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day3 part1

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Candygoblen123 2023-12-05 14:48:33 -05:00
parent 993b5e8e3b
commit 89a46e88f5
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GPG Key ID: 577DA64EBEF10385
5 changed files with 321 additions and 45 deletions
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90
day3/src/main.rs
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@ -3,69 +3,69 @@ use std::fs;
use array2d::Array2D; use array2d::Array2D;
pub fn main() {
let input = fs::read_to_string("input.txt").unwrap();
let array_2d = get_map(&input);
// let mut r = Vec::new();
let mut stars_count: HashMap<(usize, usize), Vec<u32>> = HashMap::new();
for (y, row_iter) in array_2d.rows_iter().enumerate() {
let mut checked = false;
for (x, element) in row_iter.enumerate() {
let d: char = element.clone();
if d.is_digit(10) && !checked {
let star_vec = get_neighboring_star(x, y, &array_2d);
if !star_vec.is_empty() {
let (x_star, y_star, _) = star_vec.first().unwrap().clone();
let key = (x_star, y_star);
let gear = get_number(x, y, &array_2d);
if stars_count.contains_key(&key) {
let mut v: Vec<u32> = stars_count.get(&(x_star, y_star)).unwrap().clone();
v.push(gear);
stars_count.insert(key, v);
} else {
stars_count.insert(key, vec![gear]);
}
checked = true
}
} else if !d.is_digit(10) {
checked = false;
}
}
}
let r = stars_count.iter().fold(0u32, |acc, (_, gears)| {
if gears.len() == 2 {
acc + gears.first().unwrap() * gears.last().unwrap()
} else {
acc
}
});
println!("{}", r);
}
// pub fn main() { // pub fn main() {
// let input = fs::read_to_string("input.txt").unwrap(); // let input = fs::read_to_string("input.txt").unwrap();
// let array_2d = get_map(&input); // let array_2d = get_map(&input);
// let mut r = 0; // // let mut r = Vec::new();
// let mut stars_count: HashMap<(usize, usize), Vec<u32>> = HashMap::new();
// for (y, row_iter) in array_2d.rows_iter().enumerate() { // for (y, row_iter) in array_2d.rows_iter().enumerate() {
// let mut checked = false; // let mut checked = false;
// for (x, element) in row_iter.enumerate() { // for (x, element) in row_iter.enumerate() {
// let d: char = element.clone(); // let d: char = element.clone();
// if d.is_digit(10) && !checked { // if d.is_digit(10) && !checked {
// if !get_neighbors(x, y, &array_2d).is_empty() { // let star_vec = get_neighboring_star(x, y, &array_2d);
// checked = true; // if !star_vec.is_empty() {
// let (x_star, y_star, _) = star_vec.first().unwrap().clone();
// r += get_number(x, y, &array_2d) // let key = (x_star, y_star);
// let gear = get_number(x, y, &array_2d);
// if stars_count.contains_key(&key) {
// let mut v: Vec<u32> = stars_count.get(&(x_star, y_star)).unwrap().clone();
// v.push(gear);
// stars_count.insert(key, v);
// } else {
// stars_count.insert(key, vec![gear]);
// }
// checked = true
// } // }
// } else if !d.is_digit(10) { // } else if !d.is_digit(10) {
// checked = false; // checked = false;
// } // }
// } // }
// } // }
// let r = stars_count.iter().fold(0u32, |acc, (_, gears)| {
// if gears.len() == 2 {
// acc + gears.first().unwrap() * gears.last().unwrap()
// } else {
// acc
// }
// });
// println!("{}", r); // println!("{}", r);
// } // }
pub fn main() {
let input = fs::read_to_string("input.txt").unwrap();
let array_2d = get_map(&input);
let mut r = 0;
for (y, row_iter) in array_2d.rows_iter().enumerate() {
let mut checked = false;
for (x, element) in row_iter.enumerate() {
let d: char = element.clone();
if d.is_digit(10) && !checked {
if !get_neighbors(x, y, &array_2d).is_empty() {
checked = true;
r += get_number(x, y, &array_2d)
}
} else if !d.is_digit(10) {
checked = false;
}
}
}
println!("{}", r);
}
fn get_map(input: &str) -> Array2D<char> { fn get_map(input: &str) -> Array2D<char> {
let rows: Vec<&str> = input.split("\n").collect(); let rows: Vec<&str> = input.split("\n").collect();
let mut array = Vec::new(); let mut array = Vec::new();

7
day4/Cargo.lock generated Normal file
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@ -0,0 +1,7 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
version = 3
[[package]]
name = "day4"
version = "0.1.0"

8
day4/Cargo.toml Normal file
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@ -0,0 +1,8 @@
[package]
name = "day4"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]

215
day4/input.txt Normal file
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@ -0,0 +1,215 @@
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Card 152: 79 86 12 80 63 90 53 66 44 74 | 42 46 35 15 82 96 39 65 44 32 76 83 80 28 66 48 74 22 30 89 16 55 79 17 51
Card 153: 88 32 87 77 93 47 33 91 76 17 | 5 89 39 2 93 23 49 12 35 38 45 47 24 1 78 86 60 14 40 75 63 88 90 22 36
Card 154: 4 18 83 74 53 60 26 67 5 43 | 64 44 70 3 87 26 79 46 71 92 63 72 34 15 28 86 75 29 20 61 89 17 6 96 10
Card 155: 77 76 8 1 35 49 21 55 72 63 | 6 97 79 59 93 76 91 68 14 46 23 81 39 49 50 8 4 47 31 37 86 26 22 63 1
Card 156: 5 22 35 87 59 90 78 93 61 48 | 25 57 22 78 38 67 42 93 9 31 87 47 44 5 10 35 39 98 90 65 48 59 61 23 64
Card 157: 23 34 11 19 99 44 30 66 28 25 | 13 34 19 11 69 30 22 46 74 51 66 99 58 25 29 63 90 91 23 80 44 9 88 28 35
Card 158: 11 79 89 50 86 20 8 85 96 92 | 86 40 13 5 50 92 43 85 27 39 77 79 59 18 53 89 28 20 75 11 83 55 36 96 60
Card 159: 70 79 61 17 65 9 7 87 1 91 | 42 34 70 46 89 60 43 40 87 99 73 16 94 5 35 18 91 32 38 61 7 39 98 84 69
Card 160: 25 4 98 71 48 30 15 82 43 83 | 83 78 81 21 85 73 92 57 90 71 36 6 30 12 82 61 50 47 38 74 37 88 11 51 89
Card 161: 70 8 82 32 7 65 21 72 74 87 | 76 21 59 19 58 87 97 77 36 62 88 69 48 68 51 25 64 5 85 15 61 56 52 34 67
Card 162: 73 25 70 52 24 69 50 77 79 99 | 80 52 13 24 66 93 47 77 39 36 72 2 63 25 18 59 55 97 76 21 7 73 37 69 33
Card 163: 87 77 10 26 79 6 67 58 46 49 | 73 33 87 97 27 39 82 23 79 60 28 25 66 98 70 55 40 3 19 5 58 30 74 52 31
Card 164: 3 15 4 21 41 13 30 91 33 69 | 12 97 59 62 93 50 83 3 2 18 11 53 35 74 4 88 89 42 85 55 6 94 84 31 21
Card 165: 68 70 46 1 56 85 86 8 71 65 | 66 25 77 2 61 46 28 85 27 37 48 24 80 95 53 76 40 68 12 41 51 74 4 93 20
Card 166: 86 7 83 63 8 14 31 38 35 49 | 72 10 76 54 52 19 82 81 25 78 66 6 15 11 42 27 33 46 57 91 75 17 98 88 37
Card 167: 1 21 19 11 5 3 52 91 24 25 | 37 50 34 91 23 18 43 78 97 76 84 74 72 83 81 8 85 28 67 7 14 44 68 61 35
Card 168: 89 88 2 98 97 40 94 95 7 28 | 4 86 77 52 10 15 69 53 46 36 38 17 93 43 75 57 48 30 27 78 60 81 96 32 65
Card 169: 56 12 15 19 6 72 29 8 46 77 | 19 45 14 20 18 29 5 1 54 95 84 12 6 50 44 63 73 15 46 56 72 16 8 32 77
Card 170: 18 94 75 79 6 64 85 1 71 29 | 64 18 3 94 85 8 71 6 26 31 47 40 56 29 75 5 28 95 82 58 13 1 66 79 39
Card 171: 88 58 47 35 33 31 34 71 91 59 | 92 11 73 71 34 13 74 35 60 26 50 95 54 3 23 76 18 7 88 83 9 16 33 43 59
Card 172: 56 52 15 39 76 68 30 33 70 19 | 18 68 74 66 60 7 39 56 52 87 90 67 9 33 19 76 23 8 30 15 29 13 70 50 77
Card 173: 93 87 6 11 64 71 81 49 48 21 | 48 66 17 49 21 64 11 71 23 43 93 79 35 87 29 81 37 36 32 88 31 6 82 92 84
Card 174: 68 7 62 39 6 79 20 61 29 96 | 34 86 5 79 23 36 48 98 47 8 29 61 62 72 7 56 44 17 85 78 68 13 33 51 37
Card 175: 96 45 30 33 12 22 82 46 69 52 | 82 20 22 69 96 73 12 54 52 46 4 75 86 37 33 76 45 80 68 6 25 15 30 71 7
Card 176: 61 72 5 46 45 49 94 48 89 95 | 43 45 10 49 62 1 89 79 19 29 18 99 94 5 57 41 25 95 75 87 46 72 26 48 61
Card 177: 93 36 28 85 57 24 27 17 19 68 | 19 28 53 82 20 27 68 73 86 76 48 17 13 41 24 7 34 36 72 8 90 14 45 57 35
Card 178: 52 47 54 9 13 27 82 97 33 5 | 25 9 54 77 86 82 27 52 47 33 76 28 18 93 41 5 97 73 98 87 89 65 4 38 13
Card 179: 38 31 71 4 86 44 36 50 78 21 | 1 3 94 65 4 39 67 88 92 42 81 21 17 78 69 41 87 63 10 86 74 8 75 43 36
Card 180: 41 68 58 43 11 7 3 37 30 76 | 73 37 96 75 83 2 46 15 18 41 26 82 3 61 51 17 49 76 38 80 24 33 22 99 34
Card 181: 36 46 17 50 81 39 49 23 53 29 | 12 30 90 9 16 32 72 84 7 51 71 66 25 89 40 87 60 96 83 97 21 64 34 6 44
Card 182: 66 64 16 37 97 95 77 93 86 30 | 95 31 16 6 5 93 77 37 1 66 27 4 40 86 14 17 78 80 30 47 9 23 92 76 85
Card 183: 23 90 41 96 54 79 46 85 55 45 | 28 61 65 7 46 66 52 19 97 98 96 23 99 12 17 16 35 56 29 33 54 60 44 6 37
Card 184: 69 16 91 59 97 17 77 87 83 35 | 68 6 77 95 85 35 91 24 4 1 16 51 63 34 17 93 32 43 9 67 28 83 69 59 87
Card 185: 86 93 46 12 27 7 50 25 77 83 | 67 61 18 93 19 37 86 6 26 73 36 95 11 23 50 53 32 77 49 56 96 13 20 25 2
Card 186: 62 30 38 84 47 82 66 37 36 77 | 77 79 36 5 19 47 81 85 48 66 10 37 49 40 82 95 31 90 65 60 44 8 56 54 7
Card 187: 26 23 34 78 49 43 97 8 4 24 | 12 4 35 77 99 87 73 38 34 15 50 92 55 21 71 28 10 90 95 22 93 44 59 96 51
Card 188: 89 18 56 10 22 99 57 86 85 80 | 98 88 82 12 67 71 66 87 86 73 97 41 69 57 80 20 9 96 8 99 23 56 19 15 36
Card 189: 9 7 72 87 55 23 79 86 89 37 | 99 35 98 72 62 70 44 41 66 84 11 80 50 51 33 12 8 32 68 95 53 39 73 43 17
Card 190: 73 30 34 92 99 5 71 22 35 10 | 6 85 89 15 65 2 23 69 90 88 56 25 26 68 47 14 24 39 76 84 28 71 49 8 3
Card 191: 88 95 57 69 60 82 68 70 87 40 | 30 51 75 84 11 67 45 81 35 85 50 24 70 93 13 17 76 79 97 72 98 58 38 25 34
Card 192: 56 82 59 30 71 2 70 97 3 51 | 6 88 84 25 9 42 14 93 56 99 69 73 68 76 1 81 35 48 11 87 65 23 66 32 10
Card 193: 89 62 23 74 44 55 92 87 50 91 | 61 77 54 52 39 48 67 82 66 57 30 72 18 35 46 96 81 38 69 32 17 47 27 53 25
Card 194: 43 62 87 49 65 26 10 72 92 66 | 23 49 43 72 35 88 66 65 28 25 62 80 96 13 64 18 34 69 10 59 41 92 6 26 37
Card 195: 23 34 36 91 62 49 81 10 60 21 | 52 60 28 21 49 38 4 10 83 23 13 36 81 68 20 34 31 62 27 14 44 47 67 35 91
Card 196: 46 73 39 86 11 32 17 9 92 35 | 35 73 11 40 54 86 4 19 89 39 23 9 56 17 74 85 5 57 92 46 45 21 27 50 32
Card 197: 67 84 19 32 66 39 37 52 94 64 | 61 17 59 69 90 52 66 55 79 38 12 37 84 16 67 95 36 32 64 94 1 56 51 39 83
Card 198: 4 37 72 50 66 39 56 64 9 41 | 6 50 65 41 21 82 71 56 90 72 2 14 98 64 12 69 89 47 37 4 9 32 39 66 51
Card 199: 7 40 49 60 2 57 78 55 23 25 | 98 23 78 40 55 60 77 25 34 12 43 7 37 75 69 3 57 30 64 42 49 22 71 2 83
Card 200: 91 56 16 83 96 19 27 32 23 55 | 77 64 31 59 27 96 1 4 53 30 15 29 94 60 98 3 22 65 61 6 11 89 54 58 74
Card 201: 20 37 11 66 35 13 83 60 56 63 | 63 82 54 25 56 53 35 22 11 60 40 41 13 20 83 98 29 36 28 78 92 66 37 33 16
Card 202: 80 56 59 24 67 20 79 85 14 18 | 59 85 18 20 24 17 6 66 70 94 67 14 56 93 40 15 7 1 80 58 83 75 79 65 77
Card 203: 90 55 42 62 95 51 54 40 47 29 | 95 34 86 1 68 51 63 30 84 11 37 87 50 49 16 22 78 45 36 58 31 35 59 21 65
Card 204: 15 25 27 81 55 54 8 93 53 96 | 90 57 80 73 5 55 71 47 98 32 87 69 58 13 59 82 29 1 41 25 64 97 30 85 36
Card 205: 50 88 26 77 58 16 6 1 25 62 | 47 67 1 24 17 52 22 39 54 15 14 60 42 6 88 98 58 2 93 51 13 80 36 92 86
Card 206: 20 51 38 73 58 93 40 62 43 71 | 40 1 70 43 51 32 38 14 41 20 30 85 76 65 24 93 34 12 6 21 71 53 75 80 62
Card 207: 10 92 3 99 67 2 83 71 25 17 | 2 88 70 39 18 92 22 99 83 47 17 52 42 5 38 40 77 10 24 7 76 35 71 12 3
Card 208: 25 81 92 55 68 41 18 75 12 67 | 96 6 86 20 76 89 92 40 30 17 77 13 24 69 45 37 70 42 63 88 43 9 75 53 3
Card 209: 35 7 5 56 57 51 75 66 78 85 | 52 23 86 45 59 14 1 16 95 13 56 38 69 8 49 22 72 35 40 26 43 7 15 44 96
Card 210: 35 83 8 27 2 39 47 29 25 61 | 74 21 88 92 35 13 76 29 73 39 62 3 67 71 66 23 16 4 40 7 42 19 72 22 31
Card 211: 38 58 71 14 20 92 85 63 90 34 | 54 93 16 39 1 62 13 51 46 77 42 24 15 41 94 71 3 29 43 19 12 30 78 50 80
Card 212: 54 52 17 49 4 66 55 74 12 39 | 78 59 48 28 60 53 68 33 34 10 84 88 40 41 51 45 67 71 18 64 32 27 3 82 8
Card 213: 53 70 23 28 63 52 88 2 98 29 | 7 26 82 72 14 84 60 78 29 51 1 11 93 89 80 12 55 90 6 2 67 71 35 41 32
Card 214: 14 75 87 20 74 97 99 89 25 64 | 76 59 61 96 63 31 9 83 68 8 65 13 73 23 84 49 11 35 88 98 15 50 36 79 22
Card 215: 33 3 95 82 18 59 74 8 40 62 | 80 28 78 57 81 87 53 86 51 91 32 11 10 99 97 39 1 36 4 14 22 68 21 55 92

46
day4/src/main.rs Normal file
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@ -0,0 +1,46 @@
use std::fs;
fn main() {
let input = fs::read_to_string("input.txt").unwrap();
// an array in this format [[card 1: [winning nums][ our nums]]]
let input: Vec<_> = input.split('\n') // split days
.map(|card| &card[(card.find(':').unwrap() + 1)..]) // remove day numbers
.map(|card| card.trim()) // trim extra whitespace
.map(|card| {
card.split('|') // split winning/own numbers
.map(|numbers| {
numbers.trim() // trim whitespace
.split(' ') // split into individual nums
.filter(|x| !x.is_empty()) // remove empty strings
.map(|x| {return x.parse::<i32>().unwrap()}) // convert to i32
.collect::<Vec<_>>()
})
.collect::<Vec<_>>()
})
.collect();
let mut total_pts = 0;
for card in input {
let mut card_pts = 0;
let winning_nums = card.first().unwrap();
let our_nums = card.last().unwrap();
for num in our_nums {
if winning_nums.contains(num) {
if card_pts == 0 {
card_pts = 1;
} else {
card_pts *= 2;
}
}
}
//println!("{}", card_pts);
total_pts += card_pts;
}
println!("{:?}", total_pts);
}