System has four kinds of optional features, according to the letter " Y" draw a circle with points by letter " S" and draw a triangle with different colors filled by letter " Z" and draw a rectangle filled with different colors by " q" key to exit.

图形变换程序设计.txt

• We are an exchange download platform that only provides communication channels. The downloaded content comes from the internet. Except for download issues, please Google on your own.
• The downloaded content is provided for members to upload. If it unintentionally infringes on your copyright, please contact us.
• Please use Winrar for decompression tools
• If download fail, Try it againg or Feedback to us.
• If downloaded content did not match the introduction, Feedback to us，Confirm and will be refund.
• Before downloading, you can inquire through the uploaded person information

Nothing．