結果

問題 No.79 過小評価ダメ・ゼッタイ
ユーザー dsplit
提出日時 2019-08-14 16:01:59
言語 Haskell
(9.10.1)
結果
AC  
実行時間 95 ms / 5,000 ms
コード長 428 bytes
コンパイル時間 8,920 ms
コンパイル使用メモリ 170,624 KB
実行使用メモリ 12,160 KB
最終ジャッジ日時 2024-09-19 14:29:37
合計ジャッジ時間 9,528 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge3
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 * 3
other AC * 22
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
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:3:45: warning: [GHC-63394] [-Wx-partial]
    In the use of ‘tail’
    (imported from Prelude, but defined in GHC.List):
    "This is a partial function, it throws an error on empty lists. Replace it with drop 1, or use pattern matching or Data.List.uncons instead. Consider refactoring to use Data.List.NonEmpty."
  |
3 | main = interact $ show . solve . map read . tail . words
  |                                             ^^^^

Main.hs:6:18: 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."
  |
6 | solve xs = snd $ head $ reverse $ sort $ zip [a, b, c, d, e, f] [1..6]
  |                  ^^^^
[2 of 2] Linking a.out

ソースコード

diff # 

import Data.List ( sort )
main :: IO ()
main = interact $ show . solve . map read . tail . words

solve :: [Int] -> Int
solve xs = snd $ head $ reverse $ sort $ zip [a, b, c, d, e, f] [1..6]
    where
        a = length $ filter (== 1) xs
        b = length $ filter (== 2) xs
        c = length $ filter (== 3) xs
        d = length $ filter (== 4) xs
        e = length $ filter (== 5) xs
        f = length $ filter (== 6) xs
0