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base: ateijelo:6a74138d9eae86d6d34448ecdf9df5515eeb59d7
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ateijelo:main
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compare: ateijelo:3c0e91576018bc9fe1cae0b4516038b56afcd27a
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ateijelo:main

2 commits
6a74138d9e ... 3c0e915760

Author SHA1 Message Date
Andy Teijelo
3c0e915760 day 3 part 2 2023-12-03 01:30:57 -05:00
Andy Teijelo
51ca0433f8 day 3 part 1 2023-12-03 01:08:39 -05:00
3 changed files with 219 additions and 121 deletions
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15
example.txt
View file

@ -1,5 +1,10 @@
Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue
Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red
Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red
Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green
467..114..
...*......
..35..633.
......#...
617*......
.....+.58.
..592.....
......755.
...$.*....
.664.598..

240
input.txt
View file

@ -1,100 +1,140 @@
Game 1: 2 blue, 3 red; 3 green, 3 blue, 6 red; 4 blue, 6 red; 2 green, 2 blue, 9 red; 2 red, 4 blue
Game 2: 4 red, 1 green; 3 red; 13 green, 5 red, 3 blue; 3 green, 2 red; 3 blue, 5 red, 3 green; 2 red, 3 blue, 12 green
Game 3: 4 red, 1 green, 1 blue; 1 red, 1 blue; 6 red, 1 green; 6 red, 3 blue, 1 green; 4 red
Game 4: 4 blue, 12 red, 4 green; 6 green, 3 blue, 19 red; 3 blue, 2 red, 2 green
Game 5: 1 red, 5 blue, 16 green; 1 red, 6 green, 3 blue; 2 red, 12 blue; 17 blue, 3 green; 7 green, 2 red, 6 blue
Game 6: 3 green, 1 blue, 5 red; 5 green, 5 red; 2 green, 2 blue, 3 red; 5 green, 2 red; 3 green, 6 red, 3 blue; 5 green, 4 red
Game 7: 15 blue, 1 red, 6 green; 4 blue, 7 green, 2 red; 14 blue, 5 green, 2 red
Game 8: 6 blue, 3 green, 10 red; 2 blue, 1 green, 5 red; 6 blue, 3 green, 12 red; 11 red, 1 green, 1 blue; 5 blue, 14 red, 3 green; 3 red
Game 9: 15 red, 3 blue; 1 blue, 16 red; 1 red, 3 blue; 1 blue, 1 green, 9 red
Game 10: 1 red; 1 blue, 7 green; 1 green, 5 blue; 3 blue, 3 green; 1 green
Game 11: 19 blue, 13 green; 19 blue, 2 green; 10 blue, 3 red, 12 green; 11 blue, 1 red, 6 green
Game 12: 7 green, 5 blue; 6 green, 3 red, 6 blue; 2 red, 5 blue, 15 green; 2 red, 1 blue, 1 green; 4 red, 4 green, 2 blue; 3 blue, 6 green
Game 13: 9 red, 2 blue, 2 green; 1 blue, 2 red, 15 green; 9 green, 2 blue, 9 red; 5 blue, 8 green, 5 red; 2 blue, 11 green, 5 red
Game 14: 9 blue, 1 red; 10 blue, 4 green, 3 red; 2 red, 6 blue; 4 green, 2 blue, 1 red; 5 green, 2 red, 11 blue; 12 blue, 2 red, 1 green
Game 15: 9 blue, 7 green, 12 red; 9 red, 17 green, 8 blue; 6 red, 4 blue, 4 green; 5 red, 17 green
Game 16: 5 green, 4 red; 3 blue, 3 red, 14 green; 6 red, 5 blue, 12 green
Game 17: 8 blue, 5 green, 2 red; 6 red, 6 blue; 9 red; 5 blue, 2 green, 8 red; 13 red, 4 blue, 4 green; 9 blue, 3 green, 5 red
Game 18: 8 green, 1 red, 2 blue; 4 green, 4 red, 1 blue; 6 blue, 2 red
Game 19: 3 green, 9 blue; 4 blue, 10 red; 6 red, 3 green, 3 blue; 6 red, 4 green, 9 blue
Game 20: 11 green, 3 blue; 6 green; 3 green, 6 blue; 1 red, 5 green; 6 blue, 7 green
Game 21: 1 green, 1 blue, 12 red; 6 red, 2 blue; 5 green, 4 red, 2 blue; 11 red, 8 green, 1 blue
Game 22: 10 red; 1 red, 13 green, 9 blue; 6 blue, 12 red, 12 green; 10 red, 8 blue, 11 green; 2 green, 1 red, 3 blue; 7 red, 1 blue, 8 green
Game 23: 11 red, 15 blue; 10 blue, 16 red, 1 green; 14 blue, 5 red; 1 green, 9 red, 9 blue; 1 red, 7 blue, 3 green; 6 red, 2 green, 3 blue
Game 24: 6 blue, 11 red; 16 green, 2 red, 1 blue; 8 red, 7 blue; 14 blue, 9 green, 9 red; 13 green, 4 red, 8 blue; 2 red, 7 blue, 1 green
Game 25: 2 green, 12 blue, 1 red; 10 blue, 5 red, 5 green; 2 blue, 9 red, 3 green; 5 blue, 4 red, 2 green
Game 26: 7 blue, 6 red, 1 green; 2 blue, 3 green, 12 red; 2 blue, 6 red, 5 green
Game 27: 2 green, 3 red; 4 green; 2 red, 1 blue, 1 green; 2 red, 1 green, 2 blue
Game 28: 11 blue, 1 red, 5 green; 2 blue, 2 red, 4 green; 10 blue, 4 red, 1 green
Game 29: 6 blue, 17 red, 1 green; 8 blue, 4 red; 14 blue, 1 red, 3 green
Game 30: 2 blue, 4 green; 7 green, 1 blue, 1 red; 1 blue, 8 green
Game 31: 15 blue, 9 green, 2 red; 5 green, 4 blue, 1 red; 1 green, 15 red, 7 blue; 5 red, 2 blue
Game 32: 1 blue, 5 red, 3 green; 3 green, 8 red, 1 blue; 5 green, 1 red; 4 green, 3 blue, 15 red; 2 green, 1 blue; 4 blue, 15 red, 4 green
Game 33: 3 red, 10 blue; 4 red, 9 blue; 1 green, 10 blue
Game 34: 3 blue, 1 green, 9 red; 4 green, 2 red, 9 blue; 7 blue, 3 red; 6 blue, 13 red; 4 green, 13 blue, 9 red
Game 35: 14 red, 1 green; 1 red, 2 green, 4 blue; 3 blue, 10 red, 6 green; 5 blue, 6 red, 7 green; 7 blue, 5 red
Game 36: 2 blue, 8 red, 9 green; 9 green, 3 red, 10 blue; 6 red, 8 blue, 1 green; 6 green, 8 red, 4 blue
Game 37: 10 green, 3 red, 6 blue; 2 blue, 9 red, 5 green; 13 green, 9 red, 10 blue; 2 blue, 4 green, 9 red
Game 38: 4 red, 14 blue, 12 green; 6 red, 12 green, 18 blue; 6 green, 1 blue, 1 red
Game 39: 5 red, 1 blue, 3 green; 1 blue, 3 green, 8 red; 15 red, 1 blue, 5 green; 3 green, 5 red; 1 blue, 14 red; 3 green, 1 blue, 12 red
Game 40: 8 green, 4 blue; 5 blue, 7 red, 8 green; 5 blue, 8 green; 6 green, 3 red, 12 blue; 14 blue, 7 green, 2 red; 1 green, 7 red, 5 blue
Game 41: 7 red, 10 green; 10 red, 6 green; 9 red, 7 green, 1 blue; 3 red, 1 blue
Game 42: 3 green, 2 blue, 13 red; 1 blue, 3 red; 11 green, 16 red; 3 green, 1 blue, 16 red; 5 red, 8 green
Game 43: 12 blue, 9 red; 16 blue, 2 red, 7 green; 4 red, 1 blue, 11 green; 15 blue, 4 red, 9 green
Game 44: 17 green, 5 blue, 2 red; 9 green, 11 blue, 1 red; 20 green, 3 blue, 8 red; 2 red, 13 green, 9 blue; 15 green, 12 blue; 4 blue, 7 green, 9 red
Game 45: 5 green; 5 green, 1 red; 3 green, 2 blue; 1 green, 1 blue, 1 red
Game 46: 10 red, 11 green; 16 green, 8 blue, 12 red; 9 green, 9 blue
Game 47: 20 green, 17 red, 1 blue; 16 red, 2 blue, 11 green; 3 blue, 19 red, 1 green; 3 blue, 17 red, 17 green; 12 green, 2 blue, 7 red
Game 48: 1 red, 4 blue, 6 green; 19 green, 1 red, 1 blue; 16 green, 3 blue, 1 red; 3 blue, 17 green; 4 blue, 12 green
Game 49: 13 green, 2 blue, 1 red; 1 green, 8 red, 2 blue; 11 red, 11 green, 3 blue; 7 red, 8 green, 4 blue
Game 50: 11 blue, 1 red, 2 green; 1 green, 10 blue; 1 blue; 6 blue; 1 green, 2 blue
Game 51: 3 red, 3 green, 1 blue; 3 green, 3 red; 10 green, 4 red; 3 red, 2 green
Game 52: 1 red, 4 blue; 1 green, 11 blue; 1 green, 3 red, 6 blue; 4 red, 1 green, 4 blue; 9 blue, 1 green; 10 blue, 1 green
Game 53: 2 blue, 4 green, 1 red; 8 blue, 4 red, 7 green; 9 red, 7 blue, 6 green; 3 red, 7 green, 1 blue; 2 red, 9 blue, 5 green; 1 green, 7 red, 10 blue
Game 54: 1 red, 1 blue, 5 green; 2 red, 1 green, 2 blue; 3 green, 3 blue, 2 red; 4 red; 12 red, 5 green, 2 blue
Game 55: 2 red, 11 blue; 16 green, 7 red, 16 blue; 4 blue, 11 green, 7 red; 8 green, 18 blue, 8 red
Game 56: 2 blue, 2 green, 1 red; 1 red, 1 green; 1 red; 4 green; 1 blue; 1 blue, 7 green
Game 57: 4 blue, 3 green; 16 green, 2 red, 5 blue; 1 red, 13 green, 2 blue; 3 blue, 12 green, 2 red; 2 red, 5 blue, 4 green; 10 green, 2 blue
Game 58: 3 blue, 8 green; 4 green, 3 blue; 7 green, 5 blue, 5 red; 8 green; 3 red, 6 blue, 9 green; 2 red, 10 green, 4 blue
Game 59: 7 blue, 6 green, 5 red; 7 red, 2 blue; 5 red, 11 green, 14 blue; 8 green, 17 red
Game 60: 3 green, 8 blue, 2 red; 4 green, 7 blue, 6 red; 13 blue, 8 green, 2 red; 10 red, 6 blue, 5 green; 11 green, 3 blue, 4 red; 9 red, 5 green, 9 blue
Game 61: 4 red, 18 blue, 13 green; 9 green, 5 red, 3 blue; 4 green, 3 blue, 4 red; 8 red, 4 green, 7 blue; 8 red, 4 blue, 6 green; 10 green, 5 red, 14 blue
Game 62: 12 red, 14 blue, 9 green; 9 blue, 6 red, 4 green; 2 red, 5 blue; 1 red, 12 blue
Game 63: 11 blue, 13 red, 11 green; 4 blue, 9 green; 8 blue, 9 red; 7 red, 11 green, 7 blue
Game 64: 10 blue, 8 red, 12 green; 10 red, 12 blue, 9 green; 3 green, 17 red; 12 green, 15 blue, 16 red; 6 green, 15 blue, 1 red; 9 red, 6 blue, 10 green
Game 65: 7 red, 7 blue; 3 blue, 1 red, 1 green; 3 red, 8 blue
Game 66: 1 blue, 3 red; 10 green, 5 blue; 4 green; 3 red, 11 green; 3 blue, 15 green, 3 red
Game 67: 1 red; 2 blue, 2 green, 1 red; 6 green, 1 blue
Game 68: 7 red, 4 blue; 4 blue, 6 red, 7 green; 2 green, 19 red, 11 blue; 11 green, 9 red
Game 69: 4 blue, 3 green, 1 red; 7 blue, 1 red, 3 green; 5 blue, 1 green; 2 blue, 10 green, 2 red; 2 red, 6 green, 5 blue; 1 red, 4 green, 2 blue
Game 70: 9 blue, 7 red, 6 green; 19 blue, 4 red, 5 green; 6 blue, 7 red, 4 green; 3 blue, 4 red, 2 green
Game 71: 6 green, 12 blue, 4 red; 11 red, 10 green, 11 blue; 3 red, 14 blue, 13 green; 4 blue, 3 green
Game 72: 2 green, 1 blue, 9 red; 10 red, 3 green, 1 blue; 11 red, 2 green; 2 green, 1 blue, 5 red; 1 red, 1 blue, 3 green; 13 red, 4 blue, 1 green
Game 73: 11 green, 6 blue; 7 green, 6 blue, 7 red; 12 green, 8 blue, 11 red; 4 red, 2 blue, 9 green; 4 green, 7 blue, 2 red
Game 74: 3 blue, 7 red; 3 blue, 5 green, 2 red; 5 red, 1 green, 3 blue; 8 green, 2 blue, 11 red; 3 blue, 8 green, 10 red
Game 75: 2 green; 5 blue; 1 blue, 1 red; 1 red, 9 blue, 2 green; 2 blue, 2 green
Game 76: 12 blue, 13 green; 5 red, 11 blue, 9 green; 12 green, 6 red
Game 77: 1 blue, 15 green, 12 red; 15 green, 5 blue; 14 green, 3 blue, 8 red
Game 78: 11 green, 8 blue, 1 red; 9 green, 8 blue, 1 red; 13 green, 5 red, 6 blue; 5 red, 7 green, 20 blue; 10 blue, 5 red
Game 79: 3 blue; 6 blue, 5 red; 4 red, 1 green, 4 blue; 7 blue, 6 red; 7 red, 1 blue; 1 red, 1 blue, 1 green
Game 80: 11 green, 3 red, 8 blue; 2 red, 15 green, 2 blue; 5 green, 8 blue, 2 red; 8 blue, 14 green; 2 blue, 13 green
Game 81: 9 red, 4 green; 7 green, 4 red; 2 red, 4 blue, 6 green; 6 red, 4 blue, 9 green; 1 green, 3 red; 6 green, 1 blue, 8 red
Game 82: 5 blue, 3 red, 3 green; 5 red; 2 red, 3 green, 8 blue
Game 83: 10 green, 1 red, 1 blue; 3 red, 1 green, 1 blue; 4 red, 10 green
Game 84: 16 red, 2 green, 6 blue; 6 red, 3 green, 8 blue; 3 green, 10 red, 5 blue; 4 blue, 3 green; 15 red
Game 85: 3 green, 2 red; 5 green, 4 blue; 5 green, 8 red, 3 blue
Game 86: 7 green, 16 blue, 7 red; 1 green, 12 red, 2 blue; 15 green, 16 blue, 7 red
Game 87: 1 red, 6 green, 5 blue; 2 green, 1 blue; 2 green, 1 red, 1 blue; 5 green, 4 blue
Game 88: 3 green, 3 red, 4 blue; 1 red, 1 green; 6 blue, 9 red, 1 green; 1 green, 11 red, 3 blue; 7 red, 6 blue
Game 89: 2 blue, 3 red, 4 green; 5 red, 7 blue, 14 green; 8 blue, 5 red, 16 green; 2 blue, 5 red, 7 green; 5 green, 9 blue, 1 red
Game 90: 1 blue, 3 red, 7 green; 11 green, 4 red, 1 blue; 1 red, 1 blue, 6 green; 2 blue, 2 green; 8 green, 2 blue; 3 red, 2 blue, 4 green
Game 91: 6 blue, 4 red, 1 green; 8 red, 3 blue, 3 green; 1 green, 2 blue, 5 red; 1 blue, 3 green
Game 92: 8 green, 1 red, 5 blue; 2 green, 7 blue; 11 blue, 5 green, 8 red; 7 blue, 3 red, 4 green
Game 93: 3 green, 1 red, 9 blue; 13 red, 5 blue, 8 green; 5 green, 2 red, 7 blue
Game 94: 4 green, 10 blue, 8 red; 4 red, 10 blue, 2 green; 2 green, 10 blue, 5 red; 5 green, 2 red, 10 blue
Game 95: 5 green, 1 blue; 3 blue, 11 green, 8 red; 8 blue, 2 red, 12 green; 4 green, 4 blue, 4 red
Game 96: 1 blue, 13 green; 8 blue, 3 red, 4 green; 1 red, 3 blue, 10 green
Game 97: 18 green, 4 red; 1 blue, 2 red, 9 green; 6 red, 3 blue, 10 green; 3 blue, 15 green, 4 red
Game 98: 2 blue, 3 green, 6 red; 1 green, 1 blue, 8 red; 8 red, 3 green, 1 blue; 2 blue; 8 red, 2 green, 2 blue
Game 99: 1 green, 2 red, 1 blue; 8 green, 4 blue, 1 red; 7 blue, 1 red, 11 green; 9 green, 3 blue; 1 red, 2 blue; 1 red, 6 blue
Game 100: 7 blue, 9 green, 2 red; 5 red, 9 green; 1 blue, 8 red, 13 green
...............776..............552........968..................589...26...........484..............958......186....546.........484.........
.........*.........778....................*....124...................................*...............*........%..26.........................
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904...........*2.......#......259.....*..........801......464................597.569.............794+................$..218....502..........
...*.....................-...$.....%..431.........*...810.....840+.668..........*.......144=.............................../...........%627.
...890...497.........829.643....504..........465..502..............*........488...................787.184...601....215........-450..........
.......................*............684.....*.............466...970....646..%...........399...........*.............=....88...........=415..
....................139........415...+......854.....683....*.........+.=.......107.676.....*451......83..416....856.....%....765............
..............163..............*...................*......796.....992.............*...............................#.798.....*......819......
.../....678..*...........429..351..........937......629.................*59.677..........652$.292....................*..431..184..*......688
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.....................306.........335.................*......+...*..................563..240..................*.......349*708...244...319....
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............237.......180...........#.691...276...........909...............$..527...881.*.....*...585....224....762.....389..193...........
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993...906................*.....685..688........385...*........925..*................................700*...811..=......295.....$311.....-...
...@.................956..809.......*..............................577....965.......%846.....$...@.............839..........................
.........704.393%....*............1..562..............716.................$..................387.645........................571.342./.......
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.....272..481.................288.....................370.....*.....740...........281..............430..13..$...............................
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........944......946..............766.477.492......835......806...........214.........*......*..............................*......%....633.
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85
src/main.rs
View file

@ -2,29 +2,82 @@ use anyhow::Result;
use fancy_regex::Regex;
use std::{collections::HashMap, io::stdin};
fn is_gear(x: i32, y: i32, lines: &[&[u8]]) -> bool {
if x < 0 {
return false;
}
if y < 0 {
return false;
}
if y as usize >= lines.len() {
return false;
}
let line = &lines[y as usize];
if x as usize >= line.len() {
return false;
}
if line[x as usize] == b'*' {
return true;
}
false
}
fn find_gears(x: i32, y: i32, len: i32, lines: &[&[u8]]) -> Vec<(i32, i32)> {
let mut v = vec![];
for cx in (x - 1)..(x + len) {
if is_gear(cx, y - 1, lines) {
v.push((cx, y - 1));
}
}
for cy in (y - 1)..=y {
if is_gear(x + len, cy, lines) {
v.push((x + len, cy));
}
}
for cx in x..=(x + len) {
if is_gear(cx, y + 1, lines) {
v.push((cx, y + 1));
}
}
for cy in y..=(y + 1) {
if is_gear(x - 1, cy, lines) {
v.push((x - 1, cy));
}
}
v
}
fn main() -> Result<()> {
let game_re = Regex::new(r"Game (\d+): (.+)")?;
let cube_re = Regex::new(r"(\d+) (blue|red|green)")?;
let num_re = Regex::new(r"(\d+)")?;
let mut sum = 0;
for line in stdin().lines() {
let line = line?;
let c = game_re.captures(&line)?.unwrap();
let desc = c.get(2).unwrap().as_str();
let lines: Vec<String> = stdin().lines().map_while(Result::ok).collect();
let raw_lines: Vec<&[u8]> = lines.iter().map(|s| s.as_bytes()).collect();
let mut max_colors = HashMap::from([("red", 0), ("green", 0), ("blue", 0)]);
for round in desc.split(';') {
for cube in cube_re.captures_iter(round) {
let cube = cube?;
let count: i32 = cube.get(1).unwrap().as_str().parse()?;
let color = cube.get(2).unwrap().as_str();
let mut gear_map: HashMap<(i32, i32), Vec<i32>> = HashMap::new();
let n = max_colors.get(&color).unwrap();
max_colors.insert(color, i32::max(*n, count));
for (lineno, line) in lines.iter().enumerate() {
for m in num_re.captures_iter(line) {
let m = m?;
let num_match = m.get(1).unwrap();
let num_text = num_match.as_str();
let num: i32 = num_text.parse()?;
let gears = find_gears(
num_match.start() as i32,
lineno as i32,
num_text.len() as i32,
&raw_lines,
);
for gear in gears {
let e = gear_map.entry(gear).or_default();
e.push(num);
}
}
let power: i32 = max_colors.values().product();
sum += power;
}
for v in gear_map.values() {
if v.len() == 2 {
sum += v.iter().product::<i32>();
}
}
println!("{sum}");