結果
| 問題 | No.885 アマリクエリ |
| ユーザー |
 sansaqua
|
| 提出日時 | 2019-09-14 10:39:51 |
| 言語 | Common Lisp (sbcl 2.3.8) |
| 結果 |
AC
|
| 実行時間 | 328 ms / 2,000 ms |
| コード長 | 10,761 bytes |
| コンパイル時間 | 884 ms |
| コンパイル使用メモリ | 48,128 KB |
| 実行使用メモリ | 48,768 KB |
| 最終ジャッジ日時 | 2024-07-05 17:38:26 |
| 合計ジャッジ時間 | 3,092 ms |
|
ジャッジサーバーID （参考情報） |
judge1 / judge4 |
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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 | 46 ms
23,936 KB |
| testcase_01 | AC | 300 ms
43,904 KB |
| testcase_02 | AC | 115 ms
31,232 KB |
| testcase_03 | AC | 64 ms
24,064 KB |
| testcase_04 | AC | 66 ms
24,064 KB |
| testcase_05 | AC | 49 ms
24,064 KB |
| testcase_06 | AC | 30 ms
24,064 KB |
| testcase_07 | AC | 48 ms
28,160 KB |
| testcase_08 | AC | 43 ms
24,192 KB |
| testcase_09 | AC | 328 ms
48,768 KB |
| testcase_10 | AC | 10 ms
23,552 KB |
| testcase_11 | AC | 10 ms
23,424 KB |
| testcase_12 | AC | 9 ms
23,552 KB |
| testcase_13 | AC | 12 ms
23,808 KB |
| testcase_14 | AC | 12 ms
23,808 KB |
| testcase_15 | AC | 13 ms
23,936 KB |
| testcase_16 | AC | 10 ms
23,552 KB |
| testcase_17 | AC | 11 ms
23,680 KB |
| testcase_18 | AC | 10 ms
23,680 KB |
| testcase_19 | AC | 10 ms
23,808 KB |
| testcase_20 | AC | 10 ms
23,552 KB |
| testcase_21 | AC | 10 ms
23,808 KB |
コンパイルメッセージ
; compiling file "/home/judge/data/code/Main.lisp" (written 05 JUL 2024 05:38:22 PM): ; wrote /home/judge/data/code/Main.fasl ; compilation finished in 0:00:00.251
ソースコード
;; -*- coding: utf-8 -*-
(eval-when (:compile-toplevel :load-toplevel :execute)
(sb-int:defconstant-eqx OPT
#+swank '(optimize (speed 3) (safety 2))
#-swank '(optimize (speed 3) (safety 0) (debug 0))
#'equal)
#+swank (ql:quickload '(:cl-debug-print :fiveam) :silent t)
#-swank (set-dispatch-macro-character
#\# #\> (lambda (s c p) (declare (ignore c p)) (read s nil nil t))))
#+swank (cl-syntax:use-syntax cl-debug-print:debug-print-syntax)
#-swank (disable-debugger) ; for CS Academy
;; BEGIN_INSERTED_CONTENTS
;;;
;;; Treap with explicit key
;;; Virtually it works like std::map, std::multiset, or java.util.TreeMap.
;;;
;; Tips to use this structure as multiset: Just define OP as (defun op (x y) (+
;; x y)) and insert each element by (treap-ensure-key <treap> <key> 1 :if-exists
;; #'1+) instead of TREAP-INSERT.
;; Treap with explicit key
(defstruct (treap (:constructor %make-treap (key priority value &key left right))
(:copier nil)
(:conc-name %treap-))
(key 0 :type fixnum)
(value 0 :type fixnum)
(priority 0 :type (integer 0 #.most-positive-fixnum))
(left nil :type (or null treap))
(right nil :type (or null treap)))
(declaim (inline treap-split)
(ftype (function * (values (or null treap) (or null treap) &optional)) treap-split))
(defun treap-split (treap key &key (order #'<))
"Destructively splits the TREAP with reference to KEY and returns two treaps,
the smaller sub-treap (< KEY) and the larger one (>= KEY)."
(declare (function order)
((or null treap) treap))
(labels ((recur (treap)
(if (null treap)
(values nil nil)
(if (funcall order (%treap-key treap) key)
(multiple-value-bind (left right)
(recur (%treap-right treap))
(setf (%treap-right treap) left)
(values treap right))
(multiple-value-bind (left right)
(recur (%treap-left treap))
(setf (%treap-left treap) right)
(values left treap))))))
(recur treap)))
(declaim (inline treap-insert))
(defun treap-insert (treap key value &key (order #'<))
"Destructively inserts KEY into TREAP and returns the resultant treap. You
cannot rely on the side effect. Use the returned value.
The behavior is undefined when duplicate keys are inserted."
(declare ((or null treap) treap)
(function order))
(labels ((recur (node treap)
(declare (treap node))
(unless treap (return-from recur node))
(if (> (%treap-priority node) (%treap-priority treap))
(progn
(setf (values (%treap-left node) (%treap-right node))
(treap-split treap (%treap-key node) :order order))
node)
(progn
(if (funcall order (%treap-key node) (%treap-key treap))
(setf (%treap-left treap)
(recur node (%treap-left treap)))
(setf (%treap-right treap)
(recur node (%treap-right treap))))
treap))))
(recur (%make-treap key (random most-positive-fixnum) value) treap)))
(declaim (inline treap-ensure-key))
(defun treap-ensure-key (treap key value &key (order #'<) if-exists)
"IF-EXISTS := nil | function
Ensures that TREAP contains KEY and assigns VALUE to it if IF-EXISTS is
false. If IF-EXISTS is function and TREAP already contains KEY, TREAP-ENSURE-KEY
updates the value by the function instead of overwriting it with VALUE."
(declare (function order)
((or null treap) treap))
(labels ((find-and-update (treap)
;; Updates the value slot and returns T if KEY exists
(unless treap (return-from find-and-update nil))
(cond ((funcall order key (%treap-key treap))
(when (find-and-update (%treap-left treap))
t))
((funcall order (%treap-key treap) key)
(when (find-and-update (%treap-right treap))
t))
(t (setf (%treap-value treap)
(if if-exists
(funcall if-exists (%treap-value treap))
value))
t))))
(if (find-and-update treap)
treap
(treap-insert treap key value :order order))))
(declaim (inline treap-map))
(defun treap-map (function treap)
"Successively applies FUNCTION to TREAP[0], ..., TREAP[SIZE-1]. FUNCTION must
take two arguments: KEY and VALUE."
(labels ((recur (treap)
(when treap
(recur (%treap-left treap))
(funcall function (%treap-key treap) (%treap-value treap))
(recur (%treap-right treap)))))
(recur treap)))
(defmethod print-object ((object treap) stream)
(print-unreadable-object (object stream :type t)
(let ((init t))
(treap-map (lambda (key value)
(if init
(setf init nil)
(write-char #\ stream))
(format stream "<~A . ~A>" key value))
object))))
(defmacro do-treap ((key-var value-var treap &optional result) &body body)
"Successively binds the key and value of INODE[0], ..., INODE[SIZE-1] to
KEY-VAR and VALUE-VAR and executes BODY."
`(block nil
(treap-map (lambda (,key-var ,value-var) ,@body) ,treap)
,result))
;; Should we do this with UNWIND-PROTECT?
(defmacro with-buffered-stdout (&body body)
"Buffers all outputs to *STANDARD-OUTPUT* in BODY and flushes them to
*STANDARD-OUTPUT* after BODY has been done (without error). Note that only
BASE-CHAR is allowed."
(let ((out (gensym)))
`(let ((,out (make-string-output-stream :element-type 'base-char)))
(let ((*standard-output* ,out))
,@body)
(write-string (get-output-stream-string ,out)))))
(declaim (ftype (function * (values fixnum &optional)) read-fixnum))
(defun read-fixnum (&optional (in *standard-input*))
(declare #.OPT)
(macrolet ((%read-byte ()
`(the (unsigned-byte 8)
#+swank (char-code (read-char in nil #\Nul))
#-swank (sb-impl::ansi-stream-read-byte in nil #.(char-code #\Nul) nil))))
(let* ((minus nil)
(result (loop (let ((byte (%read-byte)))
(cond ((<= 48 byte 57)
(return (- byte 48)))
((zerop byte) ; #\Nul
(error "Read EOF or #\Nul."))
((= byte #.(char-code #\-))
(setf minus t)))))))
(declare ((integer 0 #.most-positive-fixnum) result))
(loop
(let* ((byte (%read-byte)))
(if (<= 48 byte 57)
(setq result (+ (- byte 48)
(* 10 (the (integer 0 #.(floor most-positive-fixnum 10)) result))))
(return (if minus (- result) result))))))))
(defmacro dbg (&rest forms)
#+swank
(if (= (length forms) 1)
`(format *error-output* "~A => ~A~%" ',(car forms) ,(car forms))
`(format *error-output* "~A => ~A~%" ',forms `(,,@forms)))
#-swank (declare (ignore forms)))
(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)
(declaim (inline println))
(defun println (obj &optional (stream *standard-output*))
(let ((*read-default-float-format* 'double-float))
(prog1 (princ obj stream) (terpri stream))))
(defconstant +mod+ 1000000007)
;;;
;;; Body
;;;
(defun main ()
(declare #.OPT)
(let* ((n (read))
treap
(sum 0))
(declare (uint62 n sum))
(dotimes (i n)
(let ((a (read-fixnum)))
(incf sum a)
(setq treap (treap-ensure-key treap a 1 :if-exists #'1+))))
(let ((q (read)))
(declare (uint32 q))
(with-buffered-stdout
(dotimes (i q)
(let ((x (read-fixnum)))
(multiple-value-bind (left right) (treap-split treap x)
(setq treap left)
(do-treap (key count right)
(declare (uint31 key count))
(let ((new-key (mod key x)))
(declare (uint31 new-key))
(setq treap (treap-ensure-key treap new-key count :if-exists (lambda (i) (+ i count))))
(decf sum (* count (- key new-key)))))
(println sum))))))))
#-swank (main)
;;;
;;; Test and benchmark
;;;
#+swank
(defun io-equal (in-string out-string &key (function #'main) (test #'equal))
"Passes IN-STRING to *STANDARD-INPUT*, executes FUNCTION, and returns true if
the string output to *STANDARD-OUTPUT* is equal to OUT-STRING."
(labels ((ensure-last-lf (s)
(if (eql (uiop:last-char s) #\Linefeed)
s
(uiop:strcat s uiop:+lf+))))
(funcall test
(ensure-last-lf out-string)
(with-output-to-string (out)
(let ((*standard-output* out))
(with-input-from-string (*standard-input* (ensure-last-lf in-string))
(funcall function)))))))
#+swank
(defun get-clipbrd ()
(with-output-to-string (out)
(run-program "C:/msys64/usr/bin/cat.exe" '("/dev/clipboard") :output out)))
#+swank (defparameter *this-pathname* (uiop:current-lisp-file-pathname))
#+swank (defparameter *dat-pathname* (uiop:merge-pathnames* "test.dat" *this-pathname*))
#+swank
(defun run (&optional thing (out *standard-output*))
"THING := null | string | symbol | pathname
null: run #'MAIN using the text on clipboard as input.
string: run #'MAIN using the string as input.
symbol: alias of FIVEAM:RUN!.
pathname: run #'MAIN using the text file as input."
(let ((*standard-output* out))
(etypecase thing
(null
(with-input-from-string (*standard-input* (delete #\Return (get-clipbrd)))
(main)))
(string
(with-input-from-string (*standard-input* (delete #\Return thing))
(main)))
(symbol (5am:run! thing))
(pathname
(with-open-file (*standard-input* thing)
(main))))))
#+swank
(defun gen-dat ()
(uiop:with-output-file (out *dat-pathname* :if-exists :supersede)
(format out "")))
#+swank
(defun bench (&optional (out (make-broadcast-stream)))
(time (run *dat-pathname* out)))