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 09:38:34 |
| 言語 | Haskell (9.14.1) |
| 結果 |
AC
|
| 実行時間 | 346 ms / 5,000 ms |
| コード長 | 314 bytes |
| 記録 | |
| コンパイル時間 | 6,007 ms |
| コンパイル使用メモリ | 195,968 KB |
| 実行使用メモリ | 25,216 KB |
| 最終ジャッジ日時 | 2026-05-01 00:58:45 |
| 合計ジャッジ時間 | 4,360 ms |
|
ジャッジサーバーID (参考情報) |
judge1_0 / judge2_1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| 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:4:45: 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"."
|
4 | main = interact $ show . solve . map read . tail . words
| ^^^^
Main.hs:8:23: 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"."
|
8 | | 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] = []
f (x:y:zs) = (x - y) : f (y:zs)
情報学生