...The experience of studying on this site will be better with my Chrome quiz plug-in. At present, this website can take you hand in hand to solve more than 200 algorithm problems, and it is constantly updated. All of them are based on force-related questions, covering all question types and skills. I have added this article at the beginning of each article. Links to topics that can be solved, you can go to the corresponding topic immediately after reading the article. I also organized all the topics explained on this site into a list of topics. My readers can be roughly divided into two categories: one kind is completely uninterested in algorithms, and belongs to the readers who learn algorithms for written exams, the other kind is readers who are interested in algorithms and can enjoy pure knowledge.