結果
問題 | No.312 置換処理 |
ユーザー | aimy |
提出日時 | 2017-05-01 12:53:32 |
言語 | Haskell (9.8.2) |
結果 |
AC
|
実行時間 | 683 ms / 2,000 ms |
コード長 | 630 bytes |
コンパイル時間 | 8,153 ms |
コンパイル使用メモリ | 170,368 KB |
実行使用メモリ | 14,720 KB |
最終ジャッジ日時 | 2024-11-15 12:16:31 |
合計ジャッジ時間 | 12,859 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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 | 169 ms
9,984 KB |
testcase_01 | AC | 417 ms
11,904 KB |
testcase_02 | AC | 683 ms
14,592 KB |
testcase_03 | AC | 681 ms
14,720 KB |
testcase_04 | AC | 2 ms
6,816 KB |
testcase_05 | AC | 672 ms
14,592 KB |
testcase_06 | AC | 338 ms
11,648 KB |
testcase_07 | AC | 583 ms
11,904 KB |
testcase_08 | AC | 520 ms
11,776 KB |
testcase_09 | AC | 192 ms
9,984 KB |
testcase_10 | AC | 236 ms
10,112 KB |
testcase_11 | AC | 537 ms
11,904 KB |
testcase_12 | AC | 209 ms
10,112 KB |
testcase_13 | AC | 30 ms
8,320 KB |
testcase_14 | AC | 400 ms
11,904 KB |
testcase_15 | AC | 333 ms
11,648 KB |
testcase_16 | AC | 176 ms
9,984 KB |
testcase_17 | AC | 209 ms
10,112 KB |
testcase_18 | AC | 461 ms
11,904 KB |
testcase_19 | AC | 558 ms
11,904 KB |
testcase_20 | AC | 645 ms
14,592 KB |
testcase_21 | AC | 668 ms
14,464 KB |
testcase_22 | AC | 2 ms
6,816 KB |
testcase_23 | AC | 2 ms
6,816 KB |
testcase_24 | AC | 1 ms
6,820 KB |
testcase_25 | AC | 2 ms
6,816 KB |
testcase_26 | AC | 2 ms
6,816 KB |
testcase_27 | AC | 1 ms
6,816 KB |
testcase_28 | AC | 1 ms
6,816 KB |
testcase_29 | AC | 1 ms
6,816 KB |
testcase_30 | AC | 55 ms
8,448 KB |
testcase_31 | AC | 84 ms
8,704 KB |
testcase_32 | AC | 38 ms
8,448 KB |
testcase_33 | AC | 155 ms
9,984 KB |
testcase_34 | AC | 159 ms
10,112 KB |
testcase_35 | AC | 159 ms
9,984 KB |
testcase_36 | AC | 2 ms
6,816 KB |
testcase_37 | AC | 1 ms
6,816 KB |
testcase_38 | AC | 1 ms
6,816 KB |
testcase_39 | AC | 148 ms
9,984 KB |
testcase_40 | AC | 2 ms
6,816 KB |
testcase_41 | AC | 1 ms
6,816 KB |
testcase_42 | AC | 5 ms
6,816 KB |
testcase_43 | AC | 2 ms
6,820 KB |
testcase_44 | AC | 1 ms
6,816 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:17:32: 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." | 17 | rmin n = if length twos > 1 && head (rest++[n]) /= 3 then 4 else head (rest++[n]) | ^^^^ Main.hs:17:66: 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." | 17 | rmin n = if length twos > 1 && head (rest++[n]) /= 3 then 4 else head (rest++[n]) | ^^^^ [2 of 2] Linking a.out
ソースコード
import Data.List primes = 2:3:[x | i<-[1..], j<-[-1,1], let x = 6*i+j, isPrime x] where isPrime n = null [i | i<-takeWhile (\x -> x^2 <= n) primes, mod n i == 0] factorization :: Integer -> [Integer] factorization n = unfoldr fact (n, primes) where q = (floor . sqrt . fromIntegral) n fact (n', pps@(p:ps)) | n' == 1 = Nothing | p > q = Just (n',(1,pps)) | otherwise = let (d,m) = divMod n' p in if m==0 then Just (p,(d,pps)) else fact (n',ps) main = readLn >>= print . rmin rmin n = if length twos > 1 && head (rest++[n]) /= 3 then 4 else head (rest++[n]) where (twos,rest) = partition (==2) (factorization n)