結果

問題 No.2803 Bocching Star
コンテスト
ユーザー Lisp_Coder
提出日時 2024-07-21 01:10:05
言語 Common Lisp
(sbcl 2.5.0)
結果
RE  
実行時間 -
コード長 2,321 bytes
コンパイル時間 204 ms
コンパイル使用メモリ 38,064 KB
実行使用メモリ 38,428 KB
最終ジャッジ日時 2024-07-21 01:10:09
合計ジャッジ時間 3,284 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge1
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ファイルパターン 結果
sample RE * 3
other RE * 35
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 21 JUL 2024 01:10:05 AM):

; file: /home/judge/data/code/Main.lisp
; in: DEFUN MAIN
;     (MAP 'STRING #'WRITE-TO-STRING RESULT)
; 
; caught WARNING:
;   The function WRITE-TO-STRING called by MAP returns SIMPLE-STRING but CHARACTER is expected
;   See also:
;     The SBCL Manual, Node "Handling of Types"

; file: /home/judge/data/code/Main.lisp
; in: DEFUN MAIN
;     (SPLIT-SEQUENCE #\Newline INPUT)
; 
; caught STYLE-WARNING:
;   undefined function: COMMON-LISP-USER::SPLIT-SEQUENCE
; 
; compilation unit finished
;   Undefined function:
;     SPLIT-SEQUENCE
;   caught 1 WARNING condition
;   caught 1 STYLE-WARNING condition


; wrote /home/judge/data/code/Main.fasl
; compilation finished in 0:00:00.056

ソースコード

diff # 

#-swank
(unless (member :child-sbcl *features*)
  (quit
   :recklessly-p t
   :unix-status
   (process-exit-code
    (run-program *runtime-pathname*
                 `("--control-stack-size" "1024MB"
                   "--noinform" "--disable-ldb" "--lose-on-corruption" "--end-runtime-options"
                   "--eval" "(push :child-sbcl *features*)"
                   "--script" ,(namestring *load-pathname*))
                 :output t :error t :input t))))

(defun fast-read-lines ()
  (with-open-file (stream *standard-input*
                          :direction :input
                          :element-type '(unsigned-byte 8)
                          :external-format :utf-8)
    (let ((content (make-array 1024 :element-type 'character :adjustable t :fill-pointer 0)))
      (loop for line = (read-line stream nil)
            while line
            do (vector-push-extend line content)
               (vector-push-extend #\Newline content))
      (coerce content 'string))))

(defun fast-write-lines (lines)
  (with-open-file (stream *standard-output*
                          :direction :output
                          :element-type '(unsigned-byte 8)
                          :external-format :utf-8)
    (loop for line in lines
          do (write-string line stream)
             (write-char #\Newline stream))))

(defun main ()
  (let* ((input (fast-read-lines))
         (input-lines (split-sequence #\Newline input))
         (N (parse-integer (first input-lines)))
         (S (parse-integer (second input-lines)))
         (P (mapcar #'parse-integer (subseq input-lines 2 (1+ N))))
         (indexed-P (mapcar #'(lambda (x i) (list x (1+ i))) P (loop for i from 0 below N collect i)))
         (sorted-P (sort indexed-P #'< :key #'first))
         (result '()))
    (loop for i from 0 below N
          for (value index) = (nth i sorted-P)
          for left-diff = (if (> i 0) (- value (first (nth (1- i) sorted-P))) most-positive-fixnum)
          for right-diff = (if (< i (1- N)) (- (first (nth (1+ i) sorted-P)) value) most-positive-fixnum)
          for near = (min left-diff right-diff)
          when (> near S) do (push index result))
    (setf result (sort result #'<))
    (fast-write-lines (list (write-to-string (length result)) (map 'string #'write-to-string result)))))

(main)
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