結果
| 問題 |
No.935 う し た ぷ に き あ く ん 笑 ビ － ム
|
| コンテスト | |
| ユーザー |
 sansaqua
|
| 提出日時 | 2019-11-30 00:19:22 |
| 言語 | Common Lisp (sbcl 2.5.0) |
| 結果 |
AC
|
| 実行時間 | 51 ms / 2,000 ms |
| コード長 | 6,891 bytes |
| コンパイル時間 | 230 ms |
| コンパイル使用メモリ | 38,784 KB |
| 実行使用メモリ | 22,912 KB |
| 最終ジャッジ日時 | 2024-09-14 05:57:15 |
| 合計ジャッジ時間 | 3,249 ms |
|
ジャッジサーバーID （参考情報） |
judge3 / judge6 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 58 |
コンパイルメッセージ
; compiling file "/home/judge/data/code/Main.lisp" (written 14 SEP 2024 05:57:12 AM): ; file: /home/judge/data/code/Main.lisp ; in: DEFUN MAIN ; (COERCE (READ-LINE) 'SIMPLE-BASE-STRING) ; ; note: unable to ; optimize ; due to type uncertainty: ; The first argument is a (OR LIST (AND (NOT SIMPLE-BASE-STRING) VECTOR) ; SB-KERNEL:EXTENDED-SEQUENCE), not a VECTOR. ; ; note: unable to ; optimize ; due to type uncertainty: ; The second argument is a (OR LIST (AND (NOT SIMPLE-BASE-STRING) VECTOR) ; SB-KERNEL:EXTENDED-SEQUENCE), not a (SIMPLE-ARRAY ; * (*)). ; ; note: unable to ; optimize ; due to type uncertainty: ; The second argument is a (OR LIST (AND (NOT SIMPLE-BASE-STRING) VECTOR) ; SB-KERNEL:EXTENDED-SEQUENCE), not a (SIMPLE-ARRAY ; CHARACTER ; (*)). ; (DOTIMES (_ Q) ; (LET ((K (READ-FIXNUM))) ; (PRINTLN (SOLVE N S AS K)))) ; --> BLOCK LET TAGBODY UNLESS IF >= ; ==> ; 1 ; ; note: forced to do GENERIC-< (cost 10) ; unable to do inline fixnum comparison (cost 4) because: ; The first argument is a UNSIGNED-BYTE, not a FIXNUM. ; The second argument is a INTEGER, not a FIXNUM. ; --> BLOCK LET TAGBODY PSETQ PROGN SETQ THE 1+ ; ==> ; 1 ; ; note: forced to do GENERIC-+ (cost 10) ; unable to do inline fixnum arithmetic (cost 1) because: ; The first argument is a UNSIGNED-BYTE, not a FIXNUM. ; The result is a (VALUES (INTEGER 1) &OPTIONAL), not a (VALUES FIXNUM ; &OPTIONAL). ; unable to do inline fixnum arithmetic (cost 2) because: ; The first argument is a UNSIGNED-BYTE, not a FIXNUM. ; The result is a (VALUES (INTEGE
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
;; enclose the form with VALUES to avoid being captured by LOOP macro
#\# #\> (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))
;; 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 solve (n s as k)
(declare #.OPT
(uint31 n k)
(simple-base-string s)
((simple-array uint31 (*)) as))
(let ((res 0))
(declare (uint62 res))
(labels ((ng (deleted r num sum)
(declare (uint62 deleted r num sum))
(let ((sum (- sum (aref as deleted)))
(num (if (char= #\E (aref s deleted))
(- num 1)
num)))
(if (<= sum k)
(ok (+ deleted 1) r num sum)
(ng (+ deleted 1) r num sum))))
(ok (l next num sum)
(declare (uint62 l next num sum))
(maxf res num)
(unless (= next n)
(let ((sum (+ sum (aref as next)))
(num (if (char= #\E (aref s next))
(+ num 1)
num)))
(if (<= sum k)
(ok l (+ next 1) num sum)
(ng l (+ next 1) num sum))))))
(ok 0 0 0 0)
res)))
(defun main ()
(declare #.OPT)
(let* ((n (read))
(s (coerce (read-line) 'simple-base-string))
(as (make-array n :element-type 'uint31)))
(declare (uint31 n))
(dotimes (i n)
(setf (aref as i) (read-fixnum)))
(let* ((q (read)))
(with-buffered-stdout
(dotimes (_ q)
(let ((k (read-fixnum)))
(println (solve n s as k))))))))
#-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)))
#+swank
(5am:test :sample
(5am:is (io-equal "10
EEEEEEEEEE
1 2 3 4 5 6 7 8 9 10
10
1 2 3 4 5 6 7 8 9 10
"
"1
1
2
2
2
3
3
3
3
4
"))
(5am:is (io-equal "10
EEWWEWEEEE
1 1 1 2 3 3 2 1 2 5
5
3 21 100 1 6
"
"2
7
7
1
3
")))