結果
| 問題 | No.885 アマリクエリ |
| ユーザー |
 sansaqua
|
| 提出日時 | 2019-09-13 23:09:21 |
| 言語 | Common Lisp (sbcl 2.3.8) |
| 結果 |
AC
|
| 実行時間 | 284 ms / 2,000 ms |
| コード長 | 11,779 bytes |
| コンパイル時間 | 172 ms |
| コンパイル使用メモリ | 60,744 KB |
| 実行使用メモリ | 33,920 KB |
| 最終ジャッジ日時 | 2024-07-04 10:23:20 |
| 合計ジャッジ時間 | 2,853 ms |
|
ジャッジサーバーID （参考情報） |
judge5 / judge2 |
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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 | 284 ms
30,848 KB |
| testcase_01 | AC | 126 ms
32,512 KB |
| testcase_02 | AC | 110 ms
33,920 KB |
| testcase_03 | AC | 82 ms
30,848 KB |
| testcase_04 | AC | 83 ms
30,976 KB |
| testcase_05 | AC | 57 ms
30,976 KB |
| testcase_06 | AC | 40 ms
30,848 KB |
| testcase_07 | AC | 40 ms
29,952 KB |
| testcase_08 | AC | 49 ms
30,592 KB |
| testcase_09 | AC | 144 ms
32,768 KB |
| testcase_10 | AC | 17 ms
29,568 KB |
| testcase_11 | AC | 18 ms
29,696 KB |
| testcase_12 | AC | 17 ms
29,568 KB |
| testcase_13 | AC | 18 ms
29,824 KB |
| testcase_14 | AC | 18 ms
29,696 KB |
| testcase_15 | AC | 18 ms
29,696 KB |
| testcase_16 | AC | 17 ms
29,696 KB |
| testcase_17 | AC | 18 ms
29,824 KB |
| testcase_18 | AC | 18 ms
29,824 KB |
| testcase_19 | AC | 17 ms
29,568 KB |
| testcase_20 | AC | 17 ms
29,440 KB |
| testcase_21 | AC | 17 ms
29,568 KB |
コンパイルメッセージ
; compiling file "/home/judge/data/code/Main.lisp" (written 04 JUL 2024 10:23:17 AM):
; file: /home/judge/data/code/Main.lisp
; in: SB-C:DEFTRANSFORM ARRAY-ELEMENT-TYPE
; (SB-C:DEFTRANSFORM ARRAY-ELEMENT-TYPE
; ((ARRAY))
; (LET ((TYPE (SB-C::LVAR-TYPE ARRAY)))
; (FLET ((ELEMENT-TYPE #
; #))
; (COND (#) (# #) (# #) (T #)))))
;
; caught STYLE-WARNING:
; Overwriting #<SB-C::TRANSFORM FUNCTION {100033B4E3}>
;
; compilation unit finished
; caught 1 STYLE-WARNING condition
; wrote /home/judge/data/code/Main.fasl
; compilation finished in 0:00:00.122
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
;; 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)))))
;;;
;;; ARRAY-ELEMENT-TYPE is not constant-folded on SBCL version earlier than
;;; 1.5.0. See
;;; https://github.com/sbcl/sbcl/commit/9f0d12e7ab961828931d01c0b2a76a5885ad35d2
;;;
(eval-when (:compile-toplevel :load-toplevel :execute)
(sb-c:deftransform array-element-type ((array))
(let ((type (sb-c::lvar-type array)))
(flet ((element-type (type)
(and (sb-c::array-type-p type)
(sb-int:neq (sb-kernel::array-type-specialized-element-type type) sb-kernel:*wild-type*)
(sb-kernel:type-specifier (sb-kernel::array-type-specialized-element-type type)))))
(cond ((let ((type (element-type type)))
(and type
`',type)))
((sb-kernel:union-type-p type)
(let (result)
(loop for type in (sb-kernel:union-type-types type)
for et = (element-type type)
unless (and et
(if result
(equal result et)
(setf result et)))
do (sb-c::give-up-ir1-transform))
`',result))
((sb-kernel:intersection-type-p type)
(loop for type in (sb-kernel:intersection-type-types type)
for et = (element-type type)
when et
return `',et
finally (sb-c::give-up-ir1-transform)))
(t
(sb-c::give-up-ir1-transform)))))))
;; On SBCL version earlier than 1.5.6 this type deriver is necessary for
;; MAKE-ARRAY to propagate the element type of a multi-dimensional array. It is
;; a dead copy of the commit
;; https://github.com/sbcl/sbcl/commit/c84daa0791f4d4ed03469fc23a1d1bc2aadacda2
(eval-when (:compile-toplevel :load-toplevel :execute)
(sb-c:defoptimizer (sb-c::make-array-header* sb-c::derive-type) ((&rest inits))
(let* ((data-position #.(sb-vm::slot-offset
(find 'sb-vm::data (sb-vm:primitive-object-slots
(find 'array sb-vm:*primitive-objects*
:key 'sb-vm:primitive-object-name))
:key 'sb-vm::slot-name)))
(data (nth data-position inits))
(type (sb-c::lvar-type data)))
(when (sb-kernel:array-type-p type)
(sb-kernel:make-array-type '*
:element-type (sb-kernel:array-type-element-type type)
:specialized-element-type (sb-kernel:array-type-specialized-element-type type))))))
(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))))))))
;;;
;;; Disjoint sparse table on arbitrary semigroup
;;;
;;; Reference:
;;; https://discuss.codechef.com/questions/117696/tutorial-disjoint-sparse-table
;;; http://noshi91.hatenablog.com/entry/2018/05/08/183946 (Japanese)
;;; http://drken1215.hatenablog.com/entry/2018/09/08/162600 (Japanese)
;; NOTE: This constructor is slow on SBCL version earlier than 1.5.6 as the type
;; propagation of MAKE-ARRAY doesn't work. The following files are required to
;; enable the optimization.
;; version < 1.5.0: array-element-type.lisp, make-array-header.lisp
;; version < 1.5.6: make-array-header.lisp
(declaim (inline make-disjoint-sparse-table))
(defun make-disjoint-sparse-table (vector binop)
"BINOP := binary operator (comprising a semigroup)"
(let* ((n (length vector))
(height (integer-length (- n 1)))
(table (make-array (list height n) :element-type (array-element-type vector))))
(dotimes (j n)
(setf (aref table 0 j) (aref vector j)))
(do ((i 1 (+ i 1)))
((>= i height))
(let* ((width/2 (ash 1 i))
(width (* width/2 2)))
(do ((j 0 (+ j width)))
((>= j n))
(let ((mid (min (+ j width/2) n)))
;; fill the first half
(setf (aref table i (- mid 1))
(aref vector (- mid 1)))
(do ((k (- mid 2) (- k 1)))
((< k j))
(setf (aref table i k)
(funcall binop (aref vector k) (aref table i (+ k 1)))))
(when (>= mid n)
(return))
;; fill the second half
(setf (aref table i mid)
(aref vector mid))
(let ((end (min n (+ mid width/2))))
(do ((k (+ mid 1) (+ k 1)))
((>= k end))
(setf (aref table i k)
(funcall binop (aref table i (- k 1)) (aref vector k)))))))))
table))
(declaim (inline dst-query))
(defun dst-query (table binop left right &optional identity)
"Queries the interval [LEFT, RIGHT). Returns IDENTITY for a null interval [x,
x)."
(declare ((integer 0 #.most-positive-fixnum) left right)
((simple-array * (* *)) table))
(when (>= left right)
(return-from dst-query identity))
(setq right (- right 1)) ;; change to closed interval
(if (= left right)
(aref table 0 left)
(let ((h (- (integer-length (logxor left right)) 1)))
(funcall binop
(aref table h left)
(aref table h right)))))
(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))
(as (make-array n :element-type 'uint32)))
(dotimes (i n) (setf (aref as i) (read-fixnum)))
(let* ((q (read))
(xs (make-array 100000 :element-type 'uint32))
(deltas (make-array q :element-type 'uint62 :initial-element 0)))
(dotimes (i q) (setf (aref xs i) (read-fixnum)))
(let ((dtable (make-disjoint-sparse-table xs #'min)))
(declare ((simple-array uint32 (17 100000)) dtable))
(dotimes (i n)
(let ((value (aref as i))
(prev-pos 0))
(declare (fixnum value prev-pos))
(loop
(unless (<= (dst-query dtable #'min prev-pos q #xffffffff) value)
(return))
(let* ((new-pos (sb-int:named-let bisect ((ng prev-pos) (ok q))
(declare (int32 ng ok))
(if (<= (- ok ng) 1)
(- ok 1)
(let* ((mid (ash (+ ng ok) -1))
(min (dst-query dtable #'min prev-pos mid #xffffffff)))
(if (<= min value)
(bisect ng mid)
(bisect mid ok))))))
(new-value (mod value (aref xs new-pos))))
(incf (aref deltas new-pos) (- value new-value))
(setq prev-pos new-pos
value new-value))))))
(let ((sum (reduce #'+ as)))
(declare (fixnum sum))
(with-buffered-stdout
(dotimes (i q)
(decf sum (aref deltas i))
(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)))