結果
| 問題 |
No.3 ビットすごろく
|
| コンテスト | |
| ユーザー |
Common Lisp
|
| 提出日時 | 2024-11-04 12:20:54 |
| 言語 | Common Lisp (sbcl 2.5.0) |
| 結果 |
AC
|
| 実行時間 | 13 ms / 5,000 ms |
| コード長 | 1,491 bytes |
| コンパイル時間 | 407 ms |
| コンパイル使用メモリ | 35,504 KB |
| 実行使用メモリ | 32,316 KB |
| 最終ジャッジ日時 | 2024-11-04 12:20:57 |
| 合計ジャッジ時間 | 2,433 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 33 |
コンパイルメッセージ
; compiling file "/home/judge/data/code/Main.lisp" (written 04 NOV 2024 12:20:54 PM): ; wrote /home/judge/data/code/Main.fasl ; compilation finished in 0:00:00.012
ソースコード
(defun main (&rest argv)
(declare (ignorable argv))
(let* ((n (read))
(dist (make-array 10001 :initial-element 0))
(visited (make-array 10001 :initial-element nil))
(deque (make-array 400000 :element-type 'integer))
(front-index 200000)
(rear-index 200000))
(setf (aref visited 1) t)
(setf (aref deque rear-index) 1
rear-index (1+ rear-index))
(loop while (< front-index rear-index)
do (let* ((p 0)
(x (aref deque front-index))
(m x))
(incf front-index)
(loop while (/= m 0)
do (incf p (logand m 1))
(setf m (ash m -1)))
(let ((ip (+ x p))
(im (- x p)))
(when (and (<= ip n) (not (aref visited ip)))
(setf (aref visited ip) t
(aref dist ip) (1+ (aref dist x))
(aref deque rear-index) ip
rear-index (1+ rear-index)))
(when (and (> im 0) (not (aref visited im)))
(setf (aref visited im) t
(aref dist im) (1+ (aref dist x))
(aref deque rear-index) im
rear-index (1+ rear-index))))))
(format t "~d~%" (if (aref visited n)
(1+ (aref dist n))
-1))))
(main)
Common Lisp