結果
| 問題 | No.432 占い(Easy) |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2020-01-13 09:23:49 |
| 言語 | Haskell (9.14.1) |
| 結果 |
AC
|
| 実行時間 | 66 ms / 2,000 ms |
| コード長 | 551 bytes |
| 記録 | |
| コンパイル時間 | 8,442 ms |
| コンパイル使用メモリ | 195,968 KB |
| 実行使用メモリ | 38,912 KB |
| 最終ジャッジ日時 | 2026-05-26 08:09:31 |
| 合計ジャッジ時間 | 10,322 ms |
|
ジャッジサーバーID (参考情報) |
judge1_0 / judge3_0 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 22 |
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:13:15: warning: [GHC-63394] [-Wx-partial]
In the use of ‘head’
(imported from Prelude, 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"."
|
13 | 1 -> head s
| ^^^^
Main.hs:18:58: warning: [GHC-63394] [-Wx-partial]
In the use of ‘tail’
(imported from Prelude, but defined in GHC.Internal.List):
"This is a partial function, it throws an error on empty lists. Replace it with 'drop' 1, or use pattern matching or 'GHC.Internal.Data.List.uncons' instead. Consider refactoring to use "Data.List.NonEmpty"."
|
18 | where s' = map (\x -> fst x + snd x) $ zip (init s) (tail s)
| ^^^^
[2 of 2] Linking a.out
ソースコード
import qualified Control.Monad as M
import qualified Data.Char as C
main = do
t <- readLn
s <- M.replicateM t getLine
let s' = map (\x -> map C.digitToInt x) s
putStr $ unlines $ map (show . solve) s'
solve :: [Int] -> Int
solve s =
case length s of
1 -> head s
otherwise -> solve (f s)
f :: [Int] -> [Int]
f s = map toDigit s'
where s' = map (\x -> fst x + snd x) $ zip (init s) (tail s)
toDigit :: Int -> Int
toDigit n =
if n >= 10
then toDigit $ sum $ map C.digitToInt $ show n
else n