結果
| 問題 |
No.135 とりあえず1次元の問題
|
| コンテスト | |
| ユーザー |
情報学生
|
| 提出日時 | 2019-08-23 09:31:18 |
| 言語 | Haskell (9.10.1) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 314 bytes |
| コンパイル時間 | 10,938 ms |
| コンパイル使用メモリ | 175,232 KB |
| 実行使用メモリ | 22,912 KB |
| 最終ジャッジ日時 | 2024-10-13 14:20:07 |
| 合計ジャッジ時間 | 4,899 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 21 WA * 1 |
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:3:45: warning: [GHC-63394] [-Wx-partial]
In the use of ‘tail’
(imported from Prelude, but defined in GHC.List):
"This is a partial function, it throws an error on empty lists. Replace it with drop 1, or use pattern matching or Data.List.uncons instead. Consider refactoring to use Data.List.NonEmpty."
|
3 | main = interact $ show . solve . map read . tail . words
| ^^^^
Main.hs:7:23: warning: [GHC-63394] [-Wx-partial]
In the use of ‘head’
(imported from Prelude, 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 | | all (\x -> x == head xs) xs = 0
| ^^^^
[2 of 2] Linking a.out
ソースコード
import Data.List(sort)
main :: IO ()
main = interact $ show . solve . map read . tail . words
solve :: [Int] -> Int
solve xs
| all (\x -> x == head xs) xs = 0
| otherwise = minimum . filter (/= 0) . f . reverse . sort $ xs
f :: [Int] -> [Int]
f [x] = [x]
f (x:y:zs) = (x - y) : f (y:zs)
情報学生