Rust Day 3 Part 1
This commit is contained in:
parent
1e5159e781
commit
01ba0f9ffb
GPG key ID:
2D05EFAB764D6A88
7 changed files with 263 additions and 3 deletions
2
rust/Cargo.lock
generated
2
rust/Cargo.lock
generated
|
|
@ -4,4 +4,4 @@ version = 3
|
|||
|
||||
[[package]]
|
||||
name = "advent-of-code"
|
||||
version = "23.2.2"
|
||||
version = "23.3.1"
|
||||
|
|
|
|||
|
|
@ -1,8 +1,8 @@
|
|||
[package]
|
||||
name = "advent-of-code"
|
||||
version = "23.2.2"
|
||||
version = "23.3.1"
|
||||
edition = "2021"
|
||||
default-run = "day02"
|
||||
default-run = "day03"
|
||||
|
||||
[profile.release]
|
||||
strip = "symbols"
|
||||
|
|
@ -32,3 +32,7 @@ path = "src/day01/main.rs"
|
|||
[[bin]]
|
||||
name = "day02"
|
||||
path = "src/day02/main.rs"
|
||||
|
||||
[[bin]]
|
||||
name = "day03"
|
||||
path = "src/day03/main.rs"
|
||||
|
|
|
|||
140
rust/src/day03/input.txt
Normal file
140
rust/src/day03/input.txt
Normal file
|
|
@ -0,0 +1,140 @@
|
|||
..224.....487...................718.....................378............................................284........310......313..........311.
|
||||
....*..............................*744....486*485......*......741......@...359.#666...439................*925....*......$..+........@......
|
||||
.235................758..440...........................251....*......262.....*..........*......................752......774.......515.......
|
||||
.........705%..@746........+..942*591.347.470...#..257.........637...........793.......299..../.....813....509......464......&.........688..
|
||||
.....82................................*.../..901.....*..................836.....&............814...*........*..............80...17*....*...
|
||||
.../...*...679.661.....299...........222.............875.....213...161............964...894.........998.....310....258.85...........735.586.
|
||||
.650..23..#......*.......................................760*........@./........................202...................*.....339.............
|
||||
..............598......#.....536....702*.........705..........793......957............./........*...935...........965.......................
|
||||
..................*.357...+.....@.......242.......*......283..*...=956.......118.......959...184...*..............*....401*527.....348...161
|
||||
.63=...955.523..77......978.846....849..........699..........790........=911.*.....87...............486.........914..............=..........
|
||||
.........*.........842......*.......*..................*127....................844...*....946.......................235...209@...710.735....
|
||||
...........@.........*.....144....226....298........560.....253.........431......*...586.......723..../...482.......&...................*...
|
||||
...........871../918........................+....................329*......%.....906.............*...350.....@...............365.......361..
|
||||
......................536............................+..793..........664.....739................507......289.....256%...73..*...............
|
||||
.356..834..............*.........96.939..............28.+....=..............*...........................*................$.553..........526.
|
||||
...*...*.............501..746....*..-.......=.................890.....+...701..............807........447......97$..%...........58......$...
|
||||
.891....346...699...........*.421......+....666......198*791......340.433............#...%...*.......................316........*.....%.....
|
||||
..............%........81.984...........462....................../..........116...711....963...$................380.......745...85....224...
|
||||
.........370......923..@.....................563...........188+.........326*...................67.815..............*582.....................
|
||||
.........*........-........#530.........489........59...................................................#.....57.........100.*.......441*161
|
||||
.637*....961...........118...........21*...........@..216+.........................+....432*.*309..64....992.......81......=.781.644........
|
||||
.....324.........126......*166...............&...................385*..............233............*................*..436...........*517....
|
||||
.88*.........390*................355..335...372....+254..............294...$589........&..803/.....38..-...........56..$....................
|
||||
....235.-.........+196...948....*........-................359.........................398.............608..../.................145..346.....
|
||||
........915.................-.485.945.................936*................114.............118...............490.536..............*.%........
|
||||
.663........61.......856..........+....343....859...............*345.......*...=862............711.............................313.....606..
|
||||
........23...$.....@..................*......................316.....529.362.............49......................307*791....................
|
||||
225...............281...#..222.....@..283..............675............*.........911*90..-.....914..%39....509...............................
|
||||
.......797*....$........23..../...895.............67.......164.896.....554.....................*............=..............460........181...
|
||||
...........211.474...............................@...........*....*201..........911.717.#....192.75..679...........$.........*.........=....
|
||||
....355.........................&.....................678.650......................*.....128.....*.....*.........925..230...105.............
|
||||
....*.......409#.......*897.....698....427.........+....*.......*...............................313...670..521.......*....&.............*308
|
||||
...838..335.................367........-..........325....233...224...950......688.....199.774.........................793.108........501....
|
||||
...........*..102..924.349...+..595....................................*................&..............395+.....................753.........
|
||||
.........318...*......*........*....676...759.154...................524...........908.........694.211................173...........*214..424
|
||||
....458........403...........958.98....*........*..............688......957...488..+...........*.../....................................*...
|
||||
.......*.............591...............218.....203.....196$.......+....*........*......................765......971......./....927*741..227.
|
||||
......592..%60.$.....*.....885/....287...............................474.........409......226.174.......@........*.....230..................
|
||||
...............162.169.................510..962..............17......................32@..*...*.................225....................-....
|
||||
.....880...................201.....823*........*...914.724.........89...&.......267=.....717.54.436..........60...............&.........69..
|
||||
710........601....306.287.....+.........65...308....&...=.../......*.....926..................................*........278.415......-.......
|
||||
..............*..*......&..........241.%...................827../.265.............662.678......@...#......@.....$......-............734.144.
|
||||
.............424..434.....701.....*........380*731.............24.................*...&........973..741....728..357.........................
|
||||
........304.................*...881................238.....740.........947........587...22...........................271*........603....@...
|
||||
...................266.....918....................*..........+.519.617..*...826..........*............./268..974.........486.376....*.295...
|
||||
...939.........363.*...............378..........302....586........*....740...=..........380........931...........................12.........
|
||||
...*..........-.....387...............*..588..............*..../...............315...................-...712..491.........956.....#.........
|
||||
.180.454...................104..661...91...*.............811....370......471...-....419....804..........*...................*...............
|
||||
.....*.......@../464........%..*............243.....578...................&..........*...........604..250.....784....750....998.............
|
||||
.....245....165.................771...................&.......#.691...768....654....261.........................*.......*............566....
|
||||
441..................91.....194.......643...932*............379.#....$.......*.................86.............940..263.638...........*......
|
||||
...+.............%.../.......#.........*........344...795..................991..........544....*..................*..........767...266......
|
||||
.......-..708..727.....191$......*.....698....=...................990................+.....*....308.......@......325.........*.........44...
|
||||
...18.397....=.....93.........649.900.........62....-........322.....*.......@......339....619..........404..........540........./....*.....
|
||||
..../...............%............................742............*...........196................874.205........96#..............203.224......
|
||||
.........704...727.................496.......*........135....769........./.................%....&....*.../..=.........757...................
|
||||
........*........*..424..........&........714.5........*...........@....884...............114.......674.144..83..........*302...........%...
|
||||
........29....179..*............104..................531....629.455..................473......300....................254..............640...
|
||||
..................296.......................................................1........*.......%..............548........*.....103............
|
||||
....381...........................365#..713.282.......%744....................../....709...#...=...431...$.*......*.....837.....*9.....*....
|
||||
......*.90.....347.179#...................%.......359..........92............304...*.....923.446.......385.699.....749..............193.206.
|
||||
....922.+.......*.......-197.....................*.......128........273....@.....758..............439...................650*54.736#.........
|
||||
................817..-..........152..594..949..807.......$...224...*.....124............889.......=...................................625...
|
||||
....139....667......239........*...........*.......387........%..806........../...........*..788....632...........=8......584-......*.%.....
|
||||
...........*.................280...........11.........*726............181......761..-....66.....%....-................64...........14.......
|
||||
............742.736.725..........708.667..........332.......828*750......-.........425.......................944.....*...................926
|
||||
.719...110...........*.....348...=..........121......*........................................*.......961.....*.......971...........+.......
|
||||
..../.....*629........830..*............91....&..241..491...930............561................889....*....710.333..............163...311....
|
||||
......%...................252.../..................*...........*270.......................165.....208.......*..................../.......694
|
||||
...914...126...267.183........952..$645......414.822................................69.......-..........=..112.464..267....359..........*...
|
||||
.............7*..........................806.../.....931.....*.....355..............*....928...........854.........-..............*993...101
|
||||
439.897...........%...........8......381...*........*....748..987....*............437.......*....954.......................*................
|
||||
.......*595....783........49.....110.$...675...8...60.....=........981........&..........730....*.............336.......120.790..........386
|
||||
............90..............*212...*..........*.......985.....153........*..12...912*383......665.....754.....-.....................950.....
|
||||
......790#.*........896@.........773....777..581..514*....910.....5.....579.............................=.......#.....................*.....
|
||||
...&.......496...........347..............*...............*...................../............................790..............334......912..
|
||||
692............609....&.......694..........693...213....620......695......871..385.......82..........785.......................*..163.......
|
||||
.........#....*......984.........*.................=............*.......................................*.545...-............978.....*......
|
||||
......971...477.............465......196*313..........447.......766......49.......126*480.............798......792..359*193...........837...
|
||||
................157...........+..................773.=..............752$....................447*565..........................*53............
|
||||
.384%..........@.........449............470..749...@.........@792..............138..527.......................339.....299.505...........287.
|
||||
......691........700........@......96..........*........721*.....................@....*...942......845........*......-.........713..........
|
||||
.....*......260/...*...........................491..452.....336.......................73....+..960..........238...........163$..&...=.@.....
|
||||
....689.............831...282....709.960.............=.............204............................#..............59...97..........199..111..
|
||||
........................$........../........-....498......................557....&...........972............450.............................
|
||||
.............653........476...398.........619...*.....*280..923..............*31..691.........*........=...*.....67......782................
|
||||
..............*....%..........*.........+......268...........&........428....................408....740....576....*.......*.........$.......
|
||||
....-../...734......317.114.332...795...743.........................-..=..908...........381.......................914...420.*647....528.....
|
||||
..284.825...............*......................721/.=929.........324.....*....167.561...*.....815*466.......................................
|
||||
..............389..304.480.......851..@....585..............942%......#.496....*....-.53................170....938*..........518............
|
||||
........368..*.....@..............*....941..+.......*...............930.........364.......522......................59.........+....$....652.
|
||||
...........+.963...................949...........828.784......860............*......420.....*..................*......548...........310.*...
|
||||
.....476...............*...............=...94.+..................&........589.833....*..426.940.....&.....959.993.&88....................398
|
||||
.......*................624....917...838..*...664.......721........................833...$.......672......$............19...................
|
||||
....350.......................&....=..............333.................707....................................240..336....=...746.263..$463..
|
||||
.........................-.........220.....663...../.............*849..#..631.....712....=.../...308.580.............*..........*...........
|
||||
.78@......../..........422....444.............*...............281............*...*....447..37.......*................814....................
|
||||
........./...788...810.........&..............369..985....-................92................................684...............74...........
|
||||
......279.........*......128/....464........#...../......944........978...............163..984*5.@............+.......165......*....285.....
|
||||
..................889.............*.......969........................%.......5......&....$........272....................*......374.........
|
||||
.........&..............@948..*..13.358........796.............632............*....789........91*..............*66........152...............
|
||||
........508...+..............3...........544.....$.517.....703....*774.......434............/....794........932.............................
|
||||
...$...........241.....74...........974..*...954............*.......................375..772...........218.........414...........*366....252
|
||||
.501..566...............*..........*....599.....#........256.....468@..942.101.........*..........156...*.............*.......998...........
|
||||
...../.............263.312....+..767..............#.........................*...&95..838.162=.....+....130.........583..544.......176.......
|
||||
............................936......826.......421.......-139.......982...893.......................*..................*........./..........
|
||||
.284.....=724...................661.$....694........85..........438.............51...............616.698.*36.....262......357+........224...
|
||||
....@..........491........+........................@......193......*596...........%../844...387.................$.....132.........%.........
|
||||
.......84..............362.................................*..98..........&................*....14....394..........$..............56........
|
||||
.........*432.....512................704......424.............*............74........196%..875...*.....*............132.......229...........
|
||||
..............723*.........568........*..108........672......55.172...217.........................289.427........................*..........
|
||||
.........#795.........214....*.336...94....*....988................%..&.............*86......*...............838&.......540.......902.......
|
||||
.922...........288........719.....*........845...&..558......#...................524......195.704.....................................77....
|
||||
...*....842....../...166........883...-................*503..451..305../....600............................900..280.....*169...586..........
|
||||
751....*.........../.*......944......116....416.........................877....*....418...194........644..*....=.....244..........#.....354.
|
||||
.......118......208...................................788...................826........$....$...207.....@..152...........893*608.......&....
|
||||
..948.......................203../....206.............*....341./977.916.........49...#........@....-............+385........................
|
||||
...*......266.................*...607...@.990......964..............-..........*.....340...697........62..............526.....-.............
|
||||
..675.....*..........612....604.............*..............492.884...........212...............*157....*...679.........*....706...716%.518..
|
||||
......103.749..989...*...................739..............$......=..=..................212..684.....35.......*.........785..............+...
|
||||
..343*......../.......680.....................*423.................476....&....420..............241..*......532.....+.......864$.....&......
|
||||
..................826........403..311...60.451.............+...........562....../.......306.......*..............420..................321...
|
||||
...241..............*...........+..=....@......*240.......845....@.........740.................968..389.177*...................640..........
|
||||
......*82...........963...211%...............38...............901.....404.........&..253..............-.....37.........218.501...*....320...
|
||||
....*...........................#215...264......298........................*970..801....*....569...............3.......*......%..859.*......
|
||||
.136.818...212...........91*72........*.........-...750.....775*728.29.270...............984.&...371..........*.........639..........670....
|
||||
...........*.../959................438.....524......*...943.........*................755...................162.................446#.........
|
||||
..........290.............751................*.....557..*...483.............421.........*............189.%................/.................
|
||||
....................9.786..-......835.......978........445.%..........350........860..662.......#...*....354........*.....682...............
|
||||
.117..57+....441...*....+............................................../............*.........88....142..........%.927......................
|
||||
...*...........*..402....................874.....734.926$../...............*633......219.84/............662...205...................334.....
|
||||
...981........367........338...332/.........=......*......119....375#.334.......146..............%.....$................384.............-511
|
||||
........165................=....................666.....................#..614.....-..%744..617.887.......848*..............................
|
||||
...........*.203.593...158....*..........152..............+817.....866.......&...............*......../.......904........701.165.80.........
|
||||
404..977.93..*....*....*...396.281......*....953....*................*.........116..97.70=..179....107..338................$...*....622.....
|
||||
......=.....445........................382.....*...672................859......*...%....................&..........-.571......717....*......
|
||||
..................240............175..........808..............225..........988............/604..............232.448..*..651......769.......
|
||||
.........569*....*........975*.....*....968..............585.....*................26.................................394....@.142...........
|
||||
......*......498..969.........360.666...%.........................919.......360........-.*.........%...................................484..
|
||||
...407................886...................................84......................933...101....58........839..425.........................
|
||||
11
rust/src/day03/main.rs
Normal file
11
rust/src/day03/main.rs
Normal file
|
|
@ -0,0 +1,11 @@
|
|||
const INPUT: &str = include_str!("input.txt");
|
||||
|
||||
mod part_1;
|
||||
use part_1::part_1;
|
||||
mod part_2;
|
||||
use part_2::part_2;
|
||||
|
||||
fn main() {
|
||||
println!("{}", part_1(INPUT));
|
||||
println!("{}", part_2(INPUT));
|
||||
}
|
||||
71
rust/src/day03/part_1.rs
Normal file
71
rust/src/day03/part_1.rs
Normal file
|
|
@ -0,0 +1,71 @@
|
|||
use std::iter::Sum;
|
||||
|
||||
#[derive(Debug)]
|
||||
struct PartNumber(u64);
|
||||
|
||||
impl<'a> Sum<&'a PartNumber> for u64 {
|
||||
fn sum<I: Iterator<Item = &'a PartNumber>>(iter: I) -> Self {
|
||||
iter.fold(0, |acc, x| acc + x.0)
|
||||
}
|
||||
}
|
||||
|
||||
pub(crate) fn part_1(input: &'static str) -> u64 {
|
||||
let mut part_numbers = vec![];
|
||||
for (y, line) in input.lines().enumerate() {
|
||||
let mut search_index = 0;
|
||||
loop {
|
||||
let search_line = &line[search_index..];
|
||||
if search_line.is_empty() {
|
||||
break;
|
||||
}
|
||||
let Some(number_start) = search_line.find(|c| char::is_ascii_digit(&c)) else {
|
||||
break;
|
||||
};
|
||||
let number_end = search_line[number_start..]
|
||||
.find(|c| !char::is_ascii_digit(&c))
|
||||
.unwrap_or(search_line.len() - number_start)
|
||||
+ number_start;
|
||||
|
||||
let number = search_line[number_start..number_end]
|
||||
.parse()
|
||||
.expect("Should be a valid number");
|
||||
|
||||
// This `line.len()` assumes the input is square
|
||||
let mut has_symbol_neighbor = false;
|
||||
'symbol_search_loop: for y in y.saturating_sub(1)..=usize::min(y + 1, line.len() - 1) {
|
||||
for x in (search_index + number_start).saturating_sub(1)
|
||||
..=usize::min(search_index + number_end, line.len())
|
||||
{
|
||||
let idx = y * (line.len() + 1) + x;
|
||||
let char = input.as_bytes()[idx] as char;
|
||||
if !matches!(char, '0'..='9' | '.' | '\n') {
|
||||
has_symbol_neighbor = true;
|
||||
break 'symbol_search_loop;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if has_symbol_neighbor {
|
||||
part_numbers.push(PartNumber(number));
|
||||
}
|
||||
search_index += number_end;
|
||||
}
|
||||
}
|
||||
|
||||
part_numbers.iter().sum()
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
const SAMPLE_INPUT: &str = include_str!("sample_input.txt");
|
||||
|
||||
#[test]
|
||||
fn test_with_sample_solution() {
|
||||
assert_eq!(super::part_1(SAMPLE_INPUT), 4361)
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_with_solution() {
|
||||
assert_eq!(super::part_1(crate::INPUT), 539590);
|
||||
}
|
||||
}
|
||||
24
rust/src/day03/part_2.rs
Normal file
24
rust/src/day03/part_2.rs
Normal file
|
|
@ -0,0 +1,24 @@
|
|||
pub(crate) fn part_2(_input: &'static str) -> u64 {
|
||||
todo!("Part 2")
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
const SAMPLE_INPUT: &str = include_str!("sample_input.txt");
|
||||
|
||||
#[test]
|
||||
fn test_with_sample_solution() {
|
||||
assert_eq!(
|
||||
super::part_2(SAMPLE_INPUT),
|
||||
todo!("Add result from example part 2")
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_with_solution() {
|
||||
assert_eq!(
|
||||
super::part_2(crate::INPUT),
|
||||
todo!("Add result for solved part 2")
|
||||
);
|
||||
}
|
||||
}
|
||||
10
rust/src/day03/sample_input.txt
Normal file
10
rust/src/day03/sample_input.txt
Normal file
|
|
@ -0,0 +1,10 @@
|
|||
467..114..
|
||||
...*......
|
||||
..35..633.
|
||||
......#...
|
||||
617*......
|
||||
.....+.58.
|
||||
..592.....
|
||||
......755.
|
||||
...$.*....
|
||||
.664.598..
|
||||
Loading…
Reference in a new issue