12 files changed, 0 insertions, 378 deletions
diff --git a/2024/OCaml/lib/day_01/part_01.ml b/2024/OCaml/lib/day_01/part_01.ml
deleted file mode 100644
index 100b12a..0000000
--- a/2024/OCaml/lib/day_01/part_01.ml
+++ /dev/null
@@ -1,40 +0,0 @@
-(* Day 1: Part 1 *)
-
-let calculate_distance x y = Stdlib.abs (x - y)
-
-(** Require: left and right to be the same length *)
-let solve left right =
-  let sorted_left = List.sort Stdlib.compare left in
-  let sorted_right = List.sort Stdlib.compare right in
-  let distances = List.map2 calculate_distance sorted_left sorted_right in
-  List.fold_left ( + ) 0 distances
-
-let left line =
-  let pos = 0 in
-  let len = String.index line ' ' in
-  String.sub line pos len
-
-let right line =
-  let pos = String.rindex line ' ' + 1 in
-  let len = String.length line - pos in
-  String.sub line pos len
-
-let line_to_tuple line = (left line, right line)
-
-let lines_to_lists lines =
-  let tuples = List.map line_to_tuple lines in
-  let left =
-    List.map
-      (fun t ->
-        let l, _ = t in
-        int_of_string l)
-      tuples
-  in
-  let right =
-    List.map
-      (fun t ->
-        let _, r = t in
-        int_of_string r)
-      tuples
-  in
-  (left, right)
diff --git a/2024/OCaml/lib/day_01/part_02.ml b/2024/OCaml/lib/day_01/part_02.ml
deleted file mode 100644
index 25c8b7d..0000000
--- a/2024/OCaml/lib/day_01/part_02.ml
+++ /dev/null
@@ -1,44 +0,0 @@
-(* Day 1: Part 2 *)
-
-let rec count_occurrances_help element acc lst =
-  match lst with
-  | [] -> acc
-  | h :: t ->
-      if h = element then count_occurrances_help element (acc + 1) t
-      else count_occurrances_help element acc t
-
-let count_occurrances element lst = count_occurrances_help element 0 lst
-
-let solve left right =
-  List.map (fun x -> x * count_occurrances x right) left
-  |> List.fold_left ( + ) 0
-
-let left line =
-  let pos = 0 in
-  let len = String.index line ' ' in
-  String.sub line pos len
-
-let right line =
-  let pos = String.rindex line ' ' + 1 in
-  let len = String.length line - pos in
-  String.sub line pos len
-
-let line_to_tuple line = (left line, right line)
-
-let lines_to_lists lines =
-  let tuples = List.map line_to_tuple lines in
-  let left =
-    List.map
-      (fun t ->
-        let l, _ = t in
-        int_of_string l)
-      tuples
-  in
-  let right =
-    List.map
-      (fun t ->
-        let _, r = t in
-        int_of_string r)
-      tuples
-  in
-  (left, right)
diff --git a/2024/OCaml/lib/day_02/part_01.ml b/2024/OCaml/lib/day_02/part_01.ml
deleted file mode 100644
index 32d7ab8..0000000
--- a/2024/OCaml/lib/day_02/part_01.ml
+++ /dev/null
@@ -1,42 +0,0 @@
-(* Day 2: Part 1 *)
-
-type level = int
-type reports = level list list
-
-let rec compare_report_levels_helper comparison prev report =
-  match report with
-  | [] -> true
-  | h :: t -> comparison prev h && compare_report_levels_helper comparison h t
-
-let compare_report_levels comparison report =
-  match report with
-  | [] -> true
-  | h :: t -> compare_report_levels_helper comparison h t
-
-let all_increasing report = compare_report_levels ( < ) report
-let all_decreasing report = compare_report_levels ( > ) report
-
-let at_least_one report =
-  compare_report_levels (fun prev curr -> prev <> curr) report
-
-let at_most_three report =
-  compare_report_levels (fun prev curr -> abs (prev - curr) <= 3) report
-
-let check_report_safety report =
-  if not (all_increasing report || all_decreasing report) then false
-  else if not (at_least_one report && at_most_three report) then false
-  else true
-
-let rec count_safe_reports acc lst =
-  match lst with
-  | [] -> acc
-  | h :: t ->
-      if h then count_safe_reports (acc + 1) t else count_safe_reports acc t
-
-let solve reports =
-  reports |> List.map check_report_safety |> count_safe_reports 0
-
-let line_to_report line =
-  line |> String.split_on_char ' ' |> List.map int_of_string
-
-let lines_to_reports lines = List.map line_to_report lines
diff --git a/2024/OCaml/lib/day_03/part_01.ml b/2024/OCaml/lib/day_03/part_01.ml
deleted file mode 100644
index c12b68a..0000000
--- a/2024/OCaml/lib/day_03/part_01.ml
+++ /dev/null
@@ -1,33 +0,0 @@
-(* Day 3: Part 1 *)
-
-let find_mul text =
-  let regex_or_err = Re2.create "mul\\(([0-9]{1,3}),([0-9]{1,3})\\)" in
-  match regex_or_err with
-  | Ok regex -> (
-      let matches = Re2.get_matches regex text in
-      match matches with Ok matches -> matches | Error _ -> [])
-  | Error _ -> []
-
-let extract_pairs (matches : Re2.Match.t list) : (int * int) list =
-  List.map
-    (fun x ->
-      let left = Re2.Match.get x ~sub:(`Index 1) in
-      match left with
-      | None -> (0, 0)
-      | Some left -> (
-          let left_num = int_of_string left in
-          let right = Re2.Match.get x ~sub:(`Index 2) in
-          match right with
-          | None -> (0, 0)
-          | Some right ->
-              let right_num = int_of_string right in
-              (left_num, right_num)))
-    matches
-
-let solve input =
-  input |> find_mul |> extract_pairs
-  |> List.fold_left
-       (fun acc pair ->
-         let left, right = pair in
-         acc + (left * right))
-       0
diff --git a/2024/OCaml/lib/day_04/part_01.ml b/2024/OCaml/lib/day_04/part_01.ml
deleted file mode 100644
index acb3e3b..0000000
--- a/2024/OCaml/lib/day_04/part_01.ml
+++ /dev/null
@@ -1,85 +0,0 @@
-(* Day 4: Part 1 *)
-
-type character = { index : int; character : char }
-type direction = N | NE | E | SE | S | SW | W | NW
-
-let all_directions = [ N; NE; E; SE; S; SW; W; NW ]
-let needle = "XMAS"
-
-(** [calculate_row_offset lines] is the offset used to move between the rows of
-    the concatenated variant of [lines] as though it were a grid. Requires:
-    values of [lines] all have the same length *)
-let calculate_row_offset lines =
-  match lines with [] -> 0 | h :: _ -> String.length h
-
-let join_lines lines =
-  let concat_trim acc line = acc ^ String.trim line in
-  List.fold_left concat_trim "" lines
-
-let explode s = List.init (String.length s) (String.get s)
-let is_in_bounds length index = index >= 0 && index < length
-
-let get_at_index line index =
-  let length = String.length line in
-  if not (is_in_bounds length index) then "."
-  else
-    let character = String.get line index in
-    Char.escaped character
-
-let get_direction_index row_offset direction index =
-  match direction with
-  | N -> index - row_offset
-  | NE -> index - row_offset + 1
-  | E -> index + 1
-  | SE -> index + row_offset + 1
-  | S -> index + row_offset
-  | SW -> index + row_offset - 1
-  | W -> index - 1
-  | NW -> index - row_offset - 1
-
-let get_direction_string get_char get_offset_index index =
-  let first = get_char index in
-  let second_index = get_offset_index index in
-  let second = get_char second_index in
-  let third_index = get_offset_index second_index in
-  let third = get_char third_index in
-  let fourth_index = get_offset_index third_index in
-  let fourth = get_char fourth_index in
-  first ^ second ^ third ^ fourth
-
-let check_direction get_from_line get_offset_index index direction =
-  get_direction_string get_from_line (get_offset_index direction) index = needle
-
-let calculate_num_of_matches line row_offset character =
-  let get_from_line_at_index = get_at_index line in
-  let get_offset_direction_index = get_direction_index row_offset in
-  let check_direction_from_index =
-    check_direction get_from_line_at_index get_offset_direction_index
-      character.index
-  in
-  all_directions
-  |> List.map check_direction_from_index
-  |> List.map (fun x -> match x with true -> 1 | false -> 0)
-  |> List.fold_left ( + ) 0
-
-(* Tried:
-   2544 -> too high
-   1272 (previous halved) -> too low *)
-let solve lines =
-  let row_offset = calculate_row_offset lines in
-  let line = join_lines lines in
-  let chars = explode line in
-  let characters = List.mapi (fun i c -> { index = i; character = c }) chars in
-  let xs =
-    List.filter
-      (fun c -> match c.character with 'X' -> true | _ -> false)
-      characters
-  in
-  let calculate_num_of_surrounding_matches_in_line =
-    calculate_num_of_matches line row_offset
-  in
-  let num_of_matches =
-    List.map calculate_num_of_surrounding_matches_in_line xs
-    |> List.fold_left ( + ) 0
-  in
-  num_of_matches
diff --git a/2024/OCaml/lib/day_05/part_01.ml b/2024/OCaml/lib/day_05/part_01.ml
deleted file mode 100644
index f32bef1..0000000
--- a/2024/OCaml/lib/day_05/part_01.ml
+++ /dev/null
@@ -1,62 +0,0 @@
-(* Day 5: Part 1 *)
-
-module StringMap = Map.Make (String)
-
-let inverse_page_rule page_rule =
-  String.split_on_char '|' page_rule |> fun lst ->
-  match lst with [] -> "" | _ :: _ -> String.concat "|" (List.rev lst)
-
-(** [parse_aux acc page_rules] is a map of all invalid transitions as defined by
-    [page_rules] *)
-let rec get_invalid_transitions_aux acc page_rules : unit StringMap.t =
-  match page_rules with
-  | [] -> acc
-  | h :: t ->
-      get_invalid_transitions_aux
-        (acc |> StringMap.add (inverse_page_rule h) ())
-        t
-
-let get_invalid_transitions page_rules =
-  get_invalid_transitions_aux StringMap.empty page_rules
-
-(** [solve page_rules updates] is the solution for this puzzle, given the
-    [page_rules] and a list of [updates].
-
-    BELOW DOESN'T WORK: no guarantee that second page comes immediately after
-    the first
-    - pass in updates to solve
-    - make sliding window of 2 elements
-    - invert element order and concat
-    - check if key is in map from [parse page_rules],
-    - if yes, then it is an illegal transition
-    - if no, then add the list to a list for further processing *)
-let solve page_rules _ =
-  let invalid_transitions = get_invalid_transitions page_rules in
-  ()
-
-let _ =
-  solve
-    [
-      "47|53";
-      "97|13";
-      "97|61";
-      "97|47";
-      "75|29";
-      "61|13";
-      "75|53";
-      "29|13";
-      "97|29";
-      "53|29";
-      "61|53";
-      "97|53";
-      "61|29";
-      "47|13";
-      "75|47";
-      "97|75";
-      "47|61";
-      "75|61";
-      "47|29";
-      "75|13";
-      "53|13";
-    ]
-    []
diff --git a/2024/OCaml/lib/dune b/2024/OCaml/lib/dune
deleted file mode 100644
index 84e62ca..0000000
--- a/2024/OCaml/lib/dune
+++ /dev/null
@@ -1,5 +0,0 @@
-(library
- (name AoC_2024)
- (libraries re2))
-
-(include_subdirs qualified)
diff --git a/2024/OCaml/lib/file/read_input.ml b/2024/OCaml/lib/file/read_input.ml
deleted file mode 100644
index 0f7470b..0000000
--- a/2024/OCaml/lib/file/read_input.ml
+++ /dev/null
@@ -1,11 +0,0 @@
-let rec lines_from_channel ic =
-  try
-    let line = input_line ic in
-    line :: lines_from_channel ic
-  with End_of_file -> []
-
-let lines_from_file filename =
-  let channel = open_in filename in
-  let lines = lines_from_channel channel in
-  close_in channel;
-  lines
diff --git a/2024/OCaml/lib/grid/cell.ml b/2024/OCaml/lib/grid/cell.ml
deleted file mode 100644
index 186e451..0000000
--- a/2024/OCaml/lib/grid/cell.ml
+++ /dev/null
@@ -1,18 +0,0 @@
-type t = {
-  value : string;
-  up : t option;
-  down : t option;
-  left : t option;
-  right : t option;
-}
-
-let create value = { value; up = None; down = None; left = None; right = None }
-let with_up up c = { c with up = Some up }
-let with_down down c = { c with down = Some down }
-let with_left left c = { c with left = Some left }
-let with_right right c = { c with right = Some right }
-let move_up co = match co with Some c -> c.up | None -> None
-let move_down co = match co with Some c -> c.down | None -> None
-let move_left co = match co with Some c -> c.left | None -> None
-let move_right co = match co with Some c -> c.right | None -> None
-let ( = ) c1 c2 = c1.value = c2.value
diff --git a/2024/OCaml/lib/grid/cell.mli b/2024/OCaml/lib/grid/cell.mli
deleted file mode 100644
index e61e34a..0000000
--- a/2024/OCaml/lib/grid/cell.mli
+++ /dev/null
@@ -1,18 +0,0 @@
-type t = {
-  value : string;
-  up : t option;
-  down : t option;
-  left : t option;
-  right : t option;
-}
-
-val create : string -> t
-val with_up : t -> t -> t
-val with_down : t -> t -> t
-val with_left : t -> t -> t
-val with_right : t -> t -> t
-val move_up : t option -> t option
-val move_down : t option -> t option
-val move_left : t option -> t option
-val move_right : t option -> t option
-val ( = ) : t -> t -> bool
diff --git a/2024/OCaml/lib/grid/grid.ml b/2024/OCaml/lib/grid/grid.ml
deleted file mode 100644
index 0d6bc4c..0000000
--- a/2024/OCaml/lib/grid/grid.ml
+++ /dev/null
@@ -1,14 +0,0 @@
-let rec to_grid_aux tokens max_width acc =
-  match tokens with
-  | [] -> acc
-  | h :: t ->
-      let new_cell = Cell.create h |> Cell.with_left acc in
-      let new_acc = acc |> Cell.with_right new_cell in
-      to_grid_aux t max_width new_acc
-
-let to_grid tokens max_width : Cell.t option =
-  match tokens with
-  | [] -> None
-  | h :: t ->
-      let first_cell = Cell.create h in
-      Some (to_grid_aux t max_width first_cell)
diff --git a/2024/OCaml/lib/grid/grid.mli b/2024/OCaml/lib/grid/grid.mli
deleted file mode 100644
index a69fcfe..0000000
--- a/2024/OCaml/lib/grid/grid.mli
+++ /dev/null
@@ -1,6 +0,0 @@
-val to_grid : string list -> int -> Cell.t option
-(** The cell in the top left corner of the grid is returned where each element
-    of [tokens] is converted into rows with [width]. An empty list of [tokens]
-    returns None. Requires: [width] is greater than 0 **)
-
-(* val print : Cell.t -> () *)