結果

問題 No.1052 電子機器X
ユーザー sansaquasansaqua
提出日時 2020-05-15 21:29:30
言語 Common Lisp
(sbcl 2.3.8)
結果
AC  
実行時間 8 ms / 1,000 ms
コード長 4,293 bytes
コンパイル時間 1,353 ms
コンパイル使用メモリ 36,096 KB
実行使用メモリ 22,528 KB
最終ジャッジ日時 2024-09-19 08:37:11
合計ジャッジ時間 1,863 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge3
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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 7 ms
22,400 KB
testcase_01 AC 8 ms
22,400 KB
testcase_02 AC 7 ms
22,400 KB
testcase_03 AC 8 ms
22,528 KB
testcase_04 AC 7 ms
22,528 KB
testcase_05 AC 7 ms
22,400 KB
testcase_06 AC 7 ms
22,528 KB
testcase_07 AC 7 ms
22,400 KB
testcase_08 AC 7 ms
22,400 KB
testcase_09 AC 7 ms
22,400 KB
testcase_10 AC 7 ms
22,272 KB
testcase_11 AC 7 ms
22,528 KB
testcase_12 AC 7 ms
22,528 KB
testcase_13 AC 7 ms
22,400 KB
testcase_14 AC 7 ms
22,528 KB
testcase_15 AC 7 ms
22,400 KB
testcase_16 AC 7 ms
22,528 KB
testcase_17 AC 6 ms
22,400 KB
testcase_18 AC 7 ms
22,400 KB
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コンパイルメッセージ
; compiling file "/home/judge/data/code/Main.lisp" (written 19 SEP 2024 08:37:08 AM):

; wrote /home/judge/data/code/Main.fasl
; compilation finished in 0:00:00.063

ソースコード

diff # 

(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
           #\# #\> (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
(in-package :cl-user)

(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
;;;

(defun test (n k)
  (let ((dp (make-array n :element-type 'bit :initial-element 0)))
    (when (> n 0) (setf (aref dp 0) 1))
    (dotimes (_ k)
      (let ((new-dp (make-array n :element-type 'bit :initial-element 0)))
        (dotimes (j n)
          (when (= 1 (aref dp j))
            (setf (aref new-dp (mod (+ j 1) n)) 1
                  (aref new-dp (mod (- j 1) n)) 1)))
        (setq dp new-dp)))
    dp))

(defun test* (n k)
  (let ((mat (make-array (list n k) :element-type 'uint31 :initial-element 0)))
    (dotimes (i n)
      (dotimes (j k)
        (setf (aref mat i j) (count 1 (test i j)))))
    mat))
(defun main ()
  (let* ((n (read))
         (k (read)))
    (println
     (if (oddp n)
         (min (+ k 1) n)
         (min (+ k 1) (floor n 2))))))

#-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)))

;; To run: (5am:run! :sample)
#+swank
(it.bese.fiveam:test :sample
  (it.bese.fiveam:is
   (common-lisp-user::io-equal "3 1
"
    "2
"))
  (it.bese.fiveam:is
   (common-lisp-user::io-equal "6 3
"
    "3
"))
  (it.bese.fiveam:is
   (common-lisp-user::io-equal "5 3
"
    "4
")))
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