DSA Day-23

Hello people!!! I hope you are doing well and have revised the previous topics that we have covered till now.

Also, Have you tried the self-evaluation test that I prepared for all of you based on the topics we’ve covered till now??? Well, if not, you should try it now because it’ll give you a complete and real overview of real placement questions level. So, go ahead… try again

DSA (Revision + Self Evaluation)

Now, in the previous article.. we started ‘trees’ and covered the very basic concepts of the data structure.

Today, we will be covering few basic questions… and let me tell you.. these questions are Must Do for any placement test/interview.

1. Inorder, Preorder, Postorder traversal of a tree:

Tree Traversals (Inorder, Preorder and Postorder) - GeeksforGeeks

2. Level Order Traversal

Level Order Tree Traversal - GeeksforGeeks

3. Validate binary trees

Validate Binary Search Tree - LeetCode

4. Maximum Depth of a binary tree

Maximum Depth of Binary Tree - LeetCode

5. Symmetric Tree

Symmetric Tree - LeetCode

So, try solving these questions along with writing their time and space complexity.

Also, do solve these questions very honestly because these are very very important questions.