結果
| 問題 | No.193 筒の数式 |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2015-04-30 11:48:26 |
| 言語 | Haskell (9.14.1) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 577 bytes |
| 記録 | |
| コンパイル時間 | 6,909 ms |
| コンパイル使用メモリ | 196,224 KB |
| 実行使用メモリ | 7,844 KB |
| 最終ジャッジ日時 | 2026-03-27 02:15:03 |
| 合計ジャッジ時間 | 5,965 ms |
|
ジャッジサーバーID (参考情報) |
judge1_0 / judge3_0 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 12 WA * 3 RE * 1 |
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: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 ++ x) :: Int) + foldl ff 0 ys + ((read [head sy]) :: Int)
| ^^^^
Main.hs:12:80: 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 ++ x) :: Int) + foldl ff 0 ys + ((read [head sy]) :: Int)
| ^^^^
Main.hs:15:14: 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 = head y
| ^^^^
[2 of 2] Linking a.out
ソースコード
import Data.Char
main = getLine >>= print . solve . words . foldr ff ""
where
ff x acc
| isDigit x = x : acc
| x == '-' = ' ' : x : acc
| otherwise = ' ' : acc
solve :: [String] -> Int
solve (x : xs)
| read sy < 0 = ((read $ drop 2 sy ++ x) :: Int) + foldl ff 0 ys + ((read $ take 2 sy) :: Int)
| otherwise = ((read $ tail sy ++ x) :: Int) + foldl ff 0 ys + ((read [head sy]) :: Int)
where
(ys, y) = splitAt (length xs - 1) xs
sy = head y
ff acc z = read z + acc