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day3 progress

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This commit is contained in:
simon
2024-09-27 15:12:11 +02:00
parent 71e99881de
commit 215c4dae8b
3 changed files with 82 additions and 31 deletions
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54
2023/day3/Cargo.lock generated
View File

@@ -2,6 +2,60 @@
# It is not intended for manual editing. # It is not intended for manual editing.
version = 3 version = 3
[[package]]
name = "aho-corasick"
version = "1.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916"
dependencies = [
"memchr",
]
[[package]]
name = "cute"
version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "45e700c2d1c3feea9b695e79b2dfeeb93040556a58c556fae23f71b1e6b449fd"
[[package]] [[package]]
name = "day3" name = "day3"
version = "0.1.0" version = "0.1.0"
dependencies = [
"cute",
"regex",
]
[[package]]
name = "memchr"
version = "2.7.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
[[package]]
name = "regex"
version = "1.10.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4219d74c6b67a3654a9fbebc4b419e22126d13d2f3c4a07ee0cb61ff79a79619"
dependencies = [
"aho-corasick",
"memchr",
"regex-automata",
"regex-syntax",
]
[[package]]
name = "regex-automata"
version = "0.4.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "38caf58cc5ef2fed281f89292ef23f6365465ed9a41b7a7754eb4e26496c92df"
dependencies = [
"aho-corasick",
"memchr",
"regex-syntax",
]
[[package]]
name = "regex-syntax"
version = "0.8.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7a66a03ae7c801facd77a29370b4faec201768915ac14a721ba36f20bc9c209b"

2
2023/day3/Cargo.toml
View File

@@ -4,3 +4,5 @@ version = "0.1.0"
edition = "2021" edition = "2021"
[dependencies] [dependencies]
cute = "0.3.0"
regex = "1.10.6"

57
2023/day3/src/main.rs
View File

@@ -1,44 +1,39 @@
use std::{fs::File, io::{self, BufRead}, path::Path, process::exit}; use core::num;
#[derive(Debug)] use regex::Regex;
struct Coord{ use std::{
line_index: usize, collections::HashMap,
char_index: usize, fs::File,
} io::{self, BufRead},
path::Path,
process::exit,
};
#[macro_use(c)]
extern crate cute;
fn main() { fn main() {
let symbol_ignore_list = ".123456789"; let ignore_list = "01234566789.";
let mut result = 0;
// symbol_array is a list of a list of coords.
// each list this array represents a line
// inside the line is the list of the coords of each symbol
let mut symbol_array: Vec<Vec<Coord>> = Vec::new();
// File hosts.txt must exist in the current path // File hosts.txt must exist in the current path
if let Ok(lines) = read_lines("./input") { if let Ok(lines) = read_lines("./input") {
// Consumes the iterator, returns an (Optional) String // Consumes the iterator, returns an (Optional) String
let lines_array = lines.flatten().collect::<Vec<String>>(); let lines_array: Vec<String> = lines.flatten().collect::<Vec<String>>();
// collect a list of all symbols
for line_index in 0..lines_array.len(){
let mut line_symbol_array: Vec<Coord> = Vec::new();
for char_index in 0..lines_array[line_index].len(){
let cur_char = lines_array[line_index].chars().collect::<Vec<char>>()[char_index];
if !symbol_ignore_list.contains(cur_char){
let c = Coord{line_index:line_index,char_index:char_index};
line_symbol_array.push(c);
}
}
symbol_array.push(line_symbol_array);
}
for line_index in 0..lines_array.len(){ let mut symbols: HashMap<(i32, i32), Vec<i32>> = c! {key => Vec::new(), for key in c![(line_index as i32, char_index as i32), for char_index in 0..lines_array[line_index].len(), for line_index in 0..lines_array.len()]};
for char_index in 0..lines_array[line_index].len(){ println!("{symbols:?}");
exit(0);
for (line_index, line) in lines_array.iter().enumerate() {
let digit_regex = Regex::new(r"\d+").unwrap();
for finding in digit_regex.find_iter(line) {
println!("{}", finding.start());
}
} }
} }
} }
// The output is wrapped in a Result to allow matching on errors. // The output is wrapped in a Result to allow matching on errors.
// Returns an Iterator to the Reader of the lines of the file. // Returns an Iterator to the Reader of the lines of the file.result
fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>> fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
where P: AsRef<Path>, { where
P: AsRef<Path>,
{
let file = File::open(filename)?; let file = File::open(filename)?;
Ok(io::BufReader::new(file).lines()) Ok(io::BufReader::new(file).lines())
} }