comparing fbe1239379eea7969c78cec68befddfe177b053c and main on aylac.top/advent_of_code

+18 -21

2025/7/gleam/src/main.gleam

···

       2
        
       import gleam/int

     

       3
        
       import gleam/io

     

       4
        
       import gleam/list

     

       5
       -
       import gleam/result

     

       6
        
       import gleam/set

     

       7
        
       import gleam/string

     

       8
        
       import simplifile as file

     
···

       67
        
       

     

       68
        
         let timelines =

     

       69
        
           splitters_map

     

       70
       -
           |> list.fold(dict.new() |> dict.insert(0, start), fn(timelines, splitters) {

     

       71
       -
             // echo #(timelines, splitters)

     

       72
       -
             timelines

     

       73
       -
             |> dict.fold(timelines, fn(timelines, timeline, beam) {

     

       74
       -
               case splitters |> set.contains(beam) {

     

       75
       -
                 False -> timelines

     

       76
       -
                 True -> {

     

       77
       -
                   timelines

     

       78
       -
                   |> dict.delete(timeline)

     

       79
       -
                   |> dict.insert(

     

       80
       -
                     int.random(100_000_000_000_000_000_000_000),

     

       81
       -
                     beam - 1,

     

       82
       -
                   )

     

       83
       -
                   |> dict.insert(

     

       84
       -
                     int.random(100_000_000_000_000_000_000_000),

     

       85
       -
                     beam + 1,

     

       86
       -
                   )

     

       87
        
                 }

     

       88
       -
               }

     

       89
       -
             })

     

       90
       -
           })

     

       91
        
         echo timelines

     

       92
        
         timelines

     

       93
        
         |> dict.size

···

       2
        
       import gleam/int

     

       3
        
       import gleam/io

     

       4
        
       import gleam/list

     

       0
        
       
     

       5
        
       import gleam/set

     

       6
        
       import gleam/string

     

       7
        
       import simplifile as file

     
···

       66
        
       

     

       67
        
         let timelines =

     

       68
        
           splitters_map

     

       69
       +
           |> list.index_fold(

     

       70
       +
             dict.new() |> dict.insert("", start),

     

       71
       +
             fn(timelines, splitters, i) {

     

       72
       +
               echo i

     

       73
       +
               // echo #(timelines, splitters)

     

       74
       +
               timelines

     

       75
       +
               |> dict.fold(timelines, fn(timelines, timeline, beam) {

     

       76
       +
                 case splitters |> set.contains(beam) {

     

       77
       +
                   False -> timelines

     

       78
       +
                   True -> {

     

       79
       +
                     timelines

     

       80
       +
                     |> dict.delete(timeline)

     

       81
       +
                     |> dict.insert(timeline <> "-", beam - 1)

     

       82
       +
                     |> dict.insert(timeline <> "+", beam + 1)

     

       83
       +
                   }

     

       0
        
       
     

       0
        
       
     

       84
        
                 }

     

       85
       +
               })

     

       86
       +
             },

     

       87
       +
           )

     

       88
        
         echo timelines

     

       89
        
         timelines

     

       90
        
         |> dict.size

2025/7/rust/Cargo.lock

···

       1
       +
       # This file is automatically @generated by Cargo.

     

       2
       +
       # It is not intended for manual editing.

     

       3
       +
       version = 4

     

       4
       +
       

     

       5
       +
       [[package]]

     

       6
       +
       name = "rust"

     

       7
       +
       version = "0.1.0"

2025/7/rust/Cargo.toml

···

       1
       +
       [package]

     

       2
       +
       name = "rust"

     

       3
       +
       version = "0.1.0"

     

       4
       +
       edition = "2024"

     

       5
       +
       

     

       6
       +
       [dependencies]

+62

2025/7/rust/src/main.rs

···

       1
       +
       use std::{

     

       2
       +
           collections::{HashMap, HashSet},

     

       3
       +
           mem::swap,

     

       4
       +
       };

     

       5
       +
       

     

       6
       +
       fn main() {

     

       7
       +
           let input = include_str!("../../input.txt").trim();

     

       8
       +
       

     

       9
       +
           let input: Vec<&str> = input.trim().split("\n").collect();

     

       10
       +
           // let width = input[0].len() as u64;

     

       11
       +
           let start = input[0].find("S").unwrap() as u64;

     

       12
       +
           let splitters_map: Vec<HashSet<u64>> = input[0..input.len()]

     

       13
       +
               .iter()

     

       14
       +
               .enumerate()

     

       15
       +
               .map(|(i, line)| if i % 2 != 0 { "" } else { line })

     

       16
       +
               .filter(|line| line != &"")

     

       17
       +
               .map(|line| {

     

       18
       +
                   line.chars()

     

       19
       +
                       .enumerate()

     

       20
       +
                       .fold(HashSet::new(), |mut s, (i, char)| {

     

       21
       +
                           if char == '^' {

     

       22
       +
                               s.insert(i as u64);

     

       23
       +
                           }

     

       24
       +
                           s

     

       25
       +
                       })

     

       26
       +
               })

     

       27
       +
               .collect();

     

       28
       +
       

     

       29
       +
           let timelines = {

     

       30
       +
               let mut timelines: HashMap<u64, u64> = HashMap::new();

     

       31
       +
               timelines.insert(start, 1);

     

       32
       +
               let mut timelines_new: HashMap<u64, u64> = HashMap::new();

     

       33
       +
               for splitters in splitters_map {

     

       34
       +
                   for (pos, amount) in &timelines {

     

       35
       +
                       if splitters.contains(&pos) {

     

       36
       +
                           let m1 = timelines_new.entry(pos - 1).or_insert(0);

     

       37
       +
                           *m1 += amount;

     

       38
       +
                           let p1 = timelines_new.entry(pos + 1).or_insert(0);

     

       39
       +
                           *p1 += amount;

     

       40
       +
                       } else {

     

       41
       +
                           let e = timelines_new.entry(*pos).or_insert(0);

     

       42
       +
                           *e += amount;

     

       43
       +
                       }

     

       44
       +
                   }

     

       45
       +
                   // for pos in 0..width as u64 {

     

       46
       +
                   //     if splitters.contains(&pos) {

     

       47
       +
                   //         print!("^");

     

       48
       +
                   //     } else if timelines_new.contains_key(&pos) {

     

       49
       +
                   //         print!("|");

     

       50
       +
                   //     } else {

     

       51
       +
                   //         print!(".");

     

       52
       +
                   //     }

     

       53
       +
                   // }

     

       54
       +
                   // print!("\n\n");

     

       55
       +
                   swap(&mut timelines, &mut timelines_new);

     

       56
       +
                   timelines_new.clear();

     

       57
       +
               }

     

       58
       +
               timelines

     

       59
       +
           };

     

       60
       +
           // println!("{:?}", timelines);

     

       61
       +
           println!("{}", timelines.iter().fold(0, |acc, v| { acc + v.1 }))

     

       62
       +
       }

Compare changes