結果
| 問題 |
No.79 過小評価ダメ・ゼッタイ
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2017-04-24 10:58:44 |
| 言語 | Haskell (9.10.1) |
| 結果 |
AC
|
| 実行時間 | 241 ms / 5,000 ms |
| コード長 | 430 bytes |
| コンパイル時間 | 2,000 ms |
| コンパイル使用メモリ | 175,104 KB |
| 実行使用メモリ | 22,144 KB |
| 最終ジャッジ日時 | 2024-06-26 08:12:29 |
| 合計ジャッジ時間 | 4,796 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 22 |
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:10:13: 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."
|
10 | x = head xs
| ^^^^
Main.hs:23:19: 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."
|
23 | print $ fst $ head ls'
| ^^^^
[2 of 2] Linking a.out
ソースコード
import Control.Monad
import Data.List
rInt :: String -> Int
rInt = read
func079 [] = []
func079 xs = (x, c) : func079 xs'
where
x = head xs
c = length $ filter (== x) xs
xs' = drop c xs
sortSnd x y
| snd x > snd y = LT
| otherwise = GT
main = do
n <- getLine
ls <- sort . map rInt . words <$> getLine
let
ls' = sortBy sortSnd $ func079 ls
print $ fst $ head ls'