2010.02.02: I don't want to write an introduction to the article right now. I'll add it later.
2010.02.08: Going home to celebrate the New Year, updated after February 22
2010.02.23: I'm back. I wrote three chapters today and will upload them tomorrow.
2010.02.25: It's not very convenient to access the Internet recently, so I'll upload the six chapters I've written first. Others will be updated from time to time.
2010.02.25: The outline has been basically determined. It is NP, 1VS5. Those who are not comfortable with this are not allowed to enter.
2010.09.02: I no longer have the passion to write, this book is completely boring. Looking back, I found that the writing was really bad.