結果

問題 No.745 letinopia raoha
コンテスト
ユーザー tak
提出日時 2019-02-04 14:37:47
言語 F#
(F# 4.0)
結果
AC  
実行時間 396 ms / 2,000 ms
コード長 1,751 bytes
コンパイル時間 18,408 ms
コンパイル使用メモリ 194,128 KB
実行使用メモリ 34,612 KB
最終ジャッジ日時 2024-12-25 15:31:49
合計ジャッジ時間 22,635 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge1
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 2
other AC * 8
権限があれば一括ダウンロードができます
コンパイルメッセージ
  復元対象のプロジェクトを決定しています...
  /home/judge/data/code/main.fsproj を復元しました (501 ms)。
MSBuild のバージョン 17.9.6+a4ecab324 (.NET)
  main -> /home/judge/data/code/bin/Release/net8.0/main.dll
  main -> /home/judge/data/code/bin/Release/net8.0/publish/

ソースコード

diff # 

type Judge  = Perfect | Great | Good | Miss 
type Notes  = { A: int; B: int; C: int; D: int } 
type Status = { Chain: int; Score: int; Notes: Notes }
type Result = Score of int | Failed
type State  = Playing of Status | Finished of Result    
    
let simulateBest a b c d =

  let calc (chain: int) (judge: Judge): int =
    match judge with
    | Perfect -> 100 * pown 2 (chain / 100)
    | Great   ->  50 * pown 2 (chain / 100)    
    | _ -> 0 
  
  
  let update (status: Status): State =
    match status.Notes with
    | { D = 10 } -> Finished Failed // 死  
    | { C = 0; D = 0 } as n ->      
      match n with
      | { A = 0; B = 0 } -> Finished <| Score status.Score
      | n when n.B > 0 ->
        let newChain = status.Chain + 1
        let newScore = status.Score + (calc status.Chain Judge.Great)
        let newNotes = { n with B = n.B - 1 }        
        Playing { Chain = newChain; Score = newScore; Notes = newNotes }
      | n ->
        let newChain = status.Chain + 1
        let newScore = status.Score + (calc status.Chain Judge.Perfect)
        let newNotes = { n with A = n.A - 1 }        
        Playing { Chain = newChain; Score = newScore; Notes = newNotes }
    | n -> Playing { status with Notes = { n with C = 0; D = 0 } } // C, Dを消費しきる       

  let rec f (state: State): string =
    match state with
    | Finished x ->
      match x with
      | Score x -> sprintf "Possible\n%i" x
      | Failed  -> "Impossible"
    | Playing s -> f <| update s
      
  f <| Playing { Chain = 0; Score = 0; Notes = { A = a; B = b; C = c; D = d } }
             
let A, B, C, D =
  let t = stdin.ReadLine().Split() |> Array.map int
  in t.[0], t.[1], t.[2], t.[3]
  
simulateBest A B C D
|> stdout.WriteLine
0