結果

問題 No.110 しましまピラミッド
コンテスト
ユーザー momen999
提出日時 2017-06-19 18:27:17
言語 Haskell
(9.14.1)
コンパイル:
ghc -rtsopts -with-rtsopts=-K1G -o a.out -O2 _filename_
実行:
./a.out
結果
WA  
実行時間 -
コード長 463 bytes
記録
記録タグの例:
初AC ショートコード 純ショートコード 純主流ショートコード 最速実行時間
コンパイル時間 10,085 ms
コンパイル使用メモリ 194,816 KB
実行使用メモリ 6,400 KB
最終ジャッジ日時 2026-04-18 17:37:25
合計ジャッジ時間 12,535 ms
ジャッジサーバーID
（参考情報） 		judge3_0 / judge2_1
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 4
other AC * 23 WA * 3
権限があれば一括ダウンロードができます
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:4:15: 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"."
  |
4 | py ws bs = if head ws <= head bs then iter 0 (head ws) else iter 1 (head bs) where
  |               ^^^^

Main.hs:4:26: 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"."
  |
4 | py ws bs = if head ws <= head bs then iter 0 (head ws) else iter 1 (head bs) where
  |                          ^^^^

Main.hs:4:47: 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"."
  |
4 | py ws bs = if head ws <= head bs then iter 0 (head ws) else iter 1 (head bs) where
  |                                               ^^^^

Main.hs:4:69: 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"."
  |
4 | py ws bs = if head ws <= head bs then iter 0 (head ws) else iter 1 (head bs) where
  |

ソースコード

diff #
raw source code 

import Data.List

py :: [Int] -> [Int] -> Int
py ws bs = if head ws <= head bs then iter 0 (head ws) else iter 1 (head bs) where
    iter i n
        | null l    = 1
        | otherwise = 1 + iter (1-i) (head l)
        where
            l   | i == 0    = filter (>n) bs
                | otherwise = filter (>n) ws

main = do
    getLine
    ws <- sort . map read . words <$> getLine
    getLine
    bs <- sort . map read . words <$> getLine
    print $ py ws bs
0