結果

問題 No.1049 Zero (Exhaust)
ユーザー sansaquasansaqua
提出日時 2020-05-08 21:50:17
言語 Common Lisp
(sbcl 2.3.8)
結果
AC  
実行時間 118 ms / 2,000 ms
コード長 5,264 bytes
コンパイル時間 1,104 ms
コンパイル使用メモリ 40,576 KB
実行使用メモリ 30,336 KB
最終ジャッジ日時 2024-07-04 00:28:47
合計ジャッジ時間 3,508 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge5
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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 8 ms
22,272 KB
testcase_01 AC 8 ms
22,400 KB
testcase_02 AC 8 ms
22,400 KB
testcase_03 AC 78 ms
27,904 KB
testcase_04 AC 9 ms
22,272 KB
testcase_05 AC 66 ms
26,752 KB
testcase_06 AC 115 ms
30,336 KB
testcase_07 AC 22 ms
23,680 KB
testcase_08 AC 39 ms
24,704 KB
testcase_09 AC 86 ms
28,416 KB
testcase_10 AC 93 ms
28,928 KB
testcase_11 AC 95 ms
28,800 KB
testcase_12 AC 108 ms
29,824 KB
testcase_13 AC 31 ms
24,192 KB
testcase_14 AC 54 ms
25,856 KB
testcase_15 AC 82 ms
28,160 KB
testcase_16 AC 69 ms
26,752 KB
testcase_17 AC 72 ms
27,136 KB
testcase_18 AC 99 ms
29,184 KB
testcase_19 AC 85 ms
28,032 KB
testcase_20 AC 39 ms
24,960 KB
testcase_21 AC 84 ms
28,288 KB
testcase_22 AC 52 ms
25,728 KB
testcase_23 AC 118 ms
30,336 KB
testcase_24 AC 118 ms
30,336 KB
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コンパイルメッセージ
; compiling file "/home/judge/data/code/Main.lisp" (written 04 JUL 2024 12:28:43 AM):

; wrote /home/judge/data/code/Main.fasl
; compilation finished in 0:00:00.076

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
;;;
;;; 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))

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

     #+sbcl
     (eval-when (:compile-toplevel :load-toplevel :execute)
       (locally (declare (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)))))

(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
;;;

(define-mod-operations +mod+)
(defun main ()
  (let* ((p (read))
         (k (read))
         (dp (make-array (list (+ k 1) 2) :element-type 'uint31 :initial-element 0)))
    (declare (uint31 p k))
    (setf (aref dp 0 0) 1)
    (dotimes (x k)
      (incfmod (aref dp (+ x 1) 0)
               (mod* (+ p 1) (aref dp x 0)))
      (incfmod (aref dp (+ x 1) 0)
               (mod* 2 (aref dp x 1)))
      (incfmod (aref dp (+ x 1) 1)
               (mod* (- p 1) (aref dp x 0)))
      (incfmod (aref dp (+ x 1) 1)
               (mod* (* 2 (- p 1)) (aref dp x 1))))
    (println (aref dp k 0))))

#-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
"
    "4
"))
  (it.bese.fiveam:is
   (common-lisp-user::io-equal "2 2
"
    "11
"))
  (it.bese.fiveam:is
   (common-lisp-user::io-equal "5 10
"
    "334032363
")))
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