結果
問題 | No.70 睡眠の重要性! |
ユーザー | 情報学生 |
提出日時 | 2019-08-18 10:03:42 |
言語 | Haskell (9.8.2) |
結果 |
AC
|
実行時間 | 2 ms / 5,000 ms |
コード長 | 753 bytes |
コンパイル時間 | 4,166 ms |
コンパイル使用メモリ | 172,928 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-10-01 13:40:19 |
合計ジャッジ時間 | 4,642 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 1 ms
5,248 KB |
testcase_02 | AC | 1 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 1 ms
5,248 KB |
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:2:89: 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." | 2 | toHHMM s = ((read :: String -> Int) . takeWhile (/= ':') $ s, (read :: String -> Int) . tail . dropWhile (/= ':') $ s) | ^^^^ Main.hs:21:45: 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." | 21 | main = interact $ show . solve . splitAt2 . tail . words | ^^^^ [2 of 2] Linking a.out
ソースコード
toHHMM :: String -> (Int, Int) toHHMM s = ((read :: String -> Int) . takeWhile (/= ':') $ s, (read :: String -> Int) . tail . dropWhile (/= ':') $ s) sleepTime :: (Int, Int) -> (Int, Int) -> Int sleepTime (h1, m1) (h2, m2) | h2 > h1 && m2 >= m1 = (h2 - h1) * 60 + m2 - m1 | h2 > h1 && m2 < m1 = (h2 - 1 - h1) * 60 + m2 + 60 - m1 | h2 == h1 && m2 >= m1 = m2 - m1 | otherwise = (h2 + 23 - h1) * 60 + m2 + 60 - m1 splitAt2 :: [String] -> [[String]] splitAt2 = takeWhile (not.null) . map (take 2) . iterate (drop 2) solve :: [[String]] -> Int solve xss = sum zs where ys = map (map toHHMM) xss zs = map (\[x, y] -> sleepTime x y) ys main :: IO () main = interact $ show . solve . splitAt2 . tail . words