結果
問題 | No.4 おもりと天秤 |
ユーザー | Hirotaka Ohkubo |
提出日時 | 2016-07-27 19:44:55 |
言語 | Haskell (9.8.2) |
結果 |
AC
|
実行時間 | 17 ms / 5,000 ms |
コード長 | 510 bytes |
コンパイル時間 | 3,089 ms |
コンパイル使用メモリ | 178,692 KB |
実行使用メモリ | 8,320 KB |
最終ジャッジ日時 | 2024-06-26 09:37:32 |
合計ジャッジ時間 | 4,022 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 2 ms
6,948 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 16 ms
8,320 KB |
testcase_06 | AC | 1 ms
6,944 KB |
testcase_07 | AC | 16 ms
8,192 KB |
testcase_08 | AC | 3 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 17 ms
8,320 KB |
testcase_11 | AC | 2 ms
6,944 KB |
testcase_12 | AC | 1 ms
6,944 KB |
testcase_13 | AC | 2 ms
6,944 KB |
testcase_14 | AC | 2 ms
6,944 KB |
testcase_15 | AC | 1 ms
6,944 KB |
testcase_16 | AC | 2 ms
6,944 KB |
testcase_17 | AC | 2 ms
6,940 KB |
testcase_18 | AC | 10 ms
8,320 KB |
testcase_19 | AC | 14 ms
8,320 KB |
testcase_20 | AC | 14 ms
8,064 KB |
testcase_21 | AC | 14 ms
8,064 KB |
testcase_22 | AC | 15 ms
8,192 KB |
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:23:23: 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 | elemO v xs = (v ==) $ head $ dropWhile (v >) xs | ^^^^ [2 of 2] Linking a.out
ソースコード
import Data.List main = do getLine l <- getLine let ws = map read $ words l let r = compute ws putStrLn $ if r then "possible" else "impossible" compute ws = even total && elemO (div total 2) (make $ sort ws) where total = sum ws make [] = [0] make (x:xs) = merge ws $ map (x+) ws where ws = make xs merge xs [] = xs merge [] ys = ys merge xxs@(x:xs) yys@(y:ys) | x < y = x : merge xs yys | x > y = y : merge xxs ys | True = x : merge xs ys elemO v xs = (v ==) $ head $ dropWhile (v >) xs