In the remaining half a month, it is the month of frequent exams this semester, Xiaoyu has to take time out to review in order to avoid failing the course, and today due to the data structure exam, there is no time code, Xiaoyu feels extremely guilty in his heart.

However, Xiaoyu promised that in the chapters owed during this time, Xiaoyu will repay the !! twice during the summer vacation (to be continued......