結果

問題 No.405 ローマ数字の腕時計
ユーザー Naoki_M_
提出日時 2016-08-08 09:35:53
言語 Haskell
(9.10.1)
結果
AC  
実行時間 2 ms / 2,000 ms
コード長 276 bytes
コンパイル時間 4,540 ms
コンパイル使用メモリ 175,104 KB
実行使用メモリ 5,376 KB
最終ジャッジ日時 2024-07-06 19:02:13
合計ジャッジ時間 5,370 ms
ジャッジサーバーID
(参考情報)
judge4 / judge1
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ファイルパターン 結果
other AC * 27
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-9.8.2/environments/default
[1 of 2] Compiling Main             ( Main.hs, Main.o )

Main.hs:7:14: warning: [GHC-63394] [-Wx-partial]
    In the use of ‘head’
    (imported from Data.List, 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."
  |
7 |   where s1 = head ls
  |              ^^^^
[2 of 2] Linking a.out

ソースコード

diff #
プレゼンテーションモードにする

import Data.List
import Data.Maybe
main = getLine >>= putStrLn . solve . words
solve ls = roma !! (((fromJust $ elemIndex s1 roma) + t) `mod` 12)
where s1 = head ls
t = read $ last ls
roma = ["I","II","III","IIII","V","VI","VII","VIII","IX","X","XI","XII"]
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