結果
| 問題 | No.921 ずんだアロー |
| ユーザー |
 sansaqua
|
| 提出日時 | 2019-11-08 21:29:24 |
| 言語 | Common Lisp (sbcl 2.3.8) |
| 結果 |
AC
|
| 実行時間 | 23 ms / 2,000 ms |
| コード長 | 4,878 bytes |
| コンパイル時間 | 935 ms |
| コンパイル使用メモリ | 33,792 KB |
| 実行使用メモリ | 23,168 KB |
| 最終ジャッジ日時 | 2024-09-15 01:12:36 |
| 合計ジャッジ時間 | 2,153 ms |
|
ジャッジサーバーID （参考情報） |
judge5 / judge1 |
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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 | 9 ms
22,528 KB |
| testcase_01 | AC | 10 ms
22,656 KB |
| testcase_02 | AC | 10 ms
22,656 KB |
| testcase_03 | AC | 9 ms
22,528 KB |
| testcase_04 | AC | 9 ms
22,528 KB |
| testcase_05 | AC | 9 ms
22,528 KB |
| testcase_06 | AC | 10 ms
22,656 KB |
| testcase_07 | AC | 9 ms
22,528 KB |
| testcase_08 | AC | 9 ms
22,528 KB |
| testcase_09 | AC | 9 ms
22,528 KB |
| testcase_10 | AC | 22 ms
23,040 KB |
| testcase_11 | AC | 22 ms
23,040 KB |
| testcase_12 | AC | 12 ms
22,784 KB |
| testcase_13 | AC | 18 ms
22,912 KB |
| testcase_14 | AC | 20 ms
23,168 KB |
| testcase_15 | AC | 15 ms
22,912 KB |
| testcase_16 | AC | 10 ms
22,528 KB |
| testcase_17 | AC | 20 ms
23,168 KB |
| testcase_18 | AC | 22 ms
23,040 KB |
| testcase_19 | AC | 22 ms
23,040 KB |
| testcase_20 | AC | 22 ms
23,040 KB |
| testcase_21 | AC | 23 ms
23,168 KB |
| testcase_22 | AC | 23 ms
23,168 KB |
| testcase_23 | AC | 22 ms
23,040 KB |
| testcase_24 | AC | 22 ms
23,168 KB |
コンパイルメッセージ
; compiling file "/home/judge/data/code/Main.lisp" (written 15 SEP 2024 01:12:33 AM): ; wrote /home/judge/data/code/Main.fasl ; compilation finished in 0:00:00.057
ソースコード
;; -*- coding: utf-8 -*-
(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)) (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*))
(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 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
;;;
(defun main ()
(let* ((n (read))
(as (make-array n :element-type 'uint31))
(res 0))
(dotimes (i n)
(setf (aref as i) (read-fixnum)))
(let ((prev nil))
(dotimes (i n)
(cond ((zerop i)
(incf res)
(setq prev t))
(prev
(if (= (aref as (- i 1))
(aref as i))
(incf res)
(setq prev nil)))
(t
(incf res)
(setq prev t))))
(println res))))
#-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 "C:/msys64/usr/bin/cat.exe" '("/dev/clipboard") :output out)))
#+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)))