DSA sheet · Topic
Trees interview problems
Binary trees and binary search trees: recursion, depth-first and breadth-first traversal, and passing information up and down.
- 18 problems
- Java + Python
- Free, no sign-up
08 Trees Binary trees and binary search trees: recursion, depth-first and breadth-first traversal, and passing information up and down. 0 / 18
- 62 Binary Tree Inorder Traversal Easy Has notes Practice Binary Tree Inorder Traversal on LeetCode (opens in a new tab)
- 63 Maximum Depth of Binary Tree Easy Has notes Practice Maximum Depth of Binary Tree on LeetCode (opens in a new tab)
- 64 Invert Binary Tree Easy Has notes Practice Invert Binary Tree on LeetCode (opens in a new tab)
- 65 Same Tree Easy Has notes Practice Same Tree on LeetCode (opens in a new tab)
- 66 Symmetric Tree Easy Has notes Practice Symmetric Tree on LeetCode (opens in a new tab)
- 67 Diameter of Binary Tree Easy Has notes Practice Diameter of Binary Tree on LeetCode (opens in a new tab)
- 68 Balanced Binary Tree Easy Has notes Practice Balanced Binary Tree on LeetCode (opens in a new tab)
- 69 Subtree of Another Tree Easy Has notes Practice Subtree of Another Tree on LeetCode (opens in a new tab)
- 70 Binary Tree Level Order Traversal Medium Has notes Practice Binary Tree Level Order Traversal on LeetCode (opens in a new tab)
- 71 Binary Tree Right Side View Medium Has notes Practice Binary Tree Right Side View on LeetCode (opens in a new tab)
- 72 Binary Tree Zigzag Level Order Traversal Medium Has notes Practice Binary Tree Zigzag Level Order Traversal on LeetCode (opens in a new tab)
- 73 Validate Binary Search Tree Medium Has notes Practice Validate Binary Search Tree on LeetCode (opens in a new tab)
- 74 Kth Smallest Element in a BST Medium Has notes Practice Kth Smallest Element in a BST on LeetCode (opens in a new tab)
- 75 Lowest Common Ancestor of a Binary Search Tree Medium Has notes Practice Lowest Common Ancestor of a Binary Search Tree on LeetCode (opens in a new tab)
- 76 Lowest Common Ancestor of a Binary Tree Medium Has notes Practice Lowest Common Ancestor of a Binary Tree on LeetCode (opens in a new tab)
- 77 Construct Binary Tree from Preorder and Inorder Traversal Medium Has notes Practice Construct Binary Tree from Preorder and Inorder Traversal on LeetCode (opens in a new tab)
- 78 Binary Tree Maximum Path Sum Hard Has notes Practice Binary Tree Maximum Path Sum on LeetCode (opens in a new tab)
- 79 Serialize and Deserialize Binary Tree Hard Has notes Practice Serialize and Deserialize Binary Tree on LeetCode (opens in a new tab)
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