結果

問題 No.1189 Sum is XOR
ユーザー sansaquasansaqua
提出日時 2020-08-22 14:10:16
言語 Common Lisp
(sbcl 2.3.8)
結果
AC  
実行時間 309 ms / 2,000 ms
コード長 7,139 bytes
コンパイル時間 845 ms
コンパイル使用メモリ 51,652 KB
実行使用メモリ 73,932 KB
最終ジャッジ日時 2024-10-15 08:26:03
合計ジャッジ時間 4,816 ms
ジャッジサーバーID
(参考情報)
judge3 / judge2
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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 242 ms
63,652 KB
testcase_01 AC 159 ms
49,356 KB
testcase_02 AC 129 ms
47,424 KB
testcase_03 AC 19 ms
26,920 KB
testcase_04 AC 18 ms
26,792 KB
testcase_05 AC 24 ms
29,008 KB
testcase_06 AC 29 ms
30,912 KB
testcase_07 AC 20 ms
26,920 KB
testcase_08 AC 15 ms
29,008 KB
testcase_09 AC 14 ms
26,920 KB
testcase_10 AC 14 ms
26,664 KB
testcase_11 AC 173 ms
51,496 KB
testcase_12 AC 129 ms
49,300 KB
testcase_13 AC 238 ms
59,812 KB
testcase_14 AC 237 ms
61,644 KB
testcase_15 AC 255 ms
67,752 KB
testcase_16 AC 309 ms
73,932 KB
testcase_17 AC 203 ms
55,592 KB
testcase_18 AC 147 ms
47,532 KB
testcase_19 AC 239 ms
61,896 KB
testcase_20 AC 290 ms
68,008 KB
testcase_21 AC 84 ms
39,084 KB
testcase_22 AC 85 ms
43,176 KB
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コンパイルメッセージ
; compiling file "/home/judge/data/code/Main.lisp" (written 15 OCT 2024 08:25:57 AM):

; wrote /home/judge/data/code/Main.fasl
; compilation finished in 0:00:00.091

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+ 998244353)

(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))))))))

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

(defpackage :cp/mod-operations
  (:use :cl)
  (:export #:define-mod-operations))
(in-package :cp/mod-operations)

;; NOTE: Currently MOD* and MOD+ doesn't apply MOD when the number of
;; parameters is one. For simplicity I won't fix it for now.
(defmacro define-mod-operations (divisor)
  (let ((mod* (intern "MOD*"))
        (mod+ (intern "MOD+"))
        (incfmod (intern "INCFMOD"))
        (decfmod (intern "DECFMOD"))
        (mulfmod (intern "MULFMOD")))
    `(progn
       (defun ,mod* (&rest args)
         (reduce (lambda (x y) (mod (* x y) ,divisor)) args))

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

       #+sbcl
       (eval-when (:compile-toplevel :load-toplevel :execute)
         (locally (declare (sb-ext:muffle-conditions warning))
           (sb-c:define-source-transform ,mod* (&rest args)
             (if (null args)
                 1
                 (reduce (lambda (x y) `(mod (* ,x ,y) ,',divisor)) args)))
           (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))))))

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

;;;
;;; Body
;;;

(define-mod-operations +mod+)
(defconstant +smax+ (ash 1 10))
(defun main ()
  (let* ((n (read))
         (k (read))
         (acounter (make-array +smax+ :element-type 'uint31 :initial-element 0)))
    (declare (uint31 n k))
    (dotimes (i n)
      (incf (aref acounter (read-fixnum))))
    (when (> k 10)
      (println 0)
      (return-from main))
    (let ((dp (make-array (list (+ 1 +smax+) (+ k 1) +smax+)
                          :element-type 'uint31
                          :initial-element 0)))
      #>acounter
      (setf (aref dp 0 0 0) 1)
      (dotimes (a +smax+)
        (let ((acount (aref acounter a)))
          (dotimes (s +smax+)
            (dotimes (y (+ k 1))
              (when (and (< y k) (zerop (logand a s)))
                (incfmod (aref dp (+ a 1) (+ y 1) (logior a s))
                    (mod* (aref dp a y s) acount)))
              (incfmod (aref dp (+ a 1) y s) (aref dp a y s))))))
      (let ((res 0))
        (dotimes (s +smax+)
          (incfmod res (aref dp (- +smax+ 1) k s)))
        (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 "2
"
          (run "3 2
1 2 5
" nil)))
  (it.bese.fiveam:is
   (equal "1
"
          (run "2 2
1 2
" nil))))
0