commit 5e1187a8d6ca747304891f1242f99c6acfde7f54 · aylac.top/advent_of_code

2025/6/gleam/gleam.toml

···

       15
       15
        
       [dependencies]

     

       16
       16
        
       gleam_stdlib = ">= 0.44.0 and < 2.0.0"

     

       17
       17
        
       simplifile = ">= 2.3.0 and < 3.0.0"

     

       18
       18
       +
       gleam_regexp = ">= 1.1.1 and < 2.0.0"

     

       18
       19
        
       

     

       19
       20
        
       [dev-dependencies]

     

       20
       21
        
       gleeunit = ">= 1.0.0 and < 2.0.0"

2025/6/gleam/manifest.toml

···

       3
       3
        
       

     

       4
       4
        
       packages = [

     

       5
       5
        
         { name = "filepath", version = "1.1.2", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "B06A9AF0BF10E51401D64B98E4B627F1D2E48C154967DA7AF4D0914780A6D40A" },

     

       6
       6
       +
         { name = "gleam_regexp", version = "1.1.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_regexp", source = "hex", outer_checksum = "9C215C6CA84A5B35BB934A9B61A9A306EC743153BE2B0425A0D032E477B062A9" },

     

       6
       7
        
         { name = "gleam_stdlib", version = "0.65.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "7C69C71D8C493AE11A5184828A77110EB05A7786EBF8B25B36A72F879C3EE107" },

     

       7
       8
        
         { name = "gleeunit", version = "1.7.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "CD701726CBCE5588B375D157B4391CFD0F2F134CD12D9B6998A395484DE05C58" },

     

       8
       9
        
         { name = "simplifile", version = "2.3.0", build_tools = ["gleam"], requirements = ["filepath", "gleam_stdlib"], otp_app = "simplifile", source = "hex", outer_checksum = "0A868DAC6063D9E983477981839810DC2E553285AB4588B87E3E9C96A7FB4CB4" },

     

       9
       10
        
       ]

     

       10
       11
        
       

     

       11
       12
        
       [requirements]

     

       13
       13
       +
       gleam_regexp = { version = ">= 1.1.1 and < 2.0.0" }

     

       12
       14
        
       gleam_stdlib = { version = ">= 0.44.0 and < 2.0.0" }

     

       13
       15
        
       gleeunit = { version = ">= 1.0.0 and < 2.0.0" }

     

       14
       16
        
       simplifile = { version = ">= 2.3.0 and < 3.0.0" }

+60 -3

2025/6/gleam/src/main.gleam

···

       1
       1
       +
       import gleam/dict

     

       1
       2
        
       import gleam/int

     

       2
       3
        
       import gleam/io

     

       3
       4
        
       import gleam/list

     

       5
       5
       +
       import gleam/regexp

     

       4
       6
        
       import gleam/result

     

       5
       7
        
       import gleam/string

     

       6
       8
        
       import simplifile as file

     

       7
       9
        
       

     

       10
       10
       +
       type Part2Dict =

     

       11
       11
       +
         dict.Dict(Int, Int)

     

       12
       12
       +
       

     

       8
       13
        
       pub fn main() {

     

       9
       14
        
         let assert Ok(input) = file.read(from: "../input.txt")

     

       10
       15
        
           as "Input file not found"

     

       11
       16
        
         let input = input |> string.trim

     

       12
       12
       -
         let input =

     

       17
       17
       +
         let input_pt_1 =

     

       13
       18
        
           list.fold(list.range(1, 10), input, fn(acc, _) {

     

       14
       19
        
             acc |> string.replace("  ", " ")

     

       15
       20
        
           })

     

       21
       21
       +
       

     

       16
       22
        
         let part_1 =

     

       17
       17
       -
           input

     

       23
       23
       +
           input_pt_1

     

       18
       24
        
           |> string.split("\n")

     

       19
       19
       -
           |> list.map(fn(i) { string.split(i, " ") })

     

       25
       25
       +
           |> list.map(fn(i) { string.trim(i) |> string.split(" ") })

     

       20
       26
        
           |> list.transpose

     

       21
       27
        
           |> list.map(fn(i) {

     

       22
       28
        
             let i = list.reverse(i)

     
···

       32
       38
        
           })

     

       33
       39
        
           |> int.sum

     

       34
       40
        
         echo part_1

     

       41
       41
       +
       

     

       42
       42
       +
         let assert Ok(regex) = regexp.from_string("   *")

     

       43
       43
       +
         let input_pt_2 = regexp.replace(regex, input, "X ")

     

       44
       44
       +
       

     

       45
       45
       +
         echo input_pt_2

     

       46
       46
       +
           |> string.split("\n")

     

       47
       47
       +
           |> list.map(fn(i) { string.trim(i) |> string.split(" ") })

     

       48
       48
       +
           |> list.transpose

     

       49
       49
       +
       

     

       50
       50
       +
         let part_2 =

     

       51
       51
       +
           input_pt_2

     

       52
       52
       +
           |> string.split("\n")

     

       53
       53
       +
           |> list.map(fn(i) { string.trim(i) |> string.split(" ") })

     

       54
       54
       +
           |> list.transpose

     

       55
       55
       +
           |> list.index_map(fn(ninput, col) {

     

       56
       56
       +
             let i = list.reverse(ninput)

     

       57
       57
       +
             let assert Ok(s) = list.first(i)

     

       58
       58
       +
             let i = list.drop(i, 1)

     

       59
       59
       +
             let i = list.reverse(i)

     

       60
       60
       +
             let d: Part2Dict = dict.new()

     

       61
       61
       +
             let d =

     

       62
       62
       +
               i

     

       63
       63
       +
               |> list.fold(d, fn(d, number) {

     

       64
       64
       +
                 let number_len = string.length(number)

     

       65
       65
       +
                 string.to_graphemes(number)

     

       66
       66
       +
                 |> list.index_fold(d, fn(d, digit, index) {

     

       67
       67
       +
                   let assert Ok(digit) = digit |> int.parse

     

       68
       68
       +
                   let pos = case col % 2 {

     

       69
       69
       +
                     0 -> number_len - index

     

       70
       70
       +
                     _ -> index

     

       71
       71
       +
                   }

     

       72
       72
       +
                   dict.insert(

     

       73
       73
       +
                     d,

     

       74
       74
       +
                     pos,

     

       75
       75
       +
                     { dict.get(d, pos) |> result.unwrap(0) } * 10 + digit,

     

       76
       76
       +
                   )

     

       77
       77
       +
                 })

     

       78
       78
       +
               })

     

       79
       79
       +
             let numbers =

     

       80
       80
       +
               dict.to_list(d)

     

       81
       81
       +
               |> list.map(fn(n) { n.1 })

     

       82
       82
       +
       

     

       83
       83
       +
             let r = case s {

     

       84
       84
       +
               "+" -> int.sum(numbers)

     

       85
       85
       +
               "*" -> list.reduce(numbers, int.multiply) |> result.unwrap(0)

     

       86
       86
       +
               _ -> panic as "invalid"

     

       87
       87
       +
             }

     

       88
       88
       +
             r

     

       89
       89
       +
           })

     

       90
       90
       +
           |> int.sum

     

       91
       91
       +
         echo part_2

     

       35
       92
        
       }