結果

問題 No.1183 コイン遊び
ユーザー sansaquasansaqua
提出日時 2020-08-22 13:03:50
言語 Common Lisp
(sbcl 2.3.8)
結果
AC  
実行時間 122 ms / 2,000 ms
コード長 6,836 bytes
コンパイル時間 1,032 ms
コンパイル使用メモリ 39,352 KB
実行使用メモリ 29,548 KB
最終ジャッジ日時 2023-08-05 09:42:01
合計ジャッジ時間 5,806 ms
ジャッジサーバーID
（参考情報） 		judge12 / judge11
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 9 ms
23,440 KB
testcase_01 AC 9 ms
23,392 KB
testcase_02 AC 10 ms
23,440 KB
testcase_03 AC 9 ms
27,452 KB
testcase_04 AC 10 ms
25,460 KB
testcase_05 AC 9 ms
25,440 KB
testcase_06 AC 10 ms
27,588 KB
testcase_07 AC 10 ms
23,448 KB
testcase_08 AC 9 ms
23,516 KB
testcase_09 AC 9 ms
23,460 KB
testcase_10 AC 13 ms
25,616 KB
testcase_11 AC 17 ms
23,564 KB
testcase_12 AC 79 ms
23,816 KB
testcase_13 AC 70 ms
23,784 KB
testcase_14 AC 113 ms
23,928 KB
testcase_15 AC 121 ms
29,540 KB
testcase_16 AC 121 ms
23,864 KB
testcase_17 AC 120 ms
23,924 KB
testcase_18 AC 120 ms
23,868 KB
testcase_19 AC 120 ms
23,868 KB
testcase_20 AC 121 ms
29,548 KB
testcase_21 AC 98 ms
23,952 KB
testcase_22 AC 96 ms
25,916 KB
testcase_23 AC 96 ms
25,896 KB
testcase_24 AC 96 ms
25,908 KB
testcase_25 AC 121 ms
25,984 KB
testcase_26 AC 120 ms
23,932 KB
testcase_27 AC 118 ms
23,936 KB
testcase_28 AC 119 ms
23,940 KB
testcase_29 AC 100 ms
27,576 KB
testcase_30 AC 108 ms
25,904 KB
testcase_31 AC 120 ms
23,876 KB
testcase_32 AC 122 ms
23,952 KB
testcase_33 AC 120 ms
25,908 KB
testcase_34 AC 121 ms
27,496 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 05 AUG 2023 09:41:55 AM):
; 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 (DEFPACKAGE :CP/READ-FIXNUM ...)
; processing (IN-PACKAGE :CP/READ-FIXNUM)
; processing (DECLAIM (FTYPE # ...))
; processing (DEFUN READ-FIXNUM ...)
; processing (DEFPACKAGE :CP/RUN-LENGTH ...)
; processing (IN-PACKAGE :CP/RUN-LENGTH)
; processing (DECLAIM (INLINE MAP-RUN-LENGTH))
; processing (DEFUN MAP-RUN-LENGTH ...)
; processing (USE-PACKAGE :CP/RUN-LENGTH ...)
; processing (USE-PACKAGE :CP/READ-FIXNUM ...)
; processing (IN-PACKAGE :CL-USER)
; processing (DEFUN MAIN ...)
; file: /home/judge/data/code/Main.lisp
; in: DEFUN MAIN
;     (MAP-RUN-LENGTH (LAMBDA (BIT COUNT) (WHEN (= BIT 1) (INCF RES))) ABS)
; --> BLOCK ETYPECASE LET COND IF IF PROGN WHEN IF LABELS CP/RUN-LENGTH::RECUR 
; --> BLOCK COND IF IF CP/RUN-LENGTH::RECUR + 
; ==>
;   COUNT
; 
; note: deleting unreachable code

;     (LAMBDA (BIT COUNT) (WHEN (= BIT 1) (INCF RES)))
; ==>
;   #'(LAMBDA (BIT COUNT) (WHEN (= BIT 1) (INCF RES)))
; 
; caught STYLE-WARNING:
;   The variable COUNT is defined but never used.

; processing (MAIN); 
; compilation unit finished
;   caught 1 STYLE-WARNING condition
;   printed 1 note


; wrote /home/judge/data/code/Main.fasl
; compilation finished in 0:00:00.077

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
(defpackage :cp/read-fixnum
  (:use :cl)
  (:export #:read-fixnum))
(in-package :cp/read-fixnum)

(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))))))))

(defpackage :cp/run-length
  (:use :cl)
  (:export #:map-run-length))
(in-package :cp/run-length)

(declaim (inline map-run-length))
(defun map-run-length (function seq &key (test #'eql))
  "Applies FUNCTION to each equal successive element of SEQ. FUNCTION must take
two arguments: the first one receives an element in SEQ and the second one
receives the number of the successive elements equal to the first.

Example: (map-run-length (lambda (x c) (format t \"~D ~D~%\" x c)) #(1 1 1 2 2 1 3))
1 3
2 2
1 1
3 1
"
     (declare (sequence seq)
              (function test function))
     (etypecase seq
       (vector
        (unless (zerop (length seq))
          (let ((prev (aref seq 0))
                (start 0))
            (loop for pos from 1 below (length seq)
                  unless (funcall test prev (aref seq pos))
                  do (funcall function prev (- pos start))
                     (setf prev (aref seq pos)
                           start pos)
                  finally (funcall function prev (- pos start))))))
       (list
        (when (cdr seq)
          (labels ((recur (lst prev count)
                     (declare ((integer 0 #.most-positive-fixnum) count))
                     (cond ((null lst)
                            (funcall function prev count))
                           ((funcall test prev (car lst))
                            (recur (cdr lst) prev (+ 1 count)))
                           (t (funcall function prev count)
                              (recur (cdr lst) (car lst) 1)))))
            (recur (cdr seq) (car seq) 1))))))

;; BEGIN_USE_PACKAGE
(eval-when (:compile-toplevel :load-toplevel :execute)
  (use-package :cp/run-length :cl-user))
(eval-when (:compile-toplevel :load-toplevel :execute)
  (use-package :cp/read-fixnum :cl-user))
(in-package :cl-user)

;;;
;;; Body
;;;

(defun main ()
  (let* ((n (read))
         (as (make-array n :element-type 'bit :initial-element 0))
         (bs (make-array n :element-type 'bit :initial-element 0)))
    (dotimes (i n)
      (setf (aref as i) (read-fixnum)))
    (dotimes (i n)
      (setf (aref bs i) (read-fixnum)))
    (let ((abs (bit-xor as bs))
          (res 0))
      (map-run-length (lambda (bit count)
                        (when (= bit 1)
                          (incf res)))
                      abs)
      (println res))))

#-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 "1
"
          (run "4
0 0 0 1
1 1 0 1
" nil)))
  (it.bese.fiveam:is
   (equal "3
"
          (run "7
0 0 1 1 0 0 0
1 1 0 1 1 0 1
" nil)))
  (it.bese.fiveam:is
   (equal "5
"
          (run "20
0 1 1 0 1 1 1 0 0 0 0 1 1 0 0 0 0 0 0 0
1 0 1 1 1 0 0 0 0 0 0 1 1 1 0 1 1 1 1 1
" nil))))
0