···

       
12
       
12
       
 
       
pub fn main() {

     

       
13
       
13
       
 
       
  let assert Ok(input) = file.read(from: "../input.txt")

     

       
14
       
14
       
 
       
    as "Input file not found"

     

       
15
       
15
       
-
       
  // let input =

     

       
16
       
16
       
-
       
  //   "11-22,95-115,998-1012,1188511880-1188511890,222220-222224,1698522-1698528,446443-446449,38593856-38593862,565653-565659,824824821-824824827,2121212118-2121212124"

     

       
17
       
15
       
 
       
  let input =

     

       
18
       
16
       
 
       
    input

     

       
19
       
17
       
 
       
    |> string.trim

     
···

       
48
       
46
       
 
       
  |> list.fold(0, fn(acc, r) {

     

       
49
       
47
       
 
       
    list.range(r.start, r.end)

     

       
50
       
48
       
 
       
    |> list.fold(acc, fn(acc, i) {

     

       
51
       
51
       
-
       
      case i >= 10 {

     

       
49
       
49
       
+
       
      case i > 10 {

     

       
52
       
50
       
 
       
        True -> {

     

       
53
       
51
       
 
       
          let s = int.to_string(i)

     

       
54
       
52
       
 
       
          let len = string.length(s)