Help start learning trees for competitive programming

general
1

I know trees data structure theory and its implementation in c but unable to solve competitive programming question.
I don’t know hot to implement the tree data structure in c++ using 2d vectors.

2

Did you learn the linked list implementation?

3

Start with leetcode easy, it slowly builds up from basic to good level problems.

4

Yes

5

You need to learn Adjacency Matrix and Adjacency List representation of Trees and graphs.

6

Thank you

1 Like