search
HomeDatabaseMysql TutorialB. Amr and Pins (Codeforces Round #287 (div2))

Amr loves Geometry. One day he came up with a very interesting problem. Amr has a circle of radius r and center in point ( x ,? y ) . He wants the circle center to be in new position ( x ',? y ') . In one step Amr can put a pin to the bord

Amr loves Geometry. One day he came up with a very interesting problem.

Amr has a circle of radius r and center in point (x,?y). He wants the circle center to be in new position (x',?y').

In one step Amr can put a pin to the border of the circle in a certain point, then rotate the circle around that pin by any angle and finally remove the pin.

Help Amr to achieve his goal in minimum number of steps.

Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
amr是什么文件amr是什么文件Mar 10, 2021 pm 02:56 PM

amr是一个文件格式,存储AMR语音编码文件;很多手机允许用户存储短时间的AMR格式录音,而部分开源和商业软件有和其他格式转换的程序;但是AMR是一个语音格式,并未针对其他声音进行优化;普通文件扩展名是“.amr”。

php中的round是什么意思php中的round是什么意思Mar 10, 2023 am 10:04 AM

在php中,round的意思为“四舍五入”,是一个内置函数,作用是将浮点数转换为整数;该函数可以对浮点数进行四舍五入,并返回一个float类型的整数值,语法“round(number,precision,mode);”。

如何用PHP的round()函数进行除以四舍五入如何用PHP的round()函数进行除以四舍五入Mar 21, 2023 pm 04:32 PM

round() 函数是PHP数字格式化库中一个非常实用的函数,可以将浮点数四舍五入到指定的小数位数。但是,由于PHP的除法运算可能会出现无限小数或精度丢失的问题,因此对除数进行四舍五入也很必要。接下来,我们会详细讲解如何使用PHP的round()函数进行除以四舍五入。

MySQL中如何使用ROUND函数截取小数位数MySQL中如何使用ROUND函数截取小数位数Jul 13, 2023 pm 09:21 PM

MySQL中如何使用ROUND函数截取小数位数在MySQL中,可以使用ROUND函数来截取小数的位数。ROUND函数可以把一个数字四舍五入到指定的小数位数。下面将为您详细介绍ROUND函数的使用方法,并提供代码示例。语法:ROUND(X,D)X表示要四舍五入的数字,D表示要保留的小数位数。使用ROUND函数截取小数位数的示例:假设有一个表格名为produc

SQL语句中的AND运算符和OR运算符怎么用SQL语句中的AND运算符和OR运算符怎么用May 28, 2023 pm 04:34 PM

SQLAND&OR运算符AND和OR运算符用于基于一个以上的条件对记录进行过滤。AND和OR可在WHERE子语句中把两个或多个条件结合起来。如果第一个条件和第二个条件都成立,则AND运算符显示一条记录。如果第一个条件和第二个条件中只要有一个成立,则OR运算符显示一条记录。"Persons"表:LastNameFirstNameAddressCityAdamsJohnOxfordStreetLondonBushGeorgeFifthAvenueNewYorkCarter

PHP AMR转MP3的完整教程PHP AMR转MP3的完整教程Feb 28, 2024 pm 01:48 PM

在本文中,我们将提供一个完整的教程来演示如何使用PHP将AMR格式的音频文件转换为MP3格式。在这个教程中,我们将使用FFmpeg工具来实现这一转换过程,并将为你提供详细的步骤和代码示例。第一步:准备工作在开始之前,您需要确保已经安装了FFmpeg工具。您可以通过以下命令来检查是否已经安装FFmpeg:ffmpeg-version如果您还没有安装FFmpe

ubuntu下安装transition_amr_parser教程。ubuntu下安装transition_amr_parser教程。Mar 16, 2024 pm 02:46 PM

在Ubuntu操作系统上安装transition_amr_parser是一项常见的任务,该工具主要用于自然语言处理和语义解析。下面是一个经过优化的、原创的教程,详细介绍了如何在Ubuntu系统上安装transition_amr_parser。这个工具对于处理自然语言和语义分析非常有帮助,因此正确的安装步骤至关重要。通过本教程,您将学会如何轻松地在Ubuntu系统上配置transition_amr_parser,为您的项目提供更好的支持和功能。步骤1:安装依赖项在开始安装transition_am

php如何实现amr转成mp3php如何实现amr转成mp3Feb 09, 2023 am 09:36 AM

php实现amr转成mp3的方法:1、在服务器安装ffmpeg;2、使用“ffmpeg -i”指令来转换amr为mp3格式;3、在网页端使用HTML5的audio标签来播放mp3文件即可。

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
2 weeks agoBy尊渡假赌尊渡假赌尊渡假赌
Repo: How To Revive Teammates
1 months agoBy尊渡假赌尊渡假赌尊渡假赌
Hello Kitty Island Adventure: How To Get Giant Seeds
4 weeks agoBy尊渡假赌尊渡假赌尊渡假赌

Hot Tools

mPDF

mPDF

mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),

Safe Exam Browser

Safe Exam Browser

Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.

MinGW - Minimalist GNU for Windows

MinGW - Minimalist GNU for Windows

This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Linux new version

SublimeText3 Linux new version

SublimeText3 Linux latest version