Organize how to study & practice algorithm

Study at least two these per day.

1. Follow this flow: https://www.techinterviewhandbook.org/algorithms/study-cheatsheet/

2. Leetcode practice: At least 1-2 problems at a day. https://leetcode.com/study-plan/algorithm

3. Watch codeit video lessons to make sure i understand the fundamental knowledge (cuz the videos explain in a very easy way for beginners)