結果

問題 No.406 鴨等間隔の法則
ユーザー sansaquasansaqua
提出日時 2020-11-22 11:54:15
言語 Common Lisp
(sbcl 2.3.8)
結果
AC  
実行時間 63 ms / 2,000 ms
コード長 4,440 bytes
コンパイル時間 68 ms
コンパイル使用メモリ 42,036 KB
実行使用メモリ 33,504 KB
最終ジャッジ日時 2024-07-23 16:24:02
合計ジャッジ時間 2,367 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge2
このコードへのチャレンジ
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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 29 ms
33,372 KB
testcase_01 AC 11 ms
28,616 KB
testcase_02 AC 11 ms
28,616 KB
testcase_03 AC 11 ms
30,648 KB
testcase_04 AC 53 ms
29,300 KB
testcase_05 AC 26 ms
29,424 KB
testcase_06 AC 26 ms
29,432 KB
testcase_07 AC 27 ms
33,504 KB
testcase_08 AC 54 ms
29,304 KB
testcase_09 AC 58 ms
29,304 KB
testcase_10 AC 29 ms
29,304 KB
testcase_11 AC 49 ms
31,464 KB
testcase_12 AC 33 ms
29,304 KB
testcase_13 AC 32 ms
29,428 KB
testcase_14 AC 52 ms
29,304 KB
testcase_15 AC 12 ms
26,920 KB
testcase_16 AC 13 ms
26,924 KB
testcase_17 AC 11 ms
26,664 KB
testcase_18 AC 12 ms
26,664 KB
testcase_19 AC 14 ms
28,880 KB
testcase_20 AC 16 ms
26,792 KB
testcase_21 AC 16 ms
27,052 KB
testcase_22 AC 21 ms
31,012 KB
testcase_23 AC 36 ms
31,464 KB
testcase_24 AC 47 ms
29,432 KB
testcase_25 AC 61 ms
33,376 KB
testcase_26 AC 62 ms
29,432 KB
testcase_27 AC 33 ms
33,352 KB
testcase_28 AC 32 ms
29,308 KB
testcase_29 AC 62 ms
33,372 KB
testcase_30 AC 63 ms
31,472 KB
testcase_31 AC 57 ms
29,432 KB
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コンパイルメッセージ
; compiling file "/home/judge/data/code/Main.lisp" (written 23 JUL 2024 04:23:59 PM):

; wrote /home/judge/data/code/Main.fasl
; compilation finished in 0:00:00.020

ソースコード

diff # 

(in-package :cl-user)
(eval-when (:compile-toplevel :load-toplevel :execute)
  (defparameter *opt*
    #+swank '(optimize (speed 3) (safety 2))
    #-swank '(optimize (speed 3) (safety 0) (debug 0)))
  #+swank (ql:quickload '(:cl-debug-print :fiveam :cp/util) :silent t)
  #+swank (use-package :cp/util :cl-user)
  #-swank (set-dispatch-macro-character
           #\# #\> (lambda (s c p) (declare (ignore c p)) `(values ,(read s nil nil t)))))
#+swank (set-dispatch-macro-character #\# #\> #'cl-debug-print:debug-print-reader)

(macrolet ((def (b)
             `(progn (deftype ,(intern (format nil "UINT~A" b)) () '(unsigned-byte ,b))
                     (deftype ,(intern (format nil "INT~A" b)) () '(signed-byte ,b))))
           (define-int-types (&rest bits) `(progn ,@(mapcar (lambda (b) `(def ,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*
          (if (typep obj 'double-float) 'double-float *read-default-float-format*)))
    (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))))))))

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

;;;
;;; Body
;;;

(defun main ()
  (let* ((n (read))
         (xs (sort (loop repeat n collect (read-fixnum)) #'<)))
    (println (if (loop for (x1 x2 x3) on xs
                       while x3
                       always (and (= (- x2 x1) (- x3 x2))
                                   (/= x1 x2)))
                 "YES"
                 "NO"))))

#-swank (main)

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

#+swank
(progn
  (defparameter *lisp-file-pathname* (uiop:current-lisp-file-pathname))
  (setq *default-pathname-defaults* (uiop:pathname-directory-pathname *lisp-file-pathname*))
  (uiop:chdir *default-pathname-defaults*)
  (defparameter *dat-pathname* (uiop:merge-pathnames* "test.dat" *lisp-file-pathname*))
  (defparameter *problem-url* "https://yukicoder.me/problems/no/406"))

#+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)))

#+(and sbcl (not swank))
(eval-when (:compile-toplevel)
  (when (or (> sb-c::*compiler-warning-count* 0)
            sb-c::*undefined-warnings*)
    (error "count: ~D, undefined warnings: ~A"
           sb-c::*compiler-warning-count*
           sb-c::*undefined-warnings*)))

;; To run: (5am:run! :sample)
#+swank
(5am:test :sample
  (5am:is
   (equal "YES
"
          (run "3
12 0 6
" nil)))
  (5am:is
   (equal "NO
"
          (run "5
63 17 99 34 51
" nil)))
  (5am:is
   (equal "NO
"
          (run "10
1299709 1299709 1299709 1299709 1299709 1299709 1299709 1299709 1299709 1299709
" nil))))
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