結果

問題 No.980 Fibonacci Convolution Hard
ユーザー sansaquasansaqua
提出日時 2020-01-31 22:59:03
言語 Common Lisp
(sbcl 2.3.8)
結果
AC  
実行時間 547 ms / 2,000 ms
コード長 6,844 bytes
コンパイル時間 1,834 ms
コンパイル使用メモリ 48,108 KB
実行使用メモリ 96,196 KB
最終ジャッジ日時 2023-10-17 13:48:38
合計ジャッジ時間 12,724 ms
ジャッジサーバーID
(参考情報)
judge11 / judge12
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 524 ms
96,192 KB
testcase_01 AC 529 ms
96,188 KB
testcase_02 AC 524 ms
96,188 KB
testcase_03 AC 526 ms
96,192 KB
testcase_04 AC 538 ms
96,192 KB
testcase_05 AC 539 ms
96,196 KB
testcase_06 AC 541 ms
96,192 KB
testcase_07 AC 547 ms
88,020 KB
testcase_08 AC 541 ms
96,192 KB
testcase_09 AC 545 ms
96,192 KB
testcase_10 AC 546 ms
88,016 KB
testcase_11 AC 540 ms
96,192 KB
testcase_12 AC 545 ms
96,192 KB
testcase_13 AC 544 ms
96,192 KB
testcase_14 AC 542 ms
96,192 KB
testcase_15 AC 546 ms
88,016 KB
testcase_16 AC 522 ms
96,188 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 17 OCT 2023 04:48:24 AM):

; file: /home/judge/data/code/Main.lisp
; in: DEFUN MAIN
;     (+ (MOD* P (AREF CS (- Q 1))) (AREF CS (- Q 2)) (AREF AS (- Q 2)))
; 
; note: unable to
;   optimize
; due to type uncertainty:
;   The first argument is a NUMBER, not a SINGLE-FLOAT.
;   The result is a (VALUES NUMBER &OPTIONAL), not a (VALUES SINGLE-FLOAT &REST
;                                                            T).
; 
; note: unable to
;   optimize
; due to type uncertainty:
;   The first argument is a NUMBER, not a DOUBLE-FLOAT.
; 
; note: unable to
;   optimize
; due to type uncertainty:
;   The first argument is a NUMBER, not a (COMPLEX SINGLE-FLOAT).
;   The result is a (VALUES NUMBER &OPTIONAL), not a (VALUES
;                                                     (COMPLEX SINGLE-FLOAT)
;                                                     &REST T).
; 
; note: unable to
;   optimize
; due to type uncertainty:
;   The first argument is a NUMBER, not a (COMPLEX DOUBLE-FLOAT).
;   The result is a (VALUES NUMBER &OPTIONAL), not a (VALUES
;                                                     (COMPLEX DOUBLE-FLOAT)
;                                                     &REST T).
; 
; note: unable to
;   optimize
; due to type uncertainty:
;   The first argument is a NUMBER, not a SINGLE-FLOAT.
;   The result is a (VALUES REAL &OPTIONAL), not a (VALUES SINGLE-FLOAT &REST T).
; 
; note: unable to
;   optimize
; due to type uncertainty:
;   The first argument is a NUMBER, not a DOUBLE-FLOAT.

;     (MOD (+ (MOD* P (AREF CS (- Q 1))) (AREF CS (- Q 2)) (AREF AS (- Q 2))) +MOD+)
; 
; note: unable to
;   optimize
; due to type uncertainty:
;   The first argument is a REAL, not a SINGLE-FLOAT.
; 
; note: unable to
;   optimize
; due to type uncertainty:
;   The first argument is a REAL, not a DOUBLE-FLOAT.
; 
; note: unable to
;   optimize
; due to type uncertainty:
;   The first argument is a REAL, not a INTEGER.
; 
;

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
           ;; enclose the form with VALUES to avoid being captured by LOOP macro
           #\# #\> (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
(declaim (ftype (function * (values fixnum &optional)) read-fixnum))
(defun read-fixnum (&optional (in *standard-input*))
  "NOTE: cannot read -2^62"
  (declare #.OPT)
  (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 #\-))
                                  (setf 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))))))))

(defmacro with-buffered-stdout (&body body)
  "Buffers all outputs to *STANDARD-OUTPUT* in BODY and flushes them to
*STANDARD-OUTPUT* after BODY has been done (without error). Note that only
BASE-CHAR is allowed."
  (let ((out (gensym)))
    `(let ((,out (make-string-output-stream :element-type 'base-char)))
       (let ((*standard-output* ,out))
         ,@body)
       (write-string (get-output-stream-string ,out)))))

;;;
;;; 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))

     (sb-c:define-source-transform mod* (&rest args)
       (if (null args)
           1
           (reduce (lambda (x y) `(mod (* ,x ,y) ,',divisor)) args)))

     (defun mod+ (&rest args)
       (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)))))

(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 ()
  (declare #.OPT)
  (let* ((p (read))
         (as (make-array 2000001 :element-type 'uint31))
         (cs (make-array 2000001 :element-type 'uint31)))
    (declare (uint31 p))
    (setf (aref as 0) 1
          (aref as 1) 0)
    (loop for i from 2 below (length as)
          for new-a = (mod+ (mod* p (aref as (- i 1)))
                            (aref as (- i 2)))
          do (setf (aref as i) new-a))
    (setf (aref cs 2) (mod* (aref as 1) (aref as 1)))
    (setf (aref cs 3) (mod* 2 (aref as 1) (aref as 2)))
    (loop for q from 4 below (length cs)
          do (setf (aref cs q)
                   (mod (+ (mod* p (aref cs (- q 1)))
                           (aref cs (- q 2))
                           (aref as (- q 2)))
                        +mod+)))
    (with-buffered-stdout
      (dotimes (_ (the uint31 (read)))
        (let ((q (read-fixnum)))
          (println (aref cs q)))))))

#-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)))
0