結果
| 問題 |
No.146 試験監督(1)
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2015-04-18 04:23:34 |
| 言語 | Haskell (9.10.1) |
| 結果 |
AC
|
| 実行時間 | 675 ms / 1,000 ms |
| コード長 | 260 bytes |
| コンパイル時間 | 2,019 ms |
| コンパイル使用メモリ | 176,128 KB |
| 実行使用メモリ | 8,320 KB |
| 最終ジャッジ日時 | 2024-07-04 16:12:11 |
| 合計ジャッジ時間 | 5,728 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 3 |
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:5:1: warning: [GHC-94817] [-Wtabs]
Tab character found here, and in two further locations.
Suggested fix: Please use spaces instead.
|
5 | where
| ^^^^^^^^
Main.hs:6:24: 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 | calc x = (div (head $ reads x) 2 + mod (head $ reads x) 2) * (last $ reads x)
| ^^^^
Main.hs:6:49: 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 | calc x = (div (head $ reads x) 2 + mod (head $ reads x) 2) * (last $ reads x)
| ^^^^
[2 of 2] Linking a.out
ソースコード
main = getLine >> getContents >>= print . (`mod` 1000000007) . solve . lines solve :: [String] -> Integer solve = foldl (\acc x -> calc x + acc) 0 where calc x = (div (head $ reads x) 2 + mod (head $ reads x) 2) * (last $ reads x) reads = map read . words