結果

問題 No.1765 While Shining
ユーザー motoshiramotoshira
提出日時 2021-11-27 00:12:25
言語 Common Lisp
(sbcl 2.3.8)
結果
AC  
実行時間 95 ms / 2,000 ms
コード長 2,035 bytes
コンパイル時間 1,105 ms
コンパイル使用メモリ 32,012 KB
実行使用メモリ 37,752 KB
最終ジャッジ日時 2023-09-12 05:45:10
合計ジャッジ時間 3,561 ms
ジャッジサーバーID
（参考情報） 		judge14 / 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 9 ms
23,028 KB
testcase_01 AC 10 ms
25,116 KB
testcase_02 AC 10 ms
23,004 KB
testcase_03 AC 10 ms
23,092 KB
testcase_04 AC 10 ms
23,072 KB
testcase_05 AC 11 ms
29,196 KB
testcase_06 AC 10 ms
23,112 KB
testcase_07 AC 10 ms
23,072 KB
testcase_08 AC 10 ms
25,092 KB
testcase_09 AC 64 ms
33,624 KB
testcase_10 AC 91 ms
35,644 KB
testcase_11 AC 79 ms
29,984 KB
testcase_12 AC 84 ms
34,068 KB
testcase_13 AC 76 ms
29,968 KB
testcase_14 AC 93 ms
32,040 KB
testcase_15 AC 95 ms
35,760 KB
testcase_16 AC 93 ms
35,664 KB
testcase_17 AC 93 ms
34,076 KB
testcase_18 AC 94 ms
37,752 KB
testcase_19 AC 93 ms
32,100 KB
testcase_20 AC 93 ms
31,992 KB
testcase_21 AC 94 ms
32,012 KB
testcase_22 AC 93 ms
32,020 KB
testcase_23 AC 92 ms
32,012 KB
testcase_24 AC 90 ms
32,104 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 12 SEP 2023 05:45:05 AM):
; processing (IN-PACKAGE #:CL-USER)
; processing (DECLAIM (OPTIMIZE # ...))
; processing (DECLAIM (MUFFLE-CONDITIONS COMPILER-NOTE))
; processing (DISABLE-DEBUGGER)
; processing (PUSHNEW :INLINE-GENERIC-FUNCION ...)
; processing (IN-PACKAGE #:CL-USER)
; processing (DECLAIM (INLINE PRINTLN))
; processing (DEFUN PRINTLN ...)
; processing (DEFUN READ-INTO ...)
; processing (DEFUN MAIN ...)
; processing (MAIN)

; wrote /home/judge/data/code/Main.fasl
; compilation finished in 0:00:00.103

ソースコード

diff # 

(in-package #:cl-user)

;;------------------------------Preferences------------------------------

(eval-when (:compile-toplevel :load-toplevel :execute)
  #+swank (declaim (optimize (speed 3) (safety 2)))
  #-swank (declaim (optimize (speed 3) (safety 0) (debug 0)))
  #+swank (load "~/ghq/github.com/motoshira/atcoder-submission/ac-tools/act.lisp")
  #+swank (ql:quickload :prove)
  #-swank (declaim (sb-ext:muffle-conditions sb-ext:compiler-note))
  #-swank (sb-ext:disable-debugger)
  (pushnew :inline-generic-funcion *features*))

;;---------------------------------Body---------------------------------

(in-package #:cl-user)

(declaim (inline println))
(defun println (obj &optional (stream *standard-output*))
  (let ((*read-default-float-format* 'double-float))
    (prog1 obj
      (princ obj stream)
      (terpri stream))))

(defun read-into (count &optional (result-type 'list) (reader #'read))
  (coerce (loop :repeat count :collect (funcall reader)) result-type))

(defun main ()
  (let* ((n (read))
         (as (read-into n 'vector))
         (movable (make-array n :initial-element nil))
         (next (make-array n :initial-element (1- n))))
    (dotimes (i (1- n))
      (when (and (plusp i)
                 (= 1 (logxor (aref as i)
                              (aref as (1- i)))))
        (setf (aref movable i) t)))
    (loop :for i :from (- n 2) :downto 0
          :do (setf (aref next i)
                    (if (aref movable i)
                        (aref next (1+ i))
                        i)))
    (let ((res 0))
      (dotimes (i (1- n))
        (when (= 1 (aref as i))
          (let ((dist (aref next (1+ i))))
            (incf res (- dist i)))))
      (println res))))

#-swank (main)

#+swank
(defun run ()
  (let ((*standard-input*
          (make-string-input-stream
           (with-output-to-string (*standard-output*)
             (run-program
              (merge-pathnames "copy-or-paste" (truename "~/bin/"))
              '()
              :output *standard-output*)))))
    (main)))
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