結果

問題 No.1512 作文
ユーザー motoshiramotoshira
提出日時 2021-05-21 22:52:15
言語 Common Lisp
(sbcl 2.3.8)
結果
WA  
実行時間 -
コード長 1,829 bytes
コンパイル時間 306 ms
コンパイル使用メモリ 39,704 KB
実行使用メモリ 82,272 KB
最終ジャッジ日時 2024-04-18 16:19:48
合計ジャッジ時間 2,988 ms
ジャッジサーバーID
(参考情報)
judge2 / judge5
このコードへのチャレンジ
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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 WA -
testcase_01 AC 11 ms
28,236 KB
testcase_02 AC 10 ms
28,236 KB
testcase_03 WA -
testcase_04 WA -
testcase_05 WA -
testcase_06 WA -
testcase_07 WA -
testcase_08 WA -
testcase_09 AC 18 ms
37,136 KB
testcase_10 AC 17 ms
33,188 KB
testcase_11 AC 18 ms
35,080 KB
testcase_12 AC 17 ms
33,176 KB
testcase_13 AC 18 ms
33,060 KB
testcase_14 WA -
testcase_15 WA -
testcase_16 WA -
testcase_17 WA -
testcase_18 WA -
testcase_19 WA -
testcase_20 WA -
testcase_21 AC 11 ms
26,536 KB
testcase_22 AC 11 ms
26,284 KB
testcase_23 WA -
testcase_24 WA -
testcase_25 WA -
testcase_26 AC 9 ms
26,280 KB
testcase_27 AC 9 ms
26,276 KB
testcase_28 AC 11 ms
30,248 KB
testcase_29 WA -
testcase_30 AC 10 ms
28,232 KB
testcase_31 AC 10 ms
28,360 KB
testcase_32 AC 11 ms
26,404 KB
testcase_33 AC 10 ms
30,400 KB
testcase_34 AC 12 ms
28,892 KB
testcase_35 WA -
testcase_36 WA -
testcase_37 AC 26 ms
39,296 KB
testcase_38 WA -
testcase_39 WA -
testcase_40 WA -
testcase_41 AC 73 ms
80,236 KB
権限があれば一括ダウンロードができます
コンパイルメッセージ
; compiling file "/home/judge/data/code/Main.lisp" (written 18 APR 2024 04:19:44 PM):

; wrote /home/judge/data/code/Main.fasl
; compilation finished in 0:00:00.023

ソースコード

diff #

(declaim (inline println))
(defun println (obj &optional (stream *standard-output*))
  (let ((*read-default-float-format* 'double-float))
    (prog1 obj
      (princ obj stream)
      (terpri stream))))

(defun ok (xs)
  (sb-int:named-let rec ((xs xs)
                         (c #\a))
    (or (null xs)
        (and (char<= c (first xs))
             (rec (rest xs)
                  (first xs))))))

(defun get-l-and-r (xs)
  (when (ok xs)
    (list (length xs)
          (first (sort (copy-seq xs) #'char<))
          (first (sort (copy-seq xs) #'char>)))))

(define-modify-macro maxf (var) max)

(defun char->int (c)
  (- (char-code c)
     (char-code #\a)))

(defun main ()
  (let* ((n (read))
         (ss (sort (remove-if #'null (mapcar #'get-l-and-r (loop repeat n collect (concatenate 'list (read-line))))) #'(lambda (xs ys)
                                                                                                                         (if (char= (second xs) (second ys))
                                                                                                                             (char< (third xs) (third ys))
                                                                                                                             (char< (second xs) (second ys))))))
         (ys (make-array 26 :initial-element nil)))
    (loop for (cnt l r) in ss
          do (push (list cnt (char->int r))
                   (aref ys (char->int l))))
    (let ((dp (make-array 26 :initial-element 0)))
      (dotimes (l 26)
        (loop for (cnt r) in (aref ys l)
              do (loop for idx from r below 26
                       do (maxf (aref dp idx)
                                (+ (aref dp l)
                                   cnt)))))
      (println (reduce #'max dp)))))

#-swank (main)
0