結果
| 問題 | No.1103 Directed Length Sum |
| ユーザー |
 sansaqua
|
| 提出日時 | 2020-07-04 00:24:02 |
| 言語 | Common Lisp (sbcl 2.3.8) |
| 結果 |
AC
|
| 実行時間 | 705 ms / 3,000 ms |
| コード長 | 7,441 bytes |
| コンパイル時間 | 1,549 ms |
| コンパイル使用メモリ | 50,424 KB |
| 実行使用メモリ | 142,360 KB |
| 最終ジャッジ日時 | 2023-10-17 06:38:56 |
| 合計ジャッジ時間 | 8,764 ms |
|
ジャッジサーバーID （参考情報） |
judge11 / judge12 |
| 外部呼び出し有り |
（要ログイン）
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 | 21 ms
32,812 KB |
| testcase_01 | AC | 22 ms
32,812 KB |
| testcase_02 | AC | 308 ms
142,360 KB |
| testcase_03 | AC | 186 ms
64,536 KB |
| testcase_04 | AC | 385 ms
52,248 KB |
| testcase_05 | AC | 705 ms
64,528 KB |
| testcase_06 | AC | 235 ms
46,100 KB |
| testcase_07 | AC | 50 ms
35,860 KB |
| testcase_08 | AC | 69 ms
37,908 KB |
| testcase_09 | AC | 39 ms
35,848 KB |
| testcase_10 | AC | 96 ms
39,956 KB |
| testcase_11 | AC | 437 ms
52,248 KB |
| testcase_12 | AC | 243 ms
46,100 KB |
| testcase_13 | AC | 101 ms
39,956 KB |
| testcase_14 | AC | 34 ms
35,784 KB |
| testcase_15 | AC | 172 ms
42,004 KB |
| testcase_16 | AC | 494 ms
56,344 KB |
| testcase_17 | AC | 512 ms
56,344 KB |
| testcase_18 | AC | 94 ms
39,956 KB |
| testcase_19 | AC | 441 ms
54,296 KB |
| testcase_20 | AC | 43 ms
35,828 KB |
| testcase_21 | AC | 68 ms
37,904 KB |
| testcase_22 | AC | 359 ms
50,200 KB |
| testcase_23 | AC | 186 ms
44,052 KB |
コンパイルメッセージ
; compiling file "/home/judge/data/code/Main.lisp" (written 16 OCT 2023 09:38:46 PM): ; wrote /home/judge/data/code/Main.fasl ; compilation finished in 0:00:00.100
ソースコード
#-swank
(unless (member :child-sbcl *features*)
(quit
:unix-status
(process-exit-code
(run-program *runtime-pathname*
`("--control-stack-size" "128MB"
"--noinform" "--disable-ldb" "--lose-on-corruption" "--end-runtime-options"
"--eval" "(push :child-sbcl *features*)"
"--script" ,(namestring *load-pathname*))
:output t :error t :input t))))
(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"
(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 #\-))
(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))))))))
;;;
;;; 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)))))
(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
;;;
(define-mod-operations +mod+)
(defun main ()
(declare #.OPT)
(let* ((n (read))
(graph (make-array n :element-type 'list :initial-element nil))
(dp (make-array n :element-type 'uint31 :initial-element 0))
(sizes (make-array n :element-type 'uint31 :initial-element 0))
(marked (make-array n :element-type 'bit :initial-element 0)))
(dotimes (i (- n 1))
(let ((a (- (read-fixnum) 1))
(b (- (read-fixnum) 1)))
(setf (aref marked b) 1)
(push b (aref graph a))))
(let ((root (position 0 marked)))
(sb-int:named-let dfs ((v root))
(let ((size 1))
(declare (uint31 size))
(dolist (child (aref graph v))
(dfs child)
(incf size (aref sizes child)))
(setf (aref sizes v) size)))
(sb-int:named-let dfs ((v root))
(let ((value 0))
(declare (uint62 value))
(dolist (child (aref graph v))
(dfs child)
(incf value (aref sizes child))
(incf value (aref dp child)))
(setf (aref dp v) (mod value +mod+))))
(println (mod (loop for x across dp sum x of-type uint62) +mod+)))))
#-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
1 2
1 3
"
"2
"))
(it.bese.fiveam:is
(common-lisp-user::io-equal "5
2 1
1 3
1 4
3 5
"
"13
")))