結果
問題 | No.518 ローマ数字の和 |
ユーザー | momen999 |
提出日時 | 2017-05-31 18:25:30 |
言語 | Haskell (9.8.2) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 1,677 bytes |
コンパイル時間 | 2,942 ms |
コンパイル使用メモリ | 169,728 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-09-21 20:25:32 |
合計ジャッジ時間 | 2,371 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 1 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 1 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 1 ms
5,376 KB |
testcase_14 | AC | 1 ms
5,376 KB |
testcase_15 | AC | 2 ms
5,376 KB |
testcase_16 | AC | 1 ms
5,376 KB |
testcase_17 | AC | 1 ms
5,376 KB |
testcase_18 | AC | 1 ms
5,376 KB |
testcase_19 | AC | 1 ms
5,376 KB |
testcase_20 | AC | 2 ms
5,376 KB |
testcase_21 | AC | 1 ms
5,376 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 ) [2 of 2] Linking a.out
ソースコード
toNum ns = iter 0 "" (reverse ns) where iter x _ [] = x iter x s (n:ns) | n == 'V' = iter (x + 5) "V" ns | n == 'L' = iter (x + 50) "L" ns | n == 'D' = iter (x + 500) "D" ns | n == 'M' = iter (x + 1000) "M" ns | n == 'I' = case s of { "V" -> iter (x - 1) "" ns; "X" -> iter (x - 1) "" ns; _ -> iter (x + 1) "" ns; } | n == 'X' = case s of { "L" -> iter (x - 10) "" ns; "C" -> iter (x - 10) "" ns; _ -> iter (x + 10) "X" ns; } | n == 'C' = case s of { "D" -> iter (x - 100) "" ns; "M" -> iter (x - 100) "" ns; _ -> iter (x + 100) "C" ns; } | otherwise = 0 toRoma n | n < 4000 = p1000 (f 3) ++ p100 (f 2) ++ p10 (f 1) ++ p1 (f 0) | otherwise = "ERROR" where f m = (n `div` (10^m)) `mod` 10 p1000 x | x == 0 = "" | otherwise = "M" ++ p1000 (x - 1) p100 x | x == 0 = "" | x == 9 = "CM" | x == 4 = "CD" | x >= 5 = "D" ++ p100 (x - 5) | otherwise = "C" ++ p100 (x - 1) p10 x | x == 0 = "" | x == 9 = "XC" | x == 4 = "XL" | x >= 5 = "L" ++ p10 (x - 5) | otherwise = "X" ++ p10 (x - 1) p1 x | x == 0 = "" | x == 9 = "IX" | x == 4 = "IV" | x >= 5 = "V" ++ p1 (x - 5) | otherwise = "I" ++ p1 (x - 1) main = do getLine ns <- map toNum . words <$> getLine putStrLn $ toRoma $ sum ns