Submission #4021940


Source Code Expand

(eval-when (:compile-toplevel :load-toplevel :execute)
  (defparameter OPT
    #+swank '(optimize (speed 3) (safety 2))
    #-swank '(optimize (speed 3) (safety 0) (debug 0)))
  #+swank (progn (ql:quickload '(:cl-debug-print :fiveam))
                 (shadow :run)
                 (use-package :fiveam)))
#+swank (cl-syntax:use-syntax cl-debug-print:debug-print-syntax)

;; BEGIN_INSERTED_CONTENTS
(defmacro buffered-read-line (&optional (buffer-size 30) (in '*standard-input*) (terminate-char #\Space))
  "Note that the returned string will be reused."
  (let ((buffer (gensym))
        (character (gensym))
        (idx (gensym)))
    `(let ((,buffer (load-time-value (make-string ,buffer-size
                                                  :element-type 'base-char))))
       (declare (simple-base-string ,buffer))
       (loop for ,character of-type base-char =
                #-swank (code-char (read-byte ,in nil #\Newline))
                #+swank (read-char ,in nil #\Newline)
             for ,idx from 0
             until (char= ,character #\Newline)
             do (setf (schar ,buffer ,idx) ,character)
             finally (setf (schar ,buffer ,idx) ,terminate-char)
                     (return (values ,buffer ,idx))))))

(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)

(defmacro println (obj &optional (stream '*standard-output*))
  `(let ((*read-default-float-format* 'double-float))
     (prog1 (princ ,obj ,stream) (terpri ,stream))))

;; Hauptteil

(defconstant +5mpd+ (* 12 24)) ; number of 5 minutes per day

(declaim (inline write-time))
(defun write-time (mpd)
  (multiple-value-bind (quot rem) (floor (* 5 mpd) 60)
    (format t "~2,'0D~2,'0D" quot rem)))

(declaim (inline parse-time))
(defun parse-time (str start round-func)
  (labels ((to-digit (pos) (- (char-code (schar str pos)) 48)))
    (declare (ftype (function * (values (integer 0 9) &optional)) to-digit)
             (inline to-digit))
    (+ (* #.(* 10 12) (to-digit start))
       (* 12 (to-digit (+ start 1)))
       (* 2 (to-digit (+ start 2)))
       (funcall round-func (to-digit (+ start 3)) 5))))

(defun main ()
  (declare #.OPT)
  (let* ((n (read))
         (timeline (make-array (1+ +5mpd+) :element-type 'int16 :initial-element 0)))
    (dotimes (i n)
      (let ((s (buffered-read-line 10)))
        (incf (aref timeline (parse-time s 0 #'floor)) 1)
        (decf (aref timeline (parse-time s 5 #'ceiling)) 1)))
    (loop for i from 1 below (length timeline)
          do (incf (aref timeline i) (aref timeline (- i 1))))
    (labels ((rec1 (prev-end)
               (loop for i from prev-end below (length timeline)
                     when (< 0 (aref timeline i))
                     do (write-time i)
                        (write-char #\-)
                        (rec2 i)
                     finally (return-from main)))
             (rec2 (src)
               (loop for i from src below (length timeline)
                     when (zerop (aref timeline i))
                     do (write-time i)
                        (terpri)
                        (rec1 i)
                     finally (return-from main))))
      (rec1 0))))

#-swank(main)

Submission Info

Submission Time
Task D - 感雨時刻の整理
User sansaqua
Language Common Lisp (SBCL 1.1.14)
Score 100
Code Size 3503 Byte
Status AC
Exec Time 311 ms
Memory 28516 KB

Judge Result

Set Name all
Score / Max Score 100 / 100
Status
AC × 48
Set Name Test Cases
all 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, cho_cho_chokudai.txt, chokudai_ga_cho.txt, test_01.txt, test_02.txt, test_03.txt, test_04.txt, test_05.txt, test_06.txt, test_07.txt, test_08.txt, test_09.txt, test_10.txt, test_11.txt, test_12.txt, test_13.txt, test_14.txt, test_15.txt, test_16.txt, test_17.txt, test_18.txt, test_19.txt, test_20.txt, test_21.txt, test_22.txt, test_23.txt, test_24.txt, test_25.txt, test_26.txt, test_27.txt, test_28.txt, test_29.txt, test_30.txt, test_31.txt, test_32.txt, test_33.txt, test_34.txt, test_35.txt, test_36.txt, test_37.txt, test_38.txt, test_39.txt, test_40.txt, test_41.txt, test_42.txt, test_43.txt
Case Name Status Exec Time Memory
00_sample_01.txt AC 311 ms 28516 KB
00_sample_02.txt AC 86 ms 16868 KB
00_sample_03.txt AC 85 ms 16864 KB
cho_cho_chokudai.txt AC 94 ms 16868 KB
chokudai_ga_cho.txt AC 97 ms 16864 KB
test_01.txt AC 86 ms 16868 KB
test_02.txt AC 86 ms 16868 KB
test_03.txt AC 86 ms 16872 KB
test_04.txt AC 86 ms 16864 KB
test_05.txt AC 86 ms 16868 KB
test_06.txt AC 85 ms 16868 KB
test_07.txt AC 85 ms 16864 KB
test_08.txt AC 85 ms 16872 KB
test_09.txt AC 85 ms 16864 KB
test_10.txt AC 85 ms 16868 KB
test_11.txt AC 86 ms 16872 KB
test_12.txt AC 85 ms 16864 KB
test_13.txt AC 85 ms 16868 KB
test_14.txt AC 86 ms 16864 KB
test_15.txt AC 86 ms 16868 KB
test_16.txt AC 86 ms 16864 KB
test_17.txt AC 86 ms 16872 KB
test_18.txt AC 85 ms 16864 KB
test_19.txt AC 85 ms 16872 KB
test_20.txt AC 86 ms 16868 KB
test_21.txt AC 96 ms 16872 KB
test_22.txt AC 95 ms 16868 KB
test_23.txt AC 95 ms 16868 KB
test_24.txt AC 95 ms 16864 KB
test_25.txt AC 95 ms 16864 KB
test_26.txt AC 94 ms 16872 KB
test_27.txt AC 95 ms 16868 KB
test_28.txt AC 98 ms 16868 KB
test_29.txt AC 86 ms 16868 KB
test_30.txt AC 86 ms 16872 KB
test_31.txt AC 87 ms 16864 KB
test_32.txt AC 85 ms 16868 KB
test_33.txt AC 92 ms 16864 KB
test_34.txt AC 85 ms 16868 KB
test_35.txt AC 85 ms 16872 KB
test_36.txt AC 95 ms 16868 KB
test_37.txt AC 95 ms 16868 KB
test_38.txt AC 95 ms 16864 KB
test_39.txt AC 95 ms 16864 KB
test_40.txt AC 95 ms 16868 KB
test_41.txt AC 95 ms 16868 KB
test_42.txt AC 95 ms 16868 KB
test_43.txt AC 95 ms 16868 KB