The school has n computer, in order to facilitate data transmission, we will connect them with data line. Two meter The computer is connected to the data line refers to the connection between them. Due to the different location of the computer, so the calculation of different two The cost of connection machine is often different. Of course, if any two computers are connected with the data line, the cost will be enormous. In order to save costs, We use indirect means of data transmission, namely a computer can indirectly through several computers (as a transit). Connect with another computer. You are now responsible for connecting the computer, your task is to take the minimum cost so that any two computers are not connected ( The tube is directly or indirectly), finally you have to explain whether the plan only.

BestWriting.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．