結果
問題 |
No.792 真理関数をつくろう
|
ユーザー |
|
提出日時 | 2019-06-18 02:41:07 |
言語 | Haskell (9.10.1) |
結果 |
AC
|
実行時間 | 99 ms / 2,000 ms |
コード長 | 517 bytes |
コンパイル時間 | 8,293 ms |
コンパイル使用メモリ | 173,824 KB |
実行使用メモリ | 24,320 KB |
最終ジャッジ日時 | 2024-11-30 00:38:01 |
合計ジャッジ時間 | 6,466 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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-9.8.2/environments/default [1 of 2] Compiling Main ( Main.hs, Main.o ) Main.hs:8:131: 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." | 8 | putStrLn $ "A=" ++ if length xs == length ts then "⊤" else if null ts then "⊥" else let tss = map init ts; nl = take (length (head tss)) $ iterate (+1) 1 in intercalate "∨" ["(" ++ intercalate "∧" (zipWith (\i b -> if b == 1 then "P_" ++ show i else "¬P_" ++ show i) nl xs) ++ ")" | xs <- tss] | ^^^^ [2 of 2] Linking a.out
ソースコード
import Control.Monad (replicateM) import Data.List (intercalate) main :: IO () main = do xs <- flip replicateM (map read . words <$> getLine) . (2^) . read =<< getLine let ts = filter ((==1) . last) xs putStrLn $ "A=" ++ if length xs == length ts then "⊤" else if null ts then "⊥" else let tss = map init ts; nl = take (length (head tss)) $ iterate (+1) 1 in intercalate "∨" ["(" ++ intercalate "∧" (zipWith (\i b -> if b == 1 then "P_" ++ show i else "¬P_" ++ show i) nl xs) ++ ")" | xs <- tss]