結果
| 問題 | 
                            No.504 ゲーム大会(ランキング)
                             | 
                    
| コンテスト | |
| ユーザー | 
                             Asdf_QwertyZ
                         | 
                    
| 提出日時 | 2017-09-03 01:45:39 | 
| 言語 | Haskell  (9.10.1)  | 
                    
| 結果 | 
                             
                                TLE
                                 
                             
                            
                         | 
                    
| 実行時間 | - | 
| コード長 | 814 bytes | 
| コンパイル時間 | 2,303 ms | 
| コンパイル使用メモリ | 171,776 KB | 
| 実行使用メモリ | 128,896 KB | 
| 最終ジャッジ日時 | 2024-11-06 18:40:16 | 
| 合計ジャッジ時間 | 5,993 ms | 
| 
                            ジャッジサーバーID (参考情報)  | 
                        judge3 / judge4 | 
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| ファイルパターン | 結果 | 
|---|---|
| sample | AC * 2 | 
| other | AC * 5 TLE * 1 -- * 7 | 
コンパイルメッセージ
Loaded package environment from /home/judge/.ghc/x86_64-linux-9.8.2/environments/default
[1 of 2] Compiling Main             ( Main.hs, Main.o )
Main.hs:27:15: warning: [GHC-63394] [-Wx-partial]
    In the use of ‘head’
    (imported from Prelude, but defined in GHC.List):
    "This is a partial function, it throws an error on empty lists. Use pattern matching or Data.List.uncons instead. Consider refactoring to use Data.List.NonEmpty."
   |
27 | rank = (+1) . head . findIndices ((==0) . snd) . sortBy tupleComp . flip zip [0..] where
   |               ^^^^
[2 of 2] Linking a.out
            
            ソースコード
import Control.Monad (replicateM)
import Control.Monad.State
import Data.List (sortBy, findIndices)
type Score = Int
type Point = Int
type Rank = Int
main :: IO ()
main = do
  n <- readLn
  as <- replicateM n readLn
  mapM_ print $ evalState (solve n as 0) $ replicate n 0
  
solve :: Int -> [Score] -> Int -> State [Point] [Rank]
solve n as t
  | t == n = return []
  | otherwise = do
    pts <- get
    let npts = addIdx t (as!!t) pts
    put npts
    res <- solve n as (t+1)
    return $ rank npts : res
rank :: [Point] -> Int
rank = (+1) . head . findIndices ((==0) . snd) . sortBy tupleComp . flip zip [0..] where
  tupleComp (a,b) (c,d)
    | a == c    = b `compare` d
    | otherwise = c `compare` a
addIdx :: Int -> Int -> [Int] -> [Int]
addIdx idx n xs = take idx xs ++ [xs!!idx+n] ++ drop (idx+1) xs
            
            
            
        
            
Asdf_QwertyZ