結果
| 問題 |
No.1067 #いろいろな色 / Red and Blue and more various colors (Middle)
|
| コンテスト | |
| ユーザー |
 sansaqua
|
| 提出日時 | 2020-05-29 23:30:03 |
| 言語 | Common Lisp (sbcl 2.5.0) |
| 結果 |
AC
|
| 実行時間 | 1,102 ms / 2,000 ms |
| コード長 | 12,078 bytes |
| コンパイル時間 | 1,488 ms |
| コンパイル使用メモリ | 91,616 KB |
| 実行使用メモリ | 205,856 KB |
| 最終ジャッジ日時 | 2024-11-06 08:22:26 |
| 合計ジャッジ時間 | 10,081 ms |
|
ジャッジサーバーID （参考情報） |
judge5 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 25 |
コンパイルメッセージ
; compiling file "/home/judge/data/code/Main.lisp" (written 06 NOV 2024 08:22:15 AM): ; file: /home/judge/data/code/Main.lisp ; in: DEFUN MAIN ; (DESTRUCTURING-BIND ; (OP POS INDEX P) ; (CAR EVENTS) ; (ASSERT (EQ :ADD OP)) ; (SETQ STD POS)) ; ==> ; (LET* ((#:G33 (SB-C::CHECK-DS-LIST (CAR EVENTS) 4 4 '(OP POS INDEX P))) ; (OP (POP #:G33)) ; (POS (POP #:G33)) ; (INDEX (POP #:G33)) ; (P (POP #:G33))) ; (ASSERT (EQ :ADD OP)) ; (SETQ STD POS)) ; ; caught STYLE-WARNING: ; The variable INDEX is defined but never used. ; ; caught STYLE-WARNING: ; The variable P is defined but never used. ; ; compilation unit finished ; caught 2 STYLE-WARNING conditions ; wrote /home/judge/data/code/Main.fasl ; compilation finished in 0:00:00.328
ソースコード
(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)) `(values ,(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
(macrolet ((def (name fname)
`(define-modify-macro ,name (new-value) ,fname)))
(def minf min)
(def maxf max)
(def mulf *)
(def divf /)
(def iorf logior)
(def xorf logxor)
(def andf logand))
(declaim (inline bisect-left))
(defun bisect-left (target value &key (start 0) end (order #'<) (key #'identity))
"TARGET := vector | function (taking an integer argument)
ORDER := strict order
Analogue of lower_bound() of C++ or bisect_left() of Python: Returns the
smallest index (or input) i that fulfills TARGET[i] >= VALUE, where '>=' is the
complement of ORDER. In other words, this function returns the leftmost index at
which VALUE can be inserted with keeping the order. Therefore, TARGET must be
monotonically non-decreasing with respect to ORDER.
- This function returns END if VALUE exceeds TARGET[END-1].
- The range [START, END) is half-open.
- END must be explicitly specified if TARGET is function.
- KEY is applied to each element of TARGET before comparison."
(declare (function key order)
(integer start)
((or null integer) end))
(macrolet
((frob (accessor &optional declaration)
`(labels
((%bisect-left (ng ok)
;; TARGET[OK] >= VALUE always holds (assuming
;; TARGET[END] = +infinity)
,@(when declaration (list declaration))
(if (<= (- ok ng) 1)
ok
(let ((mid (ash (+ ng ok) -1)))
(if (funcall order (funcall key (,accessor target mid)) value)
(%bisect-left mid ok)
(%bisect-left ng mid))))))
(assert (<= start end))
(%bisect-left (- start 1) end))))
(etypecase target
(vector
(let ((end (or end (length target))))
(frob aref (declare ((integer -1 (#.most-positive-fixnum)) ng ok)))))
(function
(assert end () "Requires END argument if TARGET is a function.")
(frob funcall)))))
(declaim (inline bisect-right))
(defun bisect-right (target value &key (start 0) end (order #'<) (key #'identity))
"TARGET := vector | function (taking an integer argument)
ORDER := strict order
Analogue of upper_bound() of C++ or bisect_right() of Python: Returns the
smallest index (or input) i that fulfills TARGET[i] > VALUE. In other words,
this function returns the rightmost index at which VALUE can be inserted with
keeping the order. Therefore, TARGET must be monotonically non-decreasing with
respect to ORDER.
- This function returns END if VALUE >= TARGET[END-1].
- The range [START, END) is half-open.
- END must be explicitly specified if TARGET is function.
- KEY is applied to each element of TARGET before comparison."
(declare (function key order)
(integer start)
((or null integer) end))
(macrolet
((frob (accessor &optional declaration)
`(labels
((%bisect-right (ng ok)
;; TARGET[OK] > VALUE always holds (assuming
;; TARGET[END] = +infinity)
,@(when declaration (list declaration))
(if (<= (- ok ng) 1)
ok
(let ((mid (ash (+ ng ok) -1)))
(if (funcall order value (funcall key (,accessor target mid)))
(%bisect-right ng mid)
(%bisect-right mid ok))))))
(assert (<= start end))
(%bisect-right (- start 1) end))))
(etypecase target
(vector
(let ((end (or end (length target))))
(frob aref (declare ((integer -1 (#.array-total-size-limit)) ng ok)))))
(function
(assert end () "Requires END argument if TARGET is a function.")
(frob funcall)))))
;;;
;;; Arithmetic operations with static modulus
;;;
;; FIXME: Currently MOD* and MOD+ doesn't apply MOD when the number of
;; parameters is one.
(defmacro define-mod-operations (divisor)
`(progn
(defun mod* (&rest args)
(reduce (lambda (x y) (mod (* x y) ,divisor)) args))
(defun mod+ (&rest args)
(reduce (lambda (x y) (mod (+ x y) ,divisor)) args))
#+sbcl
(eval-when (:compile-toplevel :load-toplevel :execute)
(locally (declare (muffle-conditions warning))
(sb-c:define-source-transform mod* (&rest args)
(if (null args)
1
(reduce (lambda (x y) `(mod (* ,x ,y) ,',divisor)) args)))
(sb-c:define-source-transform mod+ (&rest args)
(if (null args)
0
(reduce (lambda (x y) `(mod (+ ,x ,y) ,',divisor)) args)))))
(define-modify-macro incfmod (delta)
(lambda (x y) (mod (+ x y) ,divisor)))
(define-modify-macro decfmod (delta)
(lambda (x y) (mod (- x y) ,divisor)))
(define-modify-macro mulfmod (multiplier)
(lambda (x y) (mod (* x y) ,divisor)))))
(declaim (ftype (function * (values fixnum &optional)) read-fixnum))
(defun read-fixnum (&optional (in *standard-input*))
"NOTE: cannot read -2^62"
(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 #\-))
(setq 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))))))))
(in-package :cl-user)
(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+ 998244353)
;;;
;;; Body
;;;
(define-mod-operations +mod+)
(defun main ()
(let* ((n (read))
(q (read))
(as (make-array n :element-type 'uint31 :initial-element 0))
events
(table (make-hash-table :test #'eq))
(dp (make-array (list (+ n 1) (+ n 1)) :element-type 'uint31 :initial-element 0))
(res (make-array q :element-type 'uint31 :initial-element 0)))
(dotimes (i n)
(setf (aref as i) (read-fixnum)))
(setq as (sort as #'>))
(setf (aref dp 0 0) 1)
(loop for x from 1 to n
do (setf (aref dp x 0)
(aref dp (- x 1) 0))
(loop for y from 1 to n
do (setf (aref dp x y)
(mod+ (mod* (aref dp (- x 1) (- y 1))
(- (aref as (- x 1)) 1))
(aref dp (- x 1) y)))))
(dotimes (i q)
(let ((l (read-fixnum))
(r (read-fixnum))
(p (read-fixnum)))
(push (list :del (- l 1) i p) events)
(push (list :add r i p) events)))
(setq events (sort events #'> :key #'second))
(let ((prods (make-array (+ n 1) :element-type 'uint31))
(std 1000000001))
(setf (aref prods n) 1)
(loop for i from (- n 1) downto 0
do (setf (aref prods i)
(mod* (aref as i) (aref prods (+ i 1)))))
#>prods
(loop while events
do (when (zerop (hash-table-count table))
(destructuring-bind (op pos index p) (car events)
(assert (eq :add op))
(setq std pos)))
#>std
#>(sb-int:%hash-table-alist table)
(progn
(loop while events
for (op pos index p) = (car events)
when (= pos std)
do (pop events)
(if (eq op :add)
(setf (gethash index table) p)
(remhash index table))
else do (return))
(let ((x (bisect-right as std :order #'>)))
(maphash (lambda (index p)
(let ((base (if (< x p) 0 (aref dp x (- x p)))))
(dbg std x index p base)
(xorf (aref res index)
(mod* base (aref prods x)))))
table))
(decf std)))
(map () #'println res))))
#-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 "powershell.exe" '("-Command" "Get-Clipboard") :output out :search t)))
#+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)))
;; To run: (5am:run! :sample)
#+swank
(it.bese.fiveam:test :sample
(it.bese.fiveam:is
(common-lisp-user::io-equal "3 4
3 4 5
1 5 0
1 5 1
1 5 2
1 5 3
"
"12
3
10
1
")))