結果

問題 No.193 筒の数式
コンテスト
ユーザー Michae'Gon
提出日時 2015-04-30 11:36:04
言語 Haskell
(9.14.1)
コンパイル:
ghc -rtsopts -with-rtsopts=-K1G -o a.out -O2 _filename_
実行:
./a.out
結果
WA  
実行時間 -
コード長 586 bytes
記録
記録タグの例:
初AC ショートコード 純ショートコード 純主流ショートコード 最速実行時間
コンパイル時間 8,747 ms
コンパイル使用メモリ 195,456 KB
実行使用メモリ 6,272 KB
最終ジャッジ日時 2026-03-27 02:15:35
合計ジャッジ時間 1,846 ms
ジャッジサーバーID
（参考情報） 		judge2_0 / judge1_0
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 * 11 WA * 5
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-9.14.1/environments/default
[1 of 2] Compiling Main             ( Main.hs, Main.o )
Main.hs:11:11: warning: [GHC-63394] [-Wx-partial]
    In the use of ‘head’
    (imported from Prelude, but defined in GHC.Internal.List):
    "This is a partial function, it throws an error on empty lists. Use pattern matching, 'Data.List.uncons' or 'Data.Maybe.listToMaybe' instead. Consider refactoring to use "Data.List.NonEmpty"."
   |
11 |         | head y < 0 = ((read $ drop 2 sy ++  sx) :: Int) + sum ys + ((read $ take 2 sy) :: Int)
   |           ^^^^

Main.hs:12:32: warning: [GHC-63394] [-Wx-partial]
    In the use of ‘tail’
    (imported from Prelude, but defined in GHC.Internal.List):
    "This is a partial function, it throws an error on empty lists. Replace it with 'drop' 1, or use pattern matching or 'GHC.Internal.Data.List.uncons' instead. Consider refactoring to use "Data.List.NonEmpty"."
   |
12 |         | otherwise = ((read $ tail sy ++ sx) :: Int) + sum ys + ((read [head sy]) :: Int)
   |                                ^^^^

Main.hs:12:74: warning: [GHC-63394] [-Wx-partial]
    In the use of ‘head’
    (imported from Prelude, but defined in GHC.Internal.List):
    "This is a partial function, it throws an error on empty lists. Use pattern matching, 'Data.List.uncons' or 'Data.Maybe.listToMaybe' instead. Consider refactoring to use "Data.List.NonEmpty"."
   |
12 |         | otherwise = ((read $ tail sy ++ sx) :: Int) + sum ys + ((read [head sy]) :: Int)
   |                                                                          ^^^^

Main.hs:15:21: warning: [GHC-63394] [-Wx-partial]
    In the use of ‘head’
    (imported from Prelude, but defined in GHC.Internal.List):
    "This is a partial function, it throws an error on empty lists. Use pattern matching, 'Data.List.uncons' or 'Data.Maybe.listToMaybe' instead. Consider refactoring to use "Data.List.NonEmpty"."
   |
15 |         sy = sho

ソースコード

diff #
raw source code 

import Data.Char
main = getLine >>= print . solve . map (read :: String -> Int) . words . foldr ff ""
        where
        ff x acc
                | isDigit x = x : acc
                | x == '-' = ' ' : x : acc
                | otherwise  = ' ' : acc

solve :: [Int] -> Int
solve (x : xs)
        | head y < 0 = ((read $ drop 2 sy ++  sx) :: Int) + sum ys + ((read $ take 2 sy) :: Int)
        | otherwise = ((read $ tail sy ++ sx) :: Int) + sum ys + ((read [head sy]) :: Int)
        where
        (ys, y) = splitAt (length xs - 1) xs
        sy = show $ head y
        sx = show x
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