結果

問題 No.1764 Square
ユーザー norioc
提出日時 2025-06-23 19:51:16
言語 Scheme
(Gauche-0.9.15)
結果
AC  
実行時間 91 ms / 2,000 ms
コード長 2,047 bytes
コンパイル時間 228 ms
コンパイル使用メモリ 7,972 KB
実行使用メモリ 23,680 KB
最終ジャッジ日時 2025-06-23 19:51:18
合計ジャッジ時間 1,778 ms
ジャッジサーバーID
(参考情報)
judge1 / judge3
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 5
権限があれば一括ダウンロードができます

ソースコード

diff #

(use scheme.list)
(use util.match)
(use srfi.13) ; string
(use srfi.42) ; list-ec

(define input read-line)

(define (ii)
  (string->number (read-line)))

(define (li)
  (let ((s (read-line)))
    (map string->number (string-split s " "))))

(define (prn . args)
  (for-each (lambda (i x)
              (when (> i 0)
                (display " "))
              (display x))
            (iota (length args))
            args)
  (newline))

(define int string->number)

(define-method min ((xs <sequence>))
  (apply min xs))

(define (minmax . xs)
  (values->list (apply min&max xs)))
(define-method minmax ((xs <sequence>))
  (values->list (apply min&max xs)))

(define (sum xs) (apply + xs))

(define (divmod a b)
  (values->list (div-and-mod a b)))

(define (1+ n) (+ n 1))

(define pow
  (case-lambda
   ((a b) (expt a b))
   ((a b m) (expt-mod a b m))))

(define (yn b)
  (prn (if b "Yes" "No")))

(define-macro (input! bindings . body)
  (let loop ((bs (reverse bindings))
             (res '()))
    (if (null? bs)
        `(let*-values ,res
           ,@body)
        (cond
         ((symbol? (car bs))
          (loop (cdr bs)
                (cons `((,(car bs)) (values (ii)))
                      res)))
         ((list? (car bs))
          (loop (cdr bs)
                (cons `(,(car bs) (apply values (li)))
                      res)))
         (else
          'error)))))

#;
(define-macro (clet1 pat expr . body)
  `(receive ,pat (apply values ,expr)
     ,@body))

(define mlet1 match-let1)

(use data.queue)

(define (make-q xs)
  (rlet1 q (make-queue)
    (dolist (x xs)
      (enqueue! q x))))


(input! (K)
  (let ((qs (list (make-q '(A E))
                  (make-q '(B))
                  (make-q '(C))
                  (make-q '(D)))))
    (dotimes (i K)
      (let* ((a (mod i 4))
             (b (mod (1+ i) 4))
             (aq (list-ref qs a))
             (bq (list-ref qs b)))
        (let ((x (dequeue! aq)))
          (enqueue! bq x))))

    (dolist (q qs)
      (for-each display (queue->list q))
      (prn))))
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