diff options
Diffstat (limited to '2023/rust/day5')
| -rw-r--r-- | 2023/rust/day5/Cargo.toml | 8 | ||||
| -rw-r--r-- | 2023/rust/day5/example.txt | 33 | ||||
| -rw-r--r-- | 2023/rust/day5/input.txt | 237 | ||||
| -rw-r--r-- | 2023/rust/day5/src/lib.rs | 159 |
4 files changed, 437 insertions, 0 deletions
diff --git a/2023/rust/day5/Cargo.toml b/2023/rust/day5/Cargo.toml new file mode 100644 index 0000000..f9b62bf --- /dev/null +++ b/2023/rust/day5/Cargo.toml @@ -0,0 +1,8 @@ +[package] +name = "day5" +version = "0.1.0" +edition = "2021" + +# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html + +[dependencies] diff --git a/2023/rust/day5/example.txt b/2023/rust/day5/example.txt new file mode 100644 index 0000000..f756727 --- /dev/null +++ b/2023/rust/day5/example.txt @@ -0,0 +1,33 @@ +seeds: 79 14 55 13 + +seed-to-soil map: +50 98 2 +52 50 48 + +soil-to-fertilizer map: +0 15 37 +37 52 2 +39 0 15 + +fertilizer-to-water map: +49 53 8 +0 11 42 +42 0 7 +57 7 4 + +water-to-light map: +88 18 7 +18 25 70 + +light-to-temperature map: +45 77 23 +81 45 19 +68 64 13 + +temperature-to-humidity map: +0 69 1 +1 0 69 + +humidity-to-location map: +60 56 37 +56 93 4 diff --git a/2023/rust/day5/input.txt b/2023/rust/day5/input.txt new file mode 100644 index 0000000..7dfa9ed --- /dev/null +++ b/2023/rust/day5/input.txt @@ -0,0 +1,237 @@ +seeds: 41218238 421491713 1255413673 350530906 944138913 251104806 481818804 233571979 2906248740 266447632 3454130719 50644329 1920342932 127779721 2109326496 538709762 3579244700 267233350 4173137165 60179884 + +seed-to-soil map: +1389477588 1222450723 86190269 +2369327568 3429737174 127508203 +88123474 1366319913 182655004 +1475667857 405321476 41320497 +1258939826 536917987 41172751 +1924266396 3404859218 24877956 +1762699703 957158780 33280161 +3452528837 3222194776 182664442 +2196573512 1924266396 172754056 +433176947 990438941 6166389 +4047092335 2681059373 30705388 +439343336 1626695089 181842577 +1949144352 2940939059 125726128 +979719551 446641973 90276014 +2184073848 2711764761 12499664 +4077797723 2605613670 27940277 +2074870480 4240432416 54534880 +3048538268 3066665187 104068222 +621185913 1124514126 97936597 +1157547656 773812762 84277017 +1300112577 20266514 6655368 +1151949413 1808537666 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+3698712653 1467493346 159792878 + +light-to-temperature map: +4148509456 1952010509 126270832 +856886372 936932802 97162803 +829640090 282271594 27246282 +244444108 1274282332 107584318 +1528329058 3192525971 211478915 +2566760651 2178128911 792500107 +478140779 1162859130 51849897 +4274780288 1528329058 20187008 +352028426 265852816 16418778 +1739807973 2970629018 221896953 +188336830 840381853 56107278 +529990676 0 265852816 +2424714410 1911677980 40332529 +795843492 896489131 33796598 +969062248 324530949 412804402 +954049175 309517876 15013073 +3359260758 3868594872 426372424 +2465046939 3404004886 101713712 +375094277 737335351 103046502 +0 1214709027 59573305 +2324866840 2078281341 99847570 +1961704926 1548516066 247670884 +2209375810 1796186950 115491030 +59573305 1034095605 128763525 +3785633182 3505718598 362876274 +368447204 930285729 6647073 + +temperature-to-humidity map: +645925588 927807414 87140162 +0 398577479 157531253 +1936153073 3766846194 135269565 +3964800672 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+157531253 0 90734051 +3466897907 2756559122 1855832 +2580779174 3494368971 158911777 +425116137 267584884 5355320 +2313287617 1938146733 21651157 + +humidity-to-location map: +2297594568 1304834363 199636291 +964984478 962777545 102011627 +3376226732 2612009119 78542873 +3210191679 3257561655 73324720 +960734175 2732971245 4250303 +3552752951 3643184542 128526794 +1654967093 1268999863 35834500 +2805486965 2087320949 359714826 +72263011 1608745500 171195806 +4225512580 3861994731 69454716 +1240952852 431398165 68767410 +3695056291 298067962 76655045 +1309720262 500165575 32124036 +2768212426 260793423 37274539 +258896561 532289611 263781213 +1967976997 1084282606 71977571 +2255175315 2690551992 42419253 +1514000396 0 28227011 +0 2539746108 72263011 +3283516399 2447035775 92710333 +1233825691 3330886375 7127161 +614836670 2866104927 345897505 +1341844298 88637325 172156098 +2039954568 1779941306 215220747 +3861994731 3931449447 363517849 +1950982711 414403879 16994286 +3454769605 3219988623 37573032 +1690801593 3433704416 164490238 +1855291831 3338013536 95690880 +1195879484 1080226916 4055690 +522677774 1995162053 92158896 +2601505705 796070824 166706721 +2497230859 1504470654 104274846 +1199935174 380513362 33890517 +3492342637 28227011 60410314 +1066996105 2737221548 128883379 +243458817 1064789172 15437744 +3165201791 3598194654 44989888 +3689265936 374723007 5790355 +3681279745 3212002432 7986191 +1542227407 1156260177 112739686 diff --git a/2023/rust/day5/src/lib.rs b/2023/rust/day5/src/lib.rs new file mode 100644 index 0000000..fb3ef96 --- /dev/null +++ b/2023/rust/day5/src/lib.rs @@ -0,0 +1,159 @@ +use std::str::Split; + +fn get_data(data: &mut Split<&str>) -> Vec<Vec<u64>> { + data.nth(0) + .unwrap() + .split(':') + .nth(1) + .unwrap() + .trim_start() + .split('\n') + .map(|x| x.split(' ').map(|y| y.parse::<u64>().unwrap()).collect()) + .collect() +} + +pub fn part1(input: &str) -> u64 { + let mut input = input.trim().split("\n\n"); + + let mut seeds: Vec<u64> = input + .nth(0) + .unwrap() + .split(':') + .nth(1) + .unwrap() + .trim() + .split(' ') + .map(|x| x.parse::<u64>().unwrap()) + .collect(); + + let mut data: Vec<Vec<Vec<u64>>> = vec![]; + for _ in 0..7 { + let x: Vec<Vec<u64>> = get_data(&mut input); + + data.push(x); + } + // 0 -> seed-to-soil + // 1 -> soil-to-fertilizer + // 2 -> fertilizer-to-water + // 3 -> water-to-light + // 4 -> light-to-temperature + // 5 -> temperature-to-humidity + // 6 -> humidity-to-location + + for d in &data { + let mut checked: Vec<u64> = vec![]; + for i in d { + let drs = i[0]; + let srs = i[1]; + let incr = i[2]; + + for seed in &mut seeds { + if !checked.contains(&*seed) && *seed >= srs && *seed <= srs + incr { + *seed = *seed - srs + drs; + checked.push(*seed); + } + } + } + } + + *seeds.iter().min().unwrap() +} + +pub fn part2(input: &str) -> u64 { + let mut input = input.trim().split("\n\n"); + + let s: Vec<u64> = input + .nth(0) + .unwrap() + .split(':') + .nth(1) + .unwrap() + .trim() + .split(' ') + .map(|x| x.parse::<u64>().unwrap()) + .collect(); + + assert_eq!(s.len() % 2, 0); + let mut seeds: Vec<u64> = vec![]; + let mut i = 0; + while i < s.len() { + for j in s[i] as usize..(s[i] + s[i + 1]) as usize { + seeds.push(j as u64); + } + + i += 2; + } + println!("{seeds:?}"); + + let mut data: Vec<Vec<Vec<u64>>> = vec![]; + for _ in 0..7 { + let x: Vec<Vec<u64>> = get_data(&mut input); + + data.push(x); + } + // 0 -> seed-to-soil + // 1 -> soil-to-fertilizer + // 2 -> fertilizer-to-water + // 3 -> water-to-light + // 4 -> light-to-temperature + // 5 -> temperature-to-humidity + // 6 -> humidity-to-location + + for d in &data { + let mut checked: Vec<u64> = vec![]; + for i in d { + let drs = i[0]; + let srs = i[1]; + let incr = i[2]; + + for seed in &mut seeds { + if !checked.contains(&*seed) && *seed >= srs && *seed <= srs + incr { + *seed = *seed - srs + drs; + checked.push(*seed); + } + } + } + } + + let mut res = seeds[0]; + for seed in seeds { + if seed < res { + res = seed; + } + } + + res +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn example_part1() { + let input = include_str!("../example.txt"); + let result = part1(input); + assert_eq!(result, 35); + } + + #[test] + fn input_part1() { + let input = include_str!("../input.txt"); + let result = part1(input); + assert_eq!(result, 251346198); + } + + // #[test] + // fn example_part2() { + // let input = include_str!("../example.txt"); + // let result = part2(input); + // assert_eq!(result, 46); + // } + // + // #[test] + // fn input_part2() { + // let input = include_str!("../input.txt"); + // let result = part2(input); + // assert_eq!(result, 71585); + // } +} |