結果

問題 No.1185 完全な3の倍数
ユーザー sansaquasansaqua
提出日時 2020-08-22 13:15:35
言語 Common Lisp
(sbcl 2.3.8)
結果
AC  
実行時間 16 ms / 2,000 ms
コード長 3,651 bytes
コンパイル時間 1,017 ms
コンパイル使用メモリ 36,880 KB
実行使用メモリ 26,236 KB
最終ジャッジ日時 2023-08-15 23:42:23
合計ジャッジ時間 3,131 ms
ジャッジサーバーID
（参考情報） 		judge11 / judge15
このコードへのチャレンジ（β）

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 16 ms
26,236 KB
testcase_01 AC 13 ms
23,196 KB
testcase_02 AC 15 ms
25,872 KB
testcase_03 AC 14 ms
23,280 KB
testcase_04 AC 14 ms
23,180 KB
testcase_05 AC 14 ms
23,184 KB
testcase_06 AC 13 ms
23,184 KB
testcase_07 AC 13 ms
23,232 KB
testcase_08 AC 15 ms
25,788 KB
testcase_09 AC 14 ms
26,104 KB
testcase_10 AC 14 ms
25,272 KB
testcase_11 AC 13 ms
23,188 KB
testcase_12 AC 14 ms
23,288 KB
testcase_13 AC 13 ms
23,188 KB
testcase_14 AC 14 ms
25,216 KB
testcase_15 AC 14 ms
23,180 KB
testcase_16 AC 14 ms
25,860 KB
testcase_17 AC 14 ms
23,184 KB
testcase_18 AC 14 ms
23,232 KB
testcase_19 AC 15 ms
23,196 KB
testcase_20 AC 14 ms
26,052 KB
testcase_21 AC 15 ms
26,092 KB
testcase_22 AC 13 ms
23,260 KB
testcase_23 AC 15 ms
23,236 KB
testcase_24 AC 14 ms
23,176 KB
testcase_25 AC 13 ms
23,252 KB
testcase_26 AC 14 ms
23,200 KB
testcase_27 AC 13 ms
26,168 KB
testcase_28 AC 13 ms
26,168 KB
testcase_29 AC 14 ms
23,236 KB
testcase_30 AC 13 ms
23,280 KB
testcase_31 AC 13 ms
26,092 KB
testcase_32 AC 13 ms
25,224 KB
testcase_33 AC 12 ms
23,184 KB
testcase_34 AC 15 ms
25,920 KB
testcase_35 AC 14 ms
23,188 KB
testcase_36 AC 14 ms
25,236 KB
testcase_37 AC 15 ms
25,308 KB
testcase_38 AC 14 ms
25,204 KB
testcase_39 AC 13 ms
23,184 KB
testcase_40 AC 13 ms
25,788 KB
testcase_41 AC 14 ms
25,208 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 15 AUG 2023 11:42:19 PM):
; processing (IN-PACKAGE :CL-USER)
; processing (SB-INT:DEFCONSTANT-EQX OPT ...)
; processing (SET-DISPATCH-MACRO-CHARACTER #\# ...)
; processing (DEFMACRO DEFINE-INT-TYPES ...)
; processing (DEFINE-INT-TYPES 2 ...)
; processing (DEFCONSTANT +MOD+ ...)
; processing (DEFMACRO DBG ...)
; processing (DECLAIM (INLINE PRINTLN))
; processing (DEFUN PRINTLN ...)
; processing (IN-PACKAGE :CL-USER)
; processing (DEFUN SOLVE ...)
; processing (DEFUN MAIN ...)
; processing (MAIN)

; wrote /home/judge/data/code/Main.fasl
; compilation finished in 0:00:00.090

ソースコード

diff # 

(in-package :cl-user)
(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)

(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)

(defconstant +mod+ 1000000007)

(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)))

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

;; BEGIN_INSERTED_CONTENTS
;; BEGIN_USE_PACKAGE
(in-package :cl-user)

;;;
;;; Body
;;;

(defun solve (n)
  (let ((res 0))
    (sb-int:named-let dfs ((pos 0) (path 0))
      (if (= pos 9)
          (when (<= 100 path n)
            (incf res))
          (dolist (digit '(0 3 6 9))
            (dfs (+ pos 1) (+ (* path 10) digit)))))
    (loop for num from 10 to (min n 99)
          for d1 = (mod num 10)
          for d2 = (floor num 10)
          when (zerop (mod (+ d1 d2) 3))
          do (incf res))
    res))

(defun main ()
  (let* ((n (read)))
    (println (solve n))))

#-swank (main)

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

#+swank
(defun get-clipbrd ()
  (with-output-to-string (out)
    #+os-windows (run-program "powershell.exe" '("-Command" "Get-Clipboard") :output out :search t)
    #+os-unix (run-program "xsel" '("-b" "-o") :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* (or out (make-string-output-stream)))
         (res (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))))))
    (if out res (get-output-stream-string *standard-output*))))

#+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
   (equal "2
"
          (run "15
" nil)))
  (it.bese.fiveam:is
   (equal "31
"
          (run "300
" nil)))
  (it.bese.fiveam:is
   (equal "1038
"
          (run "100000
" nil))))
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