +} diff --git a/12/tests/main.rs b/12/tests/main.rs new file mode 100644 index 0000000..e883e41 --- /dev/null +++ b/12/tests/main.rs @@ -0,0 +1,14 @@ +use assert_cmd::prelude::*; +use std::process::Command; + + +#[test] +fn personal_input() -> Result<(), Box<dyn std::error::Error>> { + let mut command = Command::cargo_bin("advent_12")?; + + command.arg("input"); + command.assert().success().stdout("858\n39140\n"); + + Ok(()) +} + |