Hello, Taeseung. Thank you for your valuable course review that will help you decide to take the course. I will give you a supplementary explanation of the course so that you can utilize it effectively. This course consists of a theory lecture + solution methods for recommended problems (representative examples), so please refer to it for your study. If you apply the basics you learned from this course to various problems, you will be able to solve many of the difficulties you will face when preparing for the coding test. There may be various opinions on one course depending on each person's situation or inclination. So, if you refer to the course review that Taeseung left, it will help you decide :) Thank you again.