data structure and leetcode classes

I am looking for a freelancer who can assist me with my preparation on data structures and leetcode classes. Specifically, I need help will leetcode

My focus is on a general area of problems and I would like guidance in this regard.

I require assistance with more than 4 classes in total.

Ideal skills and experience for this job include:
- Strong knowledge and understanding of linked lists
- Proficiency in data structures and algorithms
- Experience with leetcode problems and solutions
- Ability to provide guidance and support in a general area of focus
- Excellent problem-solving and communication skills