1 files changed, 0 insertions, 86 deletions
diff --git a/codingquest2024/src/day6/solution.gleam b/codingquest2024/src/day6/solution.gleam
deleted file mode 100644
index 8a0319c..0000000
--- a/codingquest2024/src/day6/solution.gleam
+++ /dev/null
@@ -1,86 +0,0 @@
-import gleam/dict
-import gleam/io
-import gleam/list
-import gleam/regex
-import gleam/result
-import gleam/string
-import simplifile
-
-pub opaque type Location {
-  Location(row: Int, col: Int)
-}
-
-pub fn main() {
-  let assert Ok(data) = simplifile.read(from: "./src/day6/data.txt")
-  let assert ["Cipher key: " <> key, "Message: " <> raw_message] =
-    string.split(data, "\n")
-
-  let letter_to_location = make_cipher_grid(key)
-  let location_to_letter =
-    letter_to_location
-    |> dict.fold(dict.new(), fn(acc, k, v) { dict.insert(acc, v, k) })
-
-  raw_message
-  |> string.split(" ")
-  |> list.map(fn(s) {
-    s
-    |> string.to_graphemes
-    |> list.sized_chunk(2)
-  })
-  |> list.map(fn(s) {
-    s
-    |> decode_word(letter_to_location, location_to_letter)
-    |> string.concat()
-  })
-  |> string.join(" ")
-  |> io.println()
-}
-
-fn make_cipher_grid(key) {
-  let assert Ok(in_key) = regex.from_string("[" <> key <> "]")
-  let grid =
-    regex.split(in_key, "abcdefghiklmnopqrstuvwxyz")
-    |> string.concat
-    |> string.append(key, _)
-    |> string.to_graphemes
-    |> list.sized_chunk(5)
-
-  list.index_map(grid, fn(row, r) {
-    list.index_map(row, fn(cell, c) { #(cell, Location(r, c)) })
-  })
-  |> list.flatten
-  |> dict.from_list
-}
-
-fn decode_word(word: List(List(String)), to_loc, to_letter) {
-  case word {
-    [] -> []
-    [[a, b], ..rest] -> [
-      transform_pair(a, b, to_loc, to_letter),
-      ..decode_word(rest, to_loc, to_letter)
-    ]
-    _ -> panic as "bad playfair format"
-  }
-}
-
-fn transform_pair(a, b, to_loc, to_letter) {
-  let assert Ok(Location(r_a, c_a)) = dict.get(to_loc, a)
-  let assert Ok(Location(r_b, c_b)) = dict.get(to_loc, b)
-
-  case r_a == r_b, c_a == c_b {
-    True, _ -> [
-      dict.get(to_letter, Location(r_a, { c_a + 4 } % 5)),
-      dict.get(to_letter, Location(r_b, { c_b + 4 } % 5)),
-    ]
-    _, True -> [
-      dict.get(to_letter, Location({ r_a + 4 } % 5, c_a)),
-      dict.get(to_letter, Location({ r_b + 4 } % 5, c_b)),
-    ]
-    _, _ -> [
-      dict.get(to_letter, Location(r_a, c_b)),
-      dict.get(to_letter, Location(r_b, c_a)),
-    ]
-  }
-  |> result.values
-  |> string.concat
-}