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# This file is automatically @generated by Cargo. |
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# It is not intended for manual editing. |
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version = 3 |
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|
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[[package]] |
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name = "day11" |
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version = "0.1.0" |
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[package] |
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name = "day11" |
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version = "0.1.0" |
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edition = "2021" |
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|
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html |
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[dependencies] |
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use std::iter::*; |
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use std::fs; |
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use std::env; |
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#[derive(Debug, Copy, Clone, PartialEq)] |
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struct Coord {x: i64, y: i64} |
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fn pt(x:i64, y:i64) -> Coord { Coord { x, y } } |
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|
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struct Grid<T: Copy> { g: Vec<Vec<T>> } |
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impl<T: Copy> Grid<T> { |
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fn get(&self, r: Coord) -> Option<T> { |
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if r.y < 0 || r.y >= self.g.len() as i64 { |
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return None; |
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} |
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if r.x < 0 || r.x >= self.g[0].len() as i64 { |
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return None; |
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} |
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Some(self.g[r.y as usize][r.x as usize]) |
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} |
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fn set(&mut self, r: Coord, value: T) { |
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if r.y < 0 || r.y >= self.g.len() as i64 { |
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return (); |
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} |
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if r.x < 0 || r.x >= self.g[0].len() as i64 { |
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return (); |
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} |
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self.g[r.y as usize][r.x as usize] = value; |
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} |
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} |
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|
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fn main() { |
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println!("Hello, AoC day 11!"); |
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let args: Vec<String> = env::args().collect(); |
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if args.len() != 2 { |
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println!("wrong number of arguments!"); |
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std::process::exit(1); |
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} |
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let file_path = &args[1]; |
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let contents = fs::read_to_string(file_path) |
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.expect("Should have been able to read the file"); |
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let mut grid = Grid::<char> { g: Vec::new() }; |
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let mut rows_to_expand: Vec<bool> = Vec::new(); |
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let mut columns_to_expand: Vec<bool> = Vec::new(); |
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for _y in contents.lines() { |
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rows_to_expand.push(true); |
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} |
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for _x in contents.lines().nth(0).expect("there's gotta be a first line").chars() { |
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columns_to_expand.push(true); |
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} |
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|
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// let's build that grid
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for (y, line) in contents.lines().enumerate() { |
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let mut row = Vec::new(); |
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for (x, c) in line.chars().enumerate() { |
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if c != '.' { |
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rows_to_expand[y] = false; |
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columns_to_expand[x] = false; |
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} |
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row.push(c); |
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} |
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grid.g.push(row); |
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} |
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println!("starting grid:"); |
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print_map(&grid); |
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|
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|
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println!("expanding these:"); |
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println!("rows: {rows_to_expand:?}"); |
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println!("columns: {columns_to_expand:?}"); |
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let mut offset=0; |
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for (y, expanding) in rows_to_expand.iter().enumerate() { |
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if !expanding { continue; } |
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let mut newline: Vec<char> = Vec::new(); |
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for c in grid.g[y+offset].iter() { newline.push(*c); } |
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grid.g.insert(y+offset, newline); |
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offset += 1; |
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} |
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offset=0; |
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for (x, expanding) in columns_to_expand.iter().enumerate() { |
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if !expanding { continue; } |
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|
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for (_y, row) in grid.g.iter_mut().enumerate() { |
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row.insert(x + offset, '.'); |
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} |
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offset += 1; |
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} |
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println!("map:"); |
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print_map(&grid); |
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let mut galaxies: Vec<Coord> = Vec::new(); |
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for (y, row) in grid.g.iter().enumerate() { |
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for (x, character) in row.iter().enumerate() { |
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if *character == '#' { galaxies.push(pt(x as i64,y as i64)); } |
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} |
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} |
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println!("galaxy list: {galaxies:?}"); |
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let mut sum = 0; |
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for a in galaxies.iter() { |
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for b in galaxies.iter() { |
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sum += (b.x-a.x).abs() + (b.y-a.y).abs(); |
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} |
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} |
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sum = sum / 2; |
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println!("behold, this is the sum of sums!: {sum}"); |
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println!("okay let's do that again for part 2, but differently."); |
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let mut grid2 = Grid::<char> { g: Vec::new() }; |
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let mut galaxies = Vec::new(); |
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let dilation_factor = 999_999; |
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let mut rows_to_expand = Vec::new(); |
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let mut columns_to_expand = Vec::new(); |
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for _y in contents.lines() { |
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rows_to_expand.push(true); |
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} |
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for _x in contents.lines().nth(0).expect("there's gotta be a first line").chars() { |
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columns_to_expand.push(true); |
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} |
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|
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// let's start this over.
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for (y, line) in contents.lines().enumerate() { |
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let mut row = Vec::new(); |
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for (x, c) in line.chars().enumerate() { |
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if c == '#' { |
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rows_to_expand[y] = false; |
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columns_to_expand[x] = false; |
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galaxies.push(pt(x as i64,y as i64));
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} |
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row.push(c); |
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} |
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grid2.g.push(row); |
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} |
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for g in galaxies.iter_mut() { |
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let mut expansions = 0; |
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for (y, expanding) in rows_to_expand.iter().enumerate() { |
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if !expanding { continue; } |
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if g.y > y as i64 { expansions += dilation_factor; } |
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} |
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g.y += expansions; |
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expansions = 0; |
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for (x, expanding) in columns_to_expand.iter().enumerate() { |
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if !expanding { continue; } |
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if g.x > x as i64 { expansions += dilation_factor; } |
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} |
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g.x += expansions; |
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} |
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let mut sum: i128 = 0; |
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for a in galaxies.iter() { |
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for b in galaxies.iter() { |
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sum += ((b.x-a.x).abs() + (b.y-a.y).abs()) as i128; |
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} |
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} |
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sum = sum / 2; |
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println!("behold, this is the sum of sums!: {sum}"); |
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} |
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fn print_map(grid: &Grid<char>) { |
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for row in grid.g.iter() { |
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let line: Vec<String> = row.iter().map(|x| x.to_string()).collect(); |
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let l = line.join(""); |
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println!("{l}"); |
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} |
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} |
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{"rustc_fingerprint":11672801278650259402,"outputs":{"15729799797837862367":{"success":true,"status":"","code":0,"stdout":"___\nlib___.rlib\nlib___.dylib\nlib___.dylib\nlib___.a\nlib___.dylib\n/Users/shoofle/.rustup/toolchains/stable-x86_64-apple-darwin\noff\npacked\nunpacked\n___\ndebug_assertions\npanic=\"unwind\"\nproc_macro\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"\"\ntarget_family=\"unix\"\ntarget_feature=\"cmpxchg16b\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_feature=\"sse3\"\ntarget_feature=\"ssse3\"\ntarget_has_atomic=\"128\"\ntarget_has_atomic=\"16\"\ntarget_has_atomic=\"32\"\ntarget_has_atomic=\"64\"\ntarget_has_atomic=\"8\"\ntarget_has_atomic=\"ptr\"\ntarget_os=\"macos\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"apple\"\nunix\n","stderr":""},"4614504638168534921":{"success":true,"status":"","code":0,"stdout":"rustc 1.69.0 (84c898d65 2023-04-16)\nbinary: rustc\ncommit-hash: 84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc\ncommit-date: 2023-04-16\nhost: x86_64-apple-darwin\nrelease: 1.69.0\nLLVM version: 15.0.7\n","stderr":""}},"successes":{}} |
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Signature: 8a477f597d28d172789f06886806bc55 |
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# This file is a cache directory tag created by cargo. |
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# For information about cache directory tags see https://bford.info/cachedir/ |
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f609fbbae361eb07 |
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{"rustc":3659767333214291318,"features":"[]","target":3176960092119891533,"profile":11736316127369858332,"path":1684066648322511884,"deps":[],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/day11-e3eea56213de9d74/dep-bin-day11"}}],"rustflags":[],"metadata":7797948686568424061,"config":2202906307356721367,"compile_kind":0} |
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This file has an mtime of when this was started. |
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{"message":"method `get` is never used","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src/main.rs","byte_start":238,"byte_end":241,"line_start":12,"line_end":12,"column_start":8,"column_end":11,"is_primary":true,"text":[{"text":" fn get(&self, r: Coord) -> Option<T> {","highlight_start":8,"highlight_end":11}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"`#[warn(dead_code)]` on by default","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"\u001b[0m\u001b[1m\u001b[33mwarning\u001b[0m\u001b[0m\u001b[1m: method `get` is never used\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:12:8\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m12\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m fn get(&self, r: Coord) -> Option<T> {\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[33m^^^\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m= \u001b[0m\u001b[0m\u001b[1mnote\u001b[0m\u001b[0m: `#[warn(dead_code)]` on by default\u001b[0m\n\n"} |
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{"message":"method `set` is never used","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src/main.rs","byte_start":511,"byte_end":514,"line_start":21,"line_end":21,"column_start":8,"column_end":11,"is_primary":true,"text":[{"text":" fn set(&mut self, r: Coord, value: T) {","highlight_start":8,"highlight_end":11}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[33mwarning\u001b[0m\u001b[0m\u001b[1m: method `set` is never used\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:21:8\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m21\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m fn set(&mut self, r: Coord, value: T) {\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[33m^^^\u001b[0m\n\n"} |
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{"message":"2 warnings emitted","code":null,"level":"warning","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[33mwarning\u001b[0m\u001b[0m\u001b[1m: 2 warnings emitted\u001b[0m\n\n"} |
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/Users/shoofle/Projects/aoc_2023/day11/target/debug/day11: /Users/shoofle/Projects/aoc_2023/day11/src/main.rs |
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/Users/shoofle/Projects/aoc_2023/day11/target/debug/deps/day11-e3eea56213de9d74: src/main.rs |
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|
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/Users/shoofle/Projects/aoc_2023/day11/target/debug/deps/day11-e3eea56213de9d74.d: src/main.rs |
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|
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src/main.rs: |
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