結果
問題 | No.138 化石のバージョン |
ユーザー |
|
提出日時 | 2017-04-24 19:28:04 |
言語 | Haskell (9.10.1) |
結果 |
AC
|
実行時間 | 3 ms / 5,000 ms |
コード長 | 550 bytes |
コンパイル時間 | 5,267 ms |
コンパイル使用メモリ | 175,488 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-12-29 14:20:58 |
合計ジャッジ時間 | 6,831 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 33 |
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:7:64: 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." | 7 | split_char c str = w : split_char c (case xs of "" -> []; _ -> tail xs) | ^^^^ [2 of 2] Linking a.out
ソースコード
import Control.Monad rInt :: String -> Int rInt = read split_char c [] = [] split_char c str = w : split_char c (case xs of "" -> []; _ -> tail xs) where (w, xs) = break (==c) str solve [ks, vs] | ks == vs = "YES" | otherwise = isKaseki ks vs where isKaseki [] [] = "YES" isKaseki (k:ks) (v:vs) | k > v = "YES" | k < v = "NO" | otherwise = isKaseki ks vs main = do kvs <- map ((map rInt) . split_char '.') <$> replicateM 2 getLine putStrLn $ solve kvs