結果
問題 | No.1064 ∪∩∩ / Cup Cap Cap |
ユーザー |
|
提出日時 | 2020-05-29 21:37:24 |
言語 | Common Lisp (sbcl 2.5.0) |
結果 |
RE
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実行時間 | - |
コード長 | 4,611 bytes |
コンパイル時間 | 890 ms |
コンパイル使用メモリ | 42,028 KB |
実行使用メモリ | 34,344 KB |
最終ジャッジ日時 | 2024-11-06 02:51:08 |
合計ジャッジ時間 | 2,690 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 RE * 1 |
other | AC * 35 RE * 1 |
コンパイルメッセージ
; compiling file "/home/judge/data/code/Main.lisp" (written 06 NOV 2024 02:51:04 AM): ; wrote /home/judge/data/code/Main.fasl ; compilation finished in 0:00:00.136
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(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;;;(defconstant +eps+ 1d-9)(defun solve (a b c)(let* ((discr (- (* b b) (* 4 a c)))(sqrt (sqrt (float discr 1d0)))(res1 (/ (- (- b) sqrt) (* 2 a)))(res2 (/ (* -2 c) (+ b sqrt))))(cond ((< discr (- +eps+))(values nil nil))((<= discr +eps+)(values res1 res2))(t (values res1 res2)))))(defun main ()(let* ((a (read))(b (read))(c (read))(d (read)))(multiple-value-bind (x1 x2) (solve 2 (- a c) (- b d))(cond ((and (null x1) (null x2))(write-line "No"))((= x1 x2)(write-line "Yes"))(t (let* ((y1 (+ (* x1 x1) (* a x1) b))(y2 (+ (- (* x2 x2)) (* c x2) d))(slope (/ (- y2 y1) (- x2 x1)))(intercept (- y1 (* slope x1))))(format t "~F ~F~%" slope intercept)))))))#-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 ifthe 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 | pathnamenull: 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 "0 0 0 5""0.0000000000 2.5000000000"))(it.bese.fiveam:is(common-lisp-user::io-equal "0 0 0 0""Yes"))(it.bese.fiveam:is(common-lisp-user::io-equal "0 1 0 0""No"))(it.bese.fiveam:is(common-lisp-user::io-equal "79716 54835 73742 74932""76729.0000000000 64883.5000000000")))