結果
| 問題 |
No.1060 素敵な宝箱
|
| コンテスト | |
| ユーザー |
 sansaqua
|
| 提出日時 | 2020-05-22 23:08:41 |
| 言語 | Common Lisp (sbcl 2.5.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 6,870 bytes |
| コンパイル時間 | 1,502 ms |
| コンパイル使用メモリ | 71,040 KB |
| 実行使用メモリ | 23,040 KB |
| 最終ジャッジ日時 | 2024-10-05 20:35:54 |
| 合計ジャッジ時間 | 5,520 ms |
|
ジャッジサーバーID （参考情報） |
judge1 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 2 WA * 22 |
コンパイルメッセージ
; compiling file "/home/judge/data/code/Main.lisp" (written 05 OCT 2024 08:35:46 PM): ; wrote /home/judge/data/code/Main.fasl ; compilation finished in 0:00:00.190
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
(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+ 1000000007)
;;;
;;; Body
;;;
(defun main ()
(let* ((n (read))
(m (read))
(as (make-array (list n m) :element-type 'uint31 :initial-element 0))
(dists (make-array n :element-type 'uint62 :initial-element 0))
(ords (make-array n :element-type 'uint31 :initial-element 0)))
(dotimes (i n)
(setf (aref ords i) i)
(let ((dist 0))
(dotimes (j m)
(let ((a (read-fixnum)))
(incf dist (* a a))
(setf (aref as i j) a)))
(setf (aref dists i) dist)))
(setq ords (sort ords #'> :key (lambda (i) (aref dists i))))
(let ((xs (make-array m :element-type 'uint31 :initial-element 0))
(ys (make-array m :element-type 'uint31 :initial-element 0))
(used (make-array n :element-type 'bit :initial-element 0)))
(labels ((calc (vec)
(reduce #'+ vec :key (lambda (x) (* x x)))))
(dotimes (turn n)
#>xs
#>ys
(let ((max-i 0)
(max-value -1))
#>used
(dotimes (i n)
(when (zerop (aref used i))
(dotimes (j m)
(incf (aref xs j) (aref as i j)))
(let ((new-x-value (calc xs)))
(dotimes (j m)
(decf (aref xs j) (aref as i j)))
(dotimes (j m)
(incf (aref ys j) (aref as i j)))
(let ((new-y-value (calc ys)))
(dotimes (j m)
(decf (aref ys j) (aref as i j)))
(when (> new-x-value max-value)
(setq max-value new-x-value
max-i i))
(when (> new-y-value max-value)
(setq max-value new-y-value
max-i i))))))
(setf (aref used max-i) 1)
(if (evenp turn)
(dotimes (j m)
(incf (aref xs j) (aref as max-i j)))
(dotimes (j m)
(incf (aref ys j) (aref as max-i j))))))
(println (abs (- (calc xs) (calc ys))))))))
#-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 "4 3
1 2 0
2 0 1
1 1 0
0 0 1
"
"5
"))
(it.bese.fiveam:is
(common-lisp-user::io-equal "2 4
2 0 2 0
0 5 2 2
"
"25
"))
(it.bese.fiveam:is
(common-lisp-user::io-equal "4 3
0 0 0
0 0 0
0 0 0
0 0 0
"
"0
")))