結果
問題 | No.3012 岩井星人グラフ |
ユーザー |
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提出日時 | 2025-01-25 12:53:34 |
言語 | Haskell (9.10.1) |
結果 |
AC
|
実行時間 | 170 ms / 2,000 ms |
コード長 | 1,362 bytes |
コンパイル時間 | 1,889 ms |
コンパイル使用メモリ | 207,548 KB |
実行使用メモリ | 10,240 KB |
最終ジャッジ日時 | 2025-01-25 22:25:38 |
合計ジャッジ時間 | 8,511 ms |
ジャッジサーバーID (参考情報) |
judge9 / judge10 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 23 |
コンパイルメッセージ
Loaded package environment from /home/judge/.ghc/x86_64-linux-9.10.1/environments/default [1 of 2] Compiling Main ( Main.hs, Main.o ) Main.hs:34:11: warning: [GHC-63394] [-Wx-partial] In the use of ‘head’ (imported from Data.List, 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"." | 34 | readStr = head <$> readStrs | ^^^^ [2 of 2] Linking a.out
ソースコード
{-# LANGUAGE BangPatterns #-} {-# LANGUAGE BinaryLiterals #-} {-# LANGUAGE MultiWayIf #-} {-# LANGUAGE NumDecimals #-} {-# LANGUAGE ScopedTypeVariables #-} {-# LANGUAGE TupleSections #-} {-# LANGUAGE FlexibleContexts #-} {-# OPTIONS_GHC -O2 #-} {-# OPTIONS_GHC -Wno-tabs #-} import Control.Applicative import Control.Arrow import Control.Monad import Control.Monad.ST import Data.Char import Data.List import Data.Maybe import qualified Data.ByteString.Char8 as B import Data.Array import Data.Array.ST.Safe import Data.STRef import Debug.Trace import Text.Printf readInt = fst . fromJust . B.readInt <$> B.getLine readInteger = fst . fromJust . B.readInteger <$> B.getLine readInts = map ( fst . fromJust . B.readInt ) . B.words <$> B.getLine readIntegers = map ( fst . fromJust . B.readInteger ) . B.words <$> B.getLine readStr = head <$> readStrs readStrs = map B.unpack . B.words <$> B.getLine which a b f = if f then a else b yesno = which "Yes" "No" mp [ a, b ] = ( a, b ) modifyArray a i f = writeArray a i =<< f <$> readArray a i printList :: Show a => [a] -> IO () printList = putStrLn . intercalate " " . map show main = do [ x, y ] <- readInts printList $ [ x * y, x * y ] mapM_ printList $ do u <- [ 0 .. x - 1 ] return $ map succ [ u, ( u + 1 ) `mod` x ] mapM_ printList $ do u <- [ 1 .. x * ( y - 1 ) ] return $ [ u, u + x ]