comparing 7c0cfdeee7553f21615cc0a89328649bd5dc7054 and main on aylac.top/advent_of_code

+45 -18

2025/7/gleam/src/main.gleam

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       import gleam/int

     

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       import gleam/io

     

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       import gleam/list

     

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       -
       import gleam/result

     

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       import gleam/set

     

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       import gleam/string

     

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       import simplifile as file

     
···

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               _ -> acc

     

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             }

     

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           })

     

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         let splitters =

     

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         let splitters_map =

     

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           input

     

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           |> list.drop(1)

     

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           |> list.index_map(fn(line, i) {

     
···

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               }

     

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             })

     

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           })

     

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       -
         let #(beams, times) =

     

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           echo splitters

     

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             |> list.fold(#(set.new() |> set.insert(start), 0), fn(acc, splitters) {

     

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         let #(_beams, times) =

     

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           splitters_map

     

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           |> list.fold(#(set.new() |> set.insert(start), 0), fn(acc, splitters) {

     

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             let #(beams, times) = acc

     

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             beams

     

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             |> set.fold(#(beams, times), fn(acc, beam) {

     

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               let #(beams, times) = acc

     

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               beams

     

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               |> set.fold(#(beams, times), fn(acc, beam) {

     

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                 let #(beams, times) = acc

     

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               case splitters |> set.contains(beam) {

     

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                 False -> acc

     

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                 True -> #(

     

       53
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                   beams

     

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       +
                     |> set.delete(beam)

     

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                     |> set.insert(beam - 1)

     

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                     |> set.insert(beam + 1),

     

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                   times + 1,

     

       58
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                 )

     

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               }

     

       60
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             })

     

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           })

     

       62
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       +
       

     

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         times

     

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         |> int.to_string

     

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         |> io.println

     

       66
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       +
       

     

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         let timelines =

     

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           splitters_map

     

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           |> list.index_fold(

     

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

     

       71
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       +
             fn(timelines, splitters, i) {

     

       72
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               echo i

     

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       +
               // echo #(timelines, splitters)

     

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               timelines

     

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

     

       51
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                 case splitters |> set.contains(beam) {

     

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       -
                   False -> acc

     

       77
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       +
                   False -> timelines

     

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                   True -> {

     

       54
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                     #(

     

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                       beams

     

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                         |> set.delete(beam)

     

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                         |> set.insert(beam - 1)

     

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                         |> set.insert(beam + 1),

     

       59
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                       times + 1,

     

       60
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       -
                     )

     

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                     timelines

     

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                     |> dict.delete(timeline)

     

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

     

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

     

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                   }

     

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                 }

     

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               })

     

       64
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       -
             })

     

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       -
         echo set.size(beams)

     

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       +
             },

     

       87
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       +
           )

     

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         echo timelines

     

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         timelines

     

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         |> dict.size

     

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         |> int.to_string

     

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         |> io.println

     

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       }

2025/7/rust/Cargo.lock

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

     

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       # It is not intended for manual editing.

     

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       version = 4

     

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       [[package]]

     

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       name = "rust"

     

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       version = "0.1.0"

2025/7/rust/Cargo.toml

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       [package]

     

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       name = "rust"

     

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       version = "0.1.0"

     

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       edition = "2024"

     

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       6
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       [dependencies]

+62

2025/7/rust/src/main.rs

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       1
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       +
       use std::{

     

       2
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           collections::{HashMap, HashSet},

     

       3
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           mem::swap,

     

       4
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       };

     

       5
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       fn main() {

     

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

     

       8
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       +
       

     

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

     

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

     

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

     

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

     

       13
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       +
               .iter()

     

       14
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       +
               .enumerate()

     

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

     

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

     

       17
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               .map(|line| {

     

       18
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       +
                   line.chars()

     

       19
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       +
                       .enumerate()

     

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

     

       21
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       +
                           if char == '^' {

     

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                               s.insert(i as u64);

     

       23
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       +
                           }

     

       24
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                           s

     

       25
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                       })

     

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               })

     

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               .collect();

     

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           let timelines = {

     

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

     

       31
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               timelines.insert(start, 1);

     

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

     

       33
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               for splitters in splitters_map {

     

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

     

       35
       35
       +
                       if splitters.contains(&pos) {

     

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

     

       37
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       +
                           *m1 += amount;

     

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

     

       39
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       +
                           *p1 += amount;

     

       40
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       +
                       } else {

     

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

     

       42
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       +
                           *e += amount;

     

       43
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       +
                       }

     

       44
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       +
                   }

     

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

     

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

     

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

     

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

     

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

     

       50
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       +
                   //     } else {

     

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

     

       52
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       +
                   //     }

     

       53
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       +
                   // }

     

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

     

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

     

       56
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       +
                   timelines_new.clear();

     

       57
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       +
               }

     

       58
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       +
               timelines

     

       59
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       +
           };

     

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

     

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

     

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       +
       }

Compare changes