結果
問題 | No.2259 Gas Station |
ユーザー |
|
提出日時 | 2023-05-14 15:15:13 |
言語 | Haskell (9.10.1) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 695 bytes |
コンパイル時間 | 8,913 ms |
コンパイル使用メモリ | 169,600 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-11-30 03:47:19 |
合計ジャッジ時間 | 9,987 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 21 |
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:27:29: 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 | let [l, r, c] = map read [head vs, vs !! 1, vs !! 2] | ^^^^ [2 of 2] Linking a.out
ソースコード
split :: String -> [String] split = go ("", []) where go :: (String, [String]) -> String -> [String] go (a, acc) "" = acc <> [a] go (a, acc) (' ' : xs) = go ("", acc <> [a]) xs go (a, acc) (x : xs) = go (a <> [x], acc) xs solve :: Int -> Int -> Int -> Int solve l r c = go 1000 l where go :: Int -> Int -> Int go acc i | i > r = acc | otherwise = let v = (i * c) `mod` 1000 in if v == 0 then 0 else go (min acc (1000 - v)) (i + 1) prompt :: IO [String] prompt = do split <$> getLine main :: IO () main = do vs <- prompt let [l, r, c] = map read [head vs, vs !! 1, vs !! 2] print $ solve l r c