PDC4S:\IT\DSA and Interview Preperation\[INTERVIEW ONLY MAAL] [EXCLUSIVE]\[APPLIED COURSE] Interview Preparation Course\Module 5 - Problem Solving\5. Problems on Trees

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1. Count number of nodes in the binary tree-studyfever.mp436,279 KB12/12/2021 3:34 AM
1.1. Count number of nodes in the binary tree.html650 KB12/12/2021 3:34 AM
10. count leaf nodes in a binary tree-studyfever.mp422,345 KB12/12/2021 3:34 AM
10.1. count leaf nodes in a binary tree.html628 KB12/12/2021 3:34 AM
11. Construct a binary tree from inorder and postorder traversals-studyfever.mp451,098 KB12/12/2021 3:34 AM
11.1. Construct a binary tree from inorder and postorder traversals.html649 KB12/12/2021 3:34 AM
12. Convert a given tree to its Sum Tree-studyfever.mp425,459 KB12/12/2021 3:34 AM
12.1. Convert a given tree to its Sum Tree.html637 KB12/12/2021 3:34 AM
13. Find the maximum sum leaf to root path in a Binary Tree-studyfever.mp428,441 KB12/12/2021 3:34 AM
13.1. Find the maximum sum leaf to root path in a Binary Tree.html462 KB12/12/2021 3:34 AM
14. Find Diameter of a Binary Tree-studyfever.mp448,272 KB12/12/2021 3:34 AM
14.1. Find Diameter of a Binary Tree.html635 KB12/12/2021 3:34 AM
15. Convert a given Binary Tree to Doubly Linked List-studyfever.mp440,462 KB12/12/2021 3:34 AM
15.1. Convert a given Binary Tree to Doubly Linked List.html629 KB12/12/2021 3:34 AM
16. Vertical Traversal of binary tree-studyfever.mp416,676 KB12/12/2021 3:34 AM
16.1. Vertical Traversal of binary tree.html635 KB12/12/2021 3:34 AM
17. Inorder Tree Traversal without recursion and without stack (Threaded binary tree)-studyfever.mp430,660 KB12/12/2021 3:34 AM
17.1. Inorder Tree Traversal without recursion and without stack (Threaded binary tree).html638 KB12/12/2021 3:34 AM
18. Serialize and deserialize of a binay tree-studyfever.mp444,120 KB12/12/2021 3:34 AM
18.1. Serialize and deserialize of a binay tree.html642 KB12/12/2021 3:34 AM
19. Boundary Traversal of a Binary Tree-studyfever.mp431,783 KB12/12/2021 3:34 AM
19.1. Boundary Traversal of a Binary Tree.html661 KB12/12/2021 3:34 AM
2. Check if two trees are identical or not-studyfever.mp425,315 KB12/12/2021 3:34 AM
2.1. Check if two trees are identical or not.html660 KB12/12/2021 3:34 AM
20. Merge Two binary trees [Leetcode]-studyfever.mp429,000 KB12/12/2021 3:34 AM
20.1. Merge Two binary trees [Leetcode].html634 KB12/12/2021 3:34 AM
21. Range Sum of Binary Search Tree [Leetcode]-studyfever.mp438,003 KB12/12/2021 3:34 AM
21.1. Range Sum of Binary Search Tree [Leetcode].html629 KB12/12/2021 3:34 AM
22. Trim a BInary Search Tree (Practice Problem).html298 KB12/12/2021 3:34 AM
23. Search in a Binary Search Tree [Leet code]-studyfever.mp435,100 KB12/12/2021 3:34 AM
23.1. Search in a Binary Search Tree [Leet code].html596 KB12/12/2021 3:34 AM
24. Print Right View of a Binary Tree.html335 KB12/12/2021 3:34 AM
25. Invert Binary Tree [Leetcode]-studyfever.mp431,072 KB12/12/2021 3:34 AM
25.1. Invert Binary Tree [Leetcode].html639 KB12/12/2021 3:34 AM
26. Given a binary tree find its maximum depth. [Leetcode]-studyfever.mp437,375 KB12/12/2021 3:34 AM
26.1. Given a binary tree find its maximum depth. [Leetcode].html596 KB12/12/2021 3:34 AM
27. Path Sum [Leetcode]-studyfever.mp430,762 KB12/12/2021 3:34 AM
27.1. Path Sum [Leetcode].html623 KB12/12/2021 3:34 AM
28. Leaf-Similar Trees.html487 KB12/12/2021 3:34 AM
29. Find the sum of all left leaves in a given binary tree [Leetcode]-studyfever.mp425,704 KB12/12/2021 3:34 AM
29.1. Find the sum of all left leaves in a given binary tree [Leetcode].html595 KB12/12/2021 3:34 AM
3. Level Order Tree Traversal-studyfever.mp446,429 KB12/12/2021 3:34 AM
3.1. Level Order Tree Traversal.html655 KB12/12/2021 3:34 AM
30. Given two binary trees write a function to check if they are the same or not [Leetcode]-studyfever.mp457,599 KB12/12/2021 3:34 AM
30.1. Given two binary trees write a function to check if they are the same or not [Leetcode].html632 KB12/12/2021 3:34 AM
31. All Elements in Two Binary Search Trees [Leetcode]-studyfever.mp462,866 KB12/12/2021 3:34 AM
31.1. All Elements in Two Binary Search Trees [Leetcode].html667 KB12/12/2021 3:34 AM
32. Maximum Binary Tree - Problem Statement [Leetcode]-studyfever.mp411,681 KB12/12/2021 3:34 AM
32.1. Maximum Binary Tree - Problem Statement [Leetcode].html596 KB12/12/2021 3:34 AM
33. Maximum Binay Tree - Explanation - [LeetCode]-studyfever.mp416,157 KB12/12/2021 3:34 AM
33.1. Maximum Binay Tree - Explanation - [LeetCode].html595 KB12/12/2021 3:34 AM
34. Maximum Binay Tree - Python Code - [LeetCode]-studyfever.mp48,851 KB12/12/2021 3:34 AM
34.1. Maximum Binay Tree - Python Code - [LeetCode].html595 KB12/12/2021 3:34 AM
35. Binary Tree Pruning - Problem Statement [Leetcode]-studyfever.mp49,238 KB12/12/2021 3:34 AM
35.1. Binary Tree Pruning - Problem Statement [Leetcode].html752 KB12/12/2021 3:34 AM
36. Binary Tree Pruning - Explanation - [Leetcode]-studyfever.mp410,543 KB12/12/2021 3:34 AM
36.1. Binary Tree Pruning - Explanation - [Leetcode].html723 KB12/12/2021 3:34 AM
37. Binary Tree Pruning - Python Code[Leetcode]-studyfever.mp411,077 KB12/12/2021 3:34 AM
37.1. Binary Tree Pruning - Python Code[Leetcode].html595 KB12/12/2021 3:34 AM
38. Validate Binary Search Tree - Problem Statement [Leetcode]-studyfever.mp411,085 KB12/12/2021 3:34 AM
38.1. Validate Binary Search Tree - Problem Statement [Leetcode].html596 KB12/12/2021 3:34 AM
39. Validate Binary Search Tree - Explanation[Part1] - [Leetcode]-studyfever.mp42,701 KB12/12/2021 3:34 AM
39.1. Validate Binary Search Tree - Explanation[Part1] - [Leetcode].html596 KB12/12/2021 3:34 AM
4. Print Level order traversal in spiral form-studyfever.mp475,772 KB12/12/2021 3:34 AM
4.1. Print Level order traversal in spiral form.html446 KB12/12/2021 3:34 AM
40. Validate Binary Search Tree - Explanation[Part2] - Leetcode-studyfever.mp415,604 KB12/12/2021 3:34 AM
40.1. Validate Binary Search Tree - Explanation[Part2] - Leetcode.html596 KB12/12/2021 3:34 AM
41. Validate Binary Search Tree - Python Code - [Leetcode]-studyfever.mp413,183 KB12/12/2021 3:34 AM
41.1. Validate Binary Search Tree - Python Code - [Leetcode].html626 KB12/12/2021 3:34 AM
42. Validate Binary Search Tree - Iterative Approach - [Leetcode]-studyfever.mp412,839 KB12/12/2021 3:34 AM
42.1. Validate Binary Search Tree - Iterative Approach - [Leetcode].html626 KB12/12/2021 3:34 AM
43. Binary Tree Zigzag Level Order Traversal - Problem Statement [Leetcode]-studyfever.mp48,163 KB12/12/2021 3:34 AM
43.1. Binary Tree Zigzag Level Order Traversal - Problem Statement [Leetcode].html625 KB12/12/2021 3:34 AM
44. Binary Tree Zigzag Traversal - Explanation [Leetcode]-studyfever.mp410,586 KB12/12/2021 3:34 AM
44.1. Binary Tree Zigzag Traversal - Explanation [Leetcode].html434 KB12/12/2021 3:34 AM
45. Binary Tree Zigzag Traversal - Python code [Leetcode]-studyfever.mp423,617 KB12/12/2021 3:34 AM
45.1. Binary Tree Zigzag Traversal - Python code [Leetcode].html625 KB12/12/2021 3:34 AM
46. Populating Next Right Pointers in Each Node - Problem Statement [Leetcode]-studyfever.mp413,198 KB12/12/2021 3:34 AM
46.1. Populating Next Right Pointers in Each Node - Problem Statement [Leetcode].html676 KB12/12/2021 3:34 AM
47. Populating Next Right Pointers in Each Node - Explanation [Leetcode]-studyfever.mp416,563 KB12/12/2021 3:34 AM
47.1. Populating Next Right Pointers in Each Node - Explanation [Leetcode].html885 KB12/12/2021 3:34 AM
48. Populating Next Right Pointers in Each Node - Python code [Leetcode]-studyfever.mp410,215 KB12/12/2021 3:34 AM
48.1. Populating Next Right Pointers in Each Node - Python code [Leetcode].html669 KB12/12/2021 3:34 AM
49. Binary Tree Right Side View - Problem Statement [Leetcode]-studyfever.mp47,073 KB12/12/2021 3:34 AM
49.1. Binary Tree Right Side View - Problem Statement [Leetcode].html616 KB12/12/2021 3:34 AM
5. Convert a Binary Tree into its Mirror Tree-studyfever.mp427,492 KB12/12/2021 3:34 AM
5.1. Convert a Binary Tree into its Mirror Tree.html496 KB12/12/2021 3:34 AM
50. Binary Tree Right Side View - Explanation [Leetcode]-studyfever.mp412,537 KB12/12/2021 3:34 AM
50.1. Binary Tree Right Side View - Explanation [Leetcode].html629 KB12/12/2021 3:34 AM
51. Binary Tree Right Side View - Python Code [Leetcode]-studyfever.mp418,864 KB12/12/2021 3:34 AM
51.1. Binary Tree Right Side View - Python Code [Leetcode].html616 KB12/12/2021 3:34 AM
52. Kth Smallest Element in a BST - Problem Statement [Leetcode]-studyfever.mp413,853 KB12/12/2021 3:34 AM
52.1. Kth Smallest Element in a BST - Problem Statement [Leetcode].html596 KB12/12/2021 3:34 AM
53. Kth Smallest Element in a BST - Approach 1 [Leetcode]-studyfever.mp413,332 KB12/12/2021 3:34 AM
53.1. Kth Smallest Element in a BST - Approach 1 [Leetcode].html596 KB12/12/2021 3:34 AM
54. Kth Smallest Element in a BST - Approach 1 (python code) [Leetcode]-studyfever.mp413,798 KB12/12/2021 3:34 AM
54.1. Kth Smallest Element in a BST - Approach 1 (python code) [Leetcode].html629 KB12/12/2021 3:34 AM
55. Kth Smallest Element in a BST - Approach 2 [Leetcode]-studyfever.mp44,245 KB12/12/2021 3:34 AM
55.1. Kth Smallest Element in a BST - Approach 2 [Leetcode].html626 KB12/12/2021 3:34 AM
56. Kth Smallest Element in a BST - Approach 3[Leetcode]-studyfever.mp420,421 KB12/12/2021 3:34 AM
56.1. Kth Smallest Element in a BST - Approach 3[Leetcode].html626 KB12/12/2021 3:34 AM
6. Print Ancestors of a given node in Binary Tree-studyfever.mp437,994 KB12/12/2021 3:34 AM
6.1. Print Ancestors of a given node in Binary Tree.html646 KB12/12/2021 3:34 AM
7. Find Lowest Common Ancestor in a Binary Search Tree-studyfever.mp455,512 KB12/12/2021 3:34 AM
7.1. Find Lowest Common Ancestor in a Binary Search Tree.html649 KB12/12/2021 3:34 AM
8. Children sum property in a binary tree-studyfever.mp422,650 KB12/12/2021 3:34 AM
8.1. Children sum property in a binary tree.html645 KB12/12/2021 3:34 AM
9. Print Lowest Common Ancestor in a Binary Tree-studyfever.mp447,299 KB12/12/2021 3:34 AM
9.1. Print Lowest Common Ancestor in a Binary Tree.html652 KB12/12/2021 3:34 AM