結果

問題 No.69 文字を自由に並び替え
ユーザー ichibanshibori
提出日時 2016-10-16 23:31:33
言語 OCaml
(5.2.1)
結果
AC  
実行時間 2 ms / 5,000 ms
コード長 1,232 bytes
コンパイル時間 1,649 ms
コンパイル使用メモリ 20,636 KB
実行使用メモリ 6,820 KB
最終ジャッジ日時 2025-01-01 18:39:02
合計ジャッジ時間 868 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge4
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ファイルパターン 結果
other AC * 15
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

let list_of_string str =
  let lstr = String.length str in
  let rec list_of_string' idx result =
    if idx >= lstr then result
    else list_of_string' (idx + 1) (str.[idx] :: result)
  in
  list_of_string' 0 []
let group_by cmp lst =
  let rec split_by_val value lst (lst1, lst2)  =
    match lst with
    | [] -> (lst1, lst2)
    | x::xs ->
      let nextResult = match cmp x with
      | v when v = value -> (x::lst1, lst2)
      | _ -> (lst1, x::lst2)
      in
      split_by_val value xs nextResult
  in
  let rec group_by' lst result =
    match lst with
    | [] -> result
    | x::xs ->
      let value = cmp x in
      let lst1, lst2 = split_by_val value lst ([], []) in
      group_by' lst2 ((value, lst1)::result)
  in
  group_by' lst []
let id x = x
let () =
  let a = read_line ()
  and b = read_line ()
  in
  let alst = list_of_string a |>
             group_by id |>
             List.sort
              (fun (key1, _) (key2, _) -> int_of_char key1 - int_of_char key2)
  and blst = list_of_string b |>
             group_by id |>
             List.sort
              (fun (key1, _) (key2, _) -> int_of_char key1 - int_of_char key2)
  in
  alst = blst |> (function true -> "YES" | false -> "NO") |> print_endline
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