#446945 (Common Lisp) No.1013 〇マス進む

提出ソース

結果

問題	No.1013 〇マス進む
ユーザー	sansaqua
提出日時	2020-03-20 22:22:53
言語	Common Lisp (sbcl 2.3.8)
結果	WA
実行時間	-
コード長	6,959 bytes
コンパイル時間	1,561 ms
コンパイル使用メモリ	45,944 KB
実行使用メモリ	47,776 KB
最終ジャッジ日時	2024-05-08 22:39:02
合計ジャッジ時間	8,553 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	11 ms 26,916 KB
testcase_01	AC	11 ms 30,784 KB
testcase_02	AC	11 ms 26,792 KB
testcase_03	AC	12 ms 26,792 KB
testcase_04	AC	10 ms 26,788 KB
testcase_05	AC	12 ms 26,792 KB
testcase_06	AC	12 ms 28,880 KB
testcase_07	AC	11 ms 26,920 KB
testcase_08	AC	12 ms 30,784 KB
testcase_09	AC	11 ms 27,176 KB
testcase_10	AC	11 ms 27,048 KB
testcase_11	AC	10 ms 26,920 KB
testcase_12	AC	11 ms 27,176 KB
testcase_13	AC	17 ms 29,496 KB
testcase_14	AC	90 ms 37,696 KB
testcase_15	AC	145 ms 39,864 KB
testcase_16	AC	128 ms 37,564 KB
testcase_17	AC	79 ms 33,452 KB
testcase_18	AC	96 ms 35,504 KB
testcase_19	AC	59 ms 31,544 KB
testcase_20	AC	172 ms 41,796 KB
testcase_21	AC	75 ms 33,596 KB
testcase_22	AC	100 ms 37,540 KB
testcase_23	AC	37 ms 31,672 KB
testcase_24	AC	177 ms 41,932 KB
testcase_25	AC	171 ms 45,844 KB
testcase_26	AC	39 ms 33,580 KB
testcase_27	AC	67 ms 35,632 KB
testcase_28	AC	36 ms 29,608 KB
testcase_29	AC	164 ms 41,784 KB
testcase_30	AC	64 ms 33,604 KB
testcase_31	AC	113 ms 37,696 KB
testcase_32	AC	83 ms 37,556 KB
testcase_33	WA	-
testcase_34	WA	-
testcase_35	WA	-
testcase_36	WA	-
testcase_37	WA	-
testcase_38	WA	-
testcase_39	WA	-
testcase_40	WA	-
testcase_41	WA	-
testcase_42	WA	-
testcase_43	WA	-
testcase_44	WA	-
testcase_45	WA	-
testcase_46	WA	-
testcase_47	WA	-
testcase_48	WA	-
testcase_49	WA	-
testcase_50	WA	-
testcase_51	WA	-
testcase_52	WA	-
testcase_53	WA	-
testcase_54	WA	-
testcase_55	WA	-
testcase_56	WA	-
testcase_57	WA	-
testcase_58	WA	-
testcase_59	WA	-
testcase_60	WA	-
testcase_61	AC	173 ms 45,700 KB
testcase_62	AC	167 ms 41,652 KB
testcase_63	AC	10 ms 26,668 KB
testcase_64	AC	11 ms 30,756 KB

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コンパイルメッセージ

; compiling file "/home/judge/data/code/Main.lisp" (written 08 MAY 2024 10:38:52 PM):

; wrote /home/judge/data/code/Main.fasl
; compilation finished in 0:00:00.089

ソースコード

raw source code

(eval-when (:compile-toplevel :load-toplevel :execute)
  (sb-int:defconstant-eqx OPT
    #+swank '(optimize (speed 3) (safety 2))
    #-swank '(optimize (speed 3) (safety 0) (debug 0))
    #'equal)
  #+swank (ql:quickload '(:cl-debug-print :fiveam) :silent t)
  #-swank (set-dispatch-macro-character
           ;; enclose the form with VALUES to avoid being captured by LOOP macro
           #\# #\> (lambda (s c p) (declare (ignore c p)) `(values ,(read s nil nil t)))))
#+swank (cl-syntax:use-syntax cl-debug-print:debug-print-syntax)
#-swank (disable-debugger) ; for CS Academy

;; BEGIN_INSERTED_CONTENTS
(defmacro with-buffered-stdout (&body body)
  "Buffers all outputs to *STANDARD-OUTPUT* in BODY and flushes them to
*STANDARD-OUTPUT* after BODY has been done (without error). Note that only
BASE-CHAR is allowed."
  (let ((out (gensym)))
    `(let ((,out (make-string-output-stream :element-type 'base-char)))
       (let ((*standard-output* ,out))
         ,@body)
       (write-string (get-output-stream-string ,out)))))

;;;
;;; Arithmetic operations with static modulus
;;;

;; FIXME: Currently MOD* and MOD+ doesn't apply MOD when the number of
;; parameters is one.
(defmacro define-mod-operations (divisor)
  `(progn
     (defun mod* (&rest args)
       (reduce (lambda (x y) (mod (* x y) ,divisor)) args))

     (eval-when (:compile-toplevel :load-toplevel :execute)
       (sb-c:define-source-transform mod* (&rest args)
         (if (null args)
             1
             (reduce (lambda (x y) `(mod (* ,x ,y) ,',divisor)) args))))

     (defun mod+ (&rest args)
       (reduce (lambda (x y) (mod (+ x y) ,divisor)) args))

     (eval-when (:compile-toplevel :load-toplevel :execute)
       (sb-c:define-source-transform mod+ (&rest args)
         (if (null args)
             0
             (reduce (lambda (x y) `(mod (+ ,x ,y) ,',divisor)) args))))

     (define-modify-macro incfmod (delta)
       (lambda (x y) (mod (+ x y) ,divisor)))

     (define-modify-macro decfmod (delta)
       (lambda (x y) (mod (- x y) ,divisor)))

     (define-modify-macro mulfmod (multiplier)
       (lambda (x y) (mod (* x y) ,divisor)))))

(declaim (ftype (function * (values fixnum &optional)) read-fixnum))
(defun read-fixnum (&optional (in *standard-input*))
  "NOTE: cannot read -2^62"
  (macrolet ((%read-byte ()
               `(the (unsigned-byte 8)
                     #+swank (char-code (read-char in nil #\Nul))
                     #-swank (sb-impl::ansi-stream-read-byte in nil #.(char-code #\Nul) nil))))
    (let* ((minus nil)
           (result (loop (let ((byte (%read-byte)))
                           (cond ((<= 48 byte 57)
                                  (return (- byte 48)))
                                 ((zerop byte) ; #\Nul
                                  (error "Read EOF or #\Nul."))
                                 ((= byte #.(char-code #\-))
                                  (setq minus t)))))))
      (declare ((integer 0 #.most-positive-fixnum) result))
      (loop
        (let* ((byte (%read-byte)))
          (if (<= 48 byte 57)
              (setq result (+ (- byte 48)
                              (* 10 (the (integer 0 #.(floor most-positive-fixnum 10))
                                         result))))
              (return (if minus (- result) result))))))))

(defmacro dbg (&rest forms)
  #+swank
  (if (= (length forms) 1)
      `(format *error-output* "~A => ~A~%" ',(car forms) ,(car forms))
      `(format *error-output* "~A => ~A~%" ',forms `(,,@forms)))
  #-swank (declare (ignore forms)))

(defmacro define-int-types (&rest bits)
  `(progn
     ,@(mapcar (lambda (b) `(deftype ,(intern (format nil "UINT~A" b)) () '(unsigned-byte ,b))) bits)
     ,@(mapcar (lambda (b) `(deftype ,(intern (format nil "INT~A" b)) () '(signed-byte ,b))) bits)))
(define-int-types 2 4 7 8 15 16 31 32 62 63 64)

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

(defconstant +mod+ 1000000007)

;;;
;;; Body
;;;

(defconstant +max-depth+ 30)
(define-mod-operations +mod+)

(defun main ()
  (let* ((n (read))
         (k (read))
         (ps (make-array n :element-type 'uint31))
         (dp (make-array (list n (+ +max-depth+ 1)) :element-type 'uint31)))
    (dotimes (i n)
      (setf (aref ps i) (- (read-fixnum) 1)))
    (dotimes (i n)
      (setf (aref dp i 0) (+ (aref ps i) 1)))
    (dotimes (depth +max-depth+)
      (dotimes (i n)
        (let* ((delta1 (aref dp i depth))
               (delta2 (aref dp (mod (+ i delta1) n) depth)))
          (setf (aref dp i (+ depth 1))
                (mod+ delta1 delta2)))))
    (with-buffered-stdout
      (dotimes (init n)
        (let ((x init)
              (step 0))
          (loop for depth from +max-depth+ downto 0
                when (<= (+ step (ash 1 depth)) k)
                do (incf step (ash 1 depth))
                   (incf x (aref dp (mod x n) depth)))
          (println (+ x 1)))))))

#-swank (main)

;;;
;;; Test and benchmark
;;;

#+swank
(defun io-equal (in-string out-string &key (function #'main) (test #'equal))
  "Passes IN-STRING to *STANDARD-INPUT*, executes FUNCTION, and returns true if
the string output to *STANDARD-OUTPUT* is equal to OUT-STRING."
  (labels ((ensure-last-lf (s)
             (if (eql (uiop:last-char s) #\Linefeed)
                 s
                 (uiop:strcat s uiop:+lf+))))
    (funcall test
             (ensure-last-lf out-string)
             (with-output-to-string (out)
               (let ((*standard-output* out))
                 (with-input-from-string (*standard-input* (ensure-last-lf in-string))
                   (funcall function)))))))

#+swank
(defun get-clipbrd ()
  (with-output-to-string (out)
    (run-program "powershell.exe" '("-Command" "Get-Clipboard") :output out :search t)))

#+swank (defparameter *this-pathname* (uiop:current-lisp-file-pathname))
#+swank (defparameter *dat-pathname* (uiop:merge-pathnames* "test.dat" *this-pathname*))

#+swank
(defun run (&optional thing (out *standard-output*))
  "THING := null | string | symbol | pathname

null: run #'MAIN using the text on clipboard as input.
string: run #'MAIN using the string as input.
symbol: alias of FIVEAM:RUN!.
pathname: run #'MAIN using the text file as input."
  (let ((*standard-output* out))
    (etypecase thing
      (null
       (with-input-from-string (*standard-input* (delete #\Return (get-clipbrd)))
         (main)))
      (string
       (with-input-from-string (*standard-input* (delete #\Return thing))
         (main)))
      (symbol (5am:run! thing))
      (pathname
       (with-open-file (*standard-input* thing)
         (main))))))

#+swank
(defun gen-dat ()
  (uiop:with-output-file (out *dat-pathname* :if-exists :supersede)
    (format out "")))

#+swank
(defun bench (&optional (out (make-broadcast-stream)))
  (time (run *dat-pathname* out)))

yukicoder

結果

テストケース

コンパイルメッセージ

ソースコード