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.gitignore vendored Normal file
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large.txt
medium.txt
small.txt
target
debug
*.swp
Cargo.lock

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2025/1/deadvey/Cargo.lock generated Normal file

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[package]
name = "deadvey"
version = "0.1.0"
edition = "2024"
[dependencies]
tokio = { version = "1.48.0", features = ["macros", "rt-multi-thread"] }
trash_parallelism = "0.1.102"

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use std::fs;
use std::time::Instant;
// Right = up/increase
// Left = down/decrease
#[tokio::main]
async fn main()
{
let mut position: i32 = 50;
let mut total1: i32 = 0;
let mut total2: i32 = 0;
let start = Instant::now();
let file_contents: String = fs::read_to_string("../large.txt").unwrap();
//let file_contents = read_file_to_string_async("large.txt").await.unwrap();
let file_read = start.elapsed();
let mut lines: Vec<&str> = file_contents
.split("\n")
.collect();
lines.pop();
let preamble = start.elapsed();
for line in lines
{
let movement = line.chars().next().unwrap();
let mut number: i32 = line[1..line.len()].parse().unwrap();
if movement == 'L' {
number = -number
};
if number < 0 {
total2 += (100 - position - number) / 100 - (position == 0) as i32
}
else {
total2 += (number+position) / 100
};
position = (position + number).rem_euclid(100);
if position == 0 {
total1 += 1;
}
}
let end = start.elapsed();
println!("part1: {total1}");
println!("part2: {total2}");
println!("Times:
File read: {:.2?}
Preamble: {:.2?}
Loop: {:.2?}
Average Loop: {:.2?}
Total: {:.2?}
",
file_read,
preamble,
end-preamble,
(end-preamble)/(100000).try_into().unwrap(),
end);
}

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[package]
name = "mememan"
version = "0.1.0"
edition = "2024"
[dependencies]

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use std::fs;
fn main() {
let start = std::time::Instant::now();
let raw = fs::read_to_string("../large.txt").unwrap();
let mut formatted: Vec<&str> = raw.split("\n").collect();
formatted.pop();
let mut point: i32 = 50;
let mut password_one = 0;
let mut password_two = 0;
for rot in formatted {
let mut chars = rot.chars();
let dir = chars.next().unwrap();
let dist = chars.as_str().parse::<i32>().unwrap();
if dir == 'L' {
if point - dist < 1 {
password_two += ((point - dist).abs() as f32 / 100.0).ceil() as i32;
point = (point - dist).rem_euclid(100);
if point == 0 {
password_one +=1;
}
// dbg!(point, ((point - dist).abs() as f32 / 100.0).ceil());
continue;
}
point = (point - dist).rem_euclid(100);
} else {
if point + dist > 99 {
password_two += ((point + dist) as f32 / 100.0).floor() as i32;
point = (point + dist).rem_euclid(100);
if point == 0 {
password_one += 1;
}
// dbg!(point, ((point + dist) as f32 / 100.0).floor());
continue;
}
point = (point + dist).rem_euclid(100);
}
if point == 0 {
password_one += 1;
password_two += 1;
}
// dbg!(point);
}
dbg!(password_one, password_two, std::time::Instant::now() - start);
}

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[package]
name = "deadvey"
version = "0.1.0"
edition = "2024"
[dependencies]

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use std::fs;
use std::time::Instant;
fn algorithm(vector: &Vec<Vec<&str>>) -> (u64, u64) {
let mut total1: u64 = 0;
let mut total2: u64 = 0;
for pair in vector
{
let num_1: u64 = pair[0].parse().unwrap();
let num_2: u64 = pair[1].parse().unwrap();
for num in num_1..=num_2 { // Loop over each number in the range
let num_string = num.to_string();
let num_length = num_string.len();
for chunk_width in (1..=(num_length/2)).rev() {
if num_length % chunk_width == 0 {
let chunks = num_length / chunk_width;
let mut same: bool = true;
let mut previous = &num_string[0..chunk_width];
for i in 0..chunks {
let current = &num_string[i*chunk_width..i*chunk_width+chunk_width];
if current != previous {
same = false;
break;
}
previous = current;
}
if same {
total2 += num;
if chunks == 2 {
total1 += num;
}
break;
}
}
}
}
}
(total1, total2)
}
// you can find the invalid IDs by looking for any ID which is made only of some sequence of digits repeated twice.
// So, 55 (5 twice), 6464 (64 twice), and 123123 (123 twice) would all be invalid IDs.
fn main() {
let start = Instant::now();
let mut file_contents: String = fs::read_to_string("../large.txt").unwrap();
file_contents.pop();// Remove \n
// Split it up
let pairs: Vec<Vec<&str>> = file_contents
.split(",")
.collect::<Vec<&str>>()
.iter()
.map(|s| s.split('-').collect())
.collect();
let file_read = start.elapsed();
let (total1, total2) = algorithm(&pairs);
// There's a lot of converting between int and string
let end = start.elapsed();
println!("part1: {total1}");
println!("part2: {total2}");
println!("Times:
File read: {:.2?}
Loop: {:.2?}
Avg time per pair: {:.2?}
Total: {:.4?}
",
file_read,
end-file_read,
(end-file_read)/(100).try_into().unwrap(),
end);
}

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[package]
name = "deadvey"
version = "0.1.0"
edition = "2024"
[dependencies]

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use std::fs;
use std::time::Instant;
fn algorithm(banks: &Vec<&str>) -> (u64, u64)
{
let bank_length = banks[0].len();
let mut total1: u64 = 0;
let mut total2: u64 = 0;
for bank in banks {
let mut prev_index = 0;
let mut joltages: [u64; 12] = [0; 12];
let mut highest: u64 = 0;
let mut overall_index = 0;
for i in 0..=11 {
for joltage in bank[prev_index..(bank_length-(11-i))].bytes() {
overall_index += 1;
if joltage == 57 {
highest = 9;
prev_index = overall_index;
break;
}
let joltage_int = joltage ^ 48; // ASCII mask using XOR (^)
if joltage_int as u64 > highest {
prev_index = overall_index;
highest = joltage_int as u64;
}
}
overall_index = prev_index;
joltages[i] = highest as u64;
highest = 0;
}
prev_index = 0;
for i in 0..=10 {
if joltages[i] > highest.into() {
highest = joltages[i] as u64;
prev_index = i+1;
}
}
total1 += (highest * 10) as u64;
highest = 0;
for i in prev_index..=11 {
if joltages[i] > highest.into() {
highest = joltages[i] as u64;
}
}
total1 += (highest) as u64;
total2 += joltages[0] * 10_u64.pow(11)
+ joltages[1] * 10_u64.pow(10)
+ joltages[2] * 10_u64.pow(9)
+ joltages[3] * 10_u64.pow(8)
+ joltages[4] * 10_u64.pow(7)
+ joltages[5] * 10_u64.pow(6)
+ joltages[6] * 10_u64.pow(5)
+ joltages[7] * 10_u64.pow(4)
+ joltages[8] * 10_u64.pow(3)
+ joltages[9] * 10_u64.pow(2)
+ joltages[10] * 10_u64
+ joltages[11];
}
(total1, total2)
}
// 987654321111111 = 1 bank
// 811111111111119
// 234234234234278
// 818181911112111
fn main() {
let start = Instant::now();
let file_contents: String = fs::read_to_string("../large.txt").unwrap();
let mut banks: Vec<&str> = file_contents
.split('\n')
.collect::<Vec<&str>>();
banks.pop();
let file_read = start.elapsed();
let (total1, total2) = algorithm(&banks);
let end = start.elapsed();
let end = start.elapsed();
println!("part1: {total1}");
println!("part2: {total2}");
println!("Times:
File read: {:.2?}
Loop: {:.2?}
Avg time per pair: {:.2?}
Total: {:.4?}
",
file_read,
end-file_read,
(end-file_read)/(10000).try_into().unwrap(),
end);
}