結果
| 問題 |
No.751 Frac #2
|
| コンテスト | |
| ユーザー |
trineutron
|
| 提出日時 | 2019-06-16 02:12:01 |
| 言語 | Haskell (9.10.1) |
| 結果 |
AC
|
| 実行時間 | 2 ms / 1,000 ms |
| コード長 | 477 bytes |
| コンパイル時間 | 4,499 ms |
| コンパイル使用メモリ | 173,824 KB |
| 実行使用メモリ | 6,820 KB |
| 最終ジャッジ日時 | 2024-11-21 16:18:29 |
| 合計ジャッジ時間 | 5,702 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 36 |
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:6:18: 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."
|
6 | let bunshi = head a * product [b !! i | i <- [0 .. length b - 1], odd i]
| ^^^^
Main.hs:7:26: 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."
|
7 | let bumbo = product (tail a) * product [b !! i | i <- [0 .. length b - 1], even i]
| ^^^^
[2 of 2] Linking a.out
ソースコード
main = do
getLine
a <- map read . words <$> getLine
getLine
b <- map read . words <$> getLine
let bunshi = head a * product [b !! i | i <- [0 .. length b - 1], odd i]
let bumbo = product (tail a) * product [b !! i | i <- [0 .. length b - 1], even i]
let bunshi_div = bunshi `div` gcd bunshi bumbo * bumbo `div` abs bumbo
let bumbo_div = bumbo `div` gcd bunshi bumbo * bumbo `div` abs bumbo
putStrLn $ show bunshi_div ++ " " ++ show bumbo_div
trineutron