Dashboard Questions Topics Companies Sheets

Binary Tree

Topic

176 coding problems covering Binary Tree concepts. Master this topic and improve your problem-solving skills.

176

Problems

Easy

122

Medium

Hard

Difficulty

All176 Easy38 Medium122 Hard16

Title	Solve	Difficulty	Companies	Topics
437. Path Sum III	Solve	Medium	DoorDash+3	Binary Tree Depth-First Search+1
449. Serialize and Deserialize BST	Solve	Medium	Amazon+2	Binary Search Tree Binary Tree+5
450. Delete Node in a BST	Solve	Medium	Amazon+4	Binary Search Tree Binary Tree+1
501. Find Mode in Binary Search Tree	Solve	Easy	Adobe+1	Binary Search Tree Binary Tree+2
508. Most Frequent Subtree Sum	Solve	Medium	Apple	Binary Tree Depth-First Search+2
510. Inorder Successor in BST II	Solve	Medium	Arista Networks+1	Binary Search Tree Binary Tree+1
513. Find Bottom Left Tree Value	Solve	Medium	Amazon+2	Binary Tree Breadth-First Search+2
515. Find Largest Value in Each Tree Row	Solve	Medium	Amazon+5	Binary Tree Breadth-First Search+2
530. Minimum Absolute Difference in BST	Solve	Easy	Bloomberg+3	Binary Search Tree Binary Tree+3
536. Construct Binary Tree from String	Solve	Medium	Facebook	Binary Tree Depth-First Search+3
538. Convert BST to Greater Tree	Solve	Medium	Amazon+2	Binary Search Tree Binary Tree+2
543. Diameter of Binary Tree	Solve	Easy	Amazon+5	Binary Tree Depth-First Search+1
545. Boundary of Binary Tree	Solve	Medium	Amazon+3	Binary Tree Depth-First Search+1
549. Binary Tree Longest Consecutive Sequence II	Solve	Medium	Google	Binary Tree Depth-First Search+1
563. Binary Tree Tilt	Solve	Easy	Indeed	Binary Tree Depth-First Search+1
572. Subtree of Another Tree	Solve	Easy	Amazon+3	Binary Tree Depth-First Search+3
606. Construct String from Binary Tree	Solve	Medium	Adobe+3	Binary Tree Depth-First Search+2
617. Merge Two Binary Trees	Solve	Easy	Amazon+3	Binary Tree Breadth-First Search+2
623. Add One Row to Tree	Solve	Medium	Amazon+2	Binary Tree Breadth-First Search+2
637. Average of Levels in Binary Tree	Solve	Easy	Amazon+2	Binary Tree Breadth-First Search+2
652. Find Duplicate Subtrees	Solve	Medium	Amazon+2	Binary Tree Depth-First Search+2
653. Two Sum IV - Input is a BST	Solve	Easy	Amazon+1	Binary Search Tree Binary Tree+5
654. Maximum Binary Tree	Solve	Medium	Amazon	Array Binary Tree+4
655. Print Binary Tree	Solve	Medium	Amazon+1	Binary Tree Breadth-First Search+2
662. Maximum Width of Binary Tree	Solve	Medium	Amazon+4	Binary Tree Breadth-First Search+2
663. Equal Tree Partition	Solve	Medium	Amazon	Binary Tree Depth-First Search+1
666. Path Sum IV	Solve	Medium	Alibaba+1	Array Binary Tree+3
669. Trim a Binary Search Tree	Solve	Medium	Amazon+3	Binary Search Tree Binary Tree+2
671. Second Minimum Node In a Binary Tree	Solve	Easy	LinkedIn	Binary Tree Depth-First Search+1
687. Longest Univalue Path	Solve	Medium	Amazon+1	Binary Tree Depth-First Search+1
700. Search in a Binary Search Tree	Solve	Easy	Amazon	Binary Search Tree Binary Tree+1
701. Insert into a Binary Search Tree	Solve	Medium	Amazon+2	Binary Search Tree Binary Tree+1
703. Kth Largest Element in a Stream	Solve	Easy	Adobe+4	Binary Search Tree Binary Tree+4
742. Closest Leaf in a Binary Tree	Solve	Medium	Facebook	Binary Tree Breadth-First Search+2
776. Split BST	Solve	Medium	Google	Binary Search Tree Binary Tree+2
783. Minimum Distance Between BST Nodes	Solve	Easy	Bloomberg+3	Binary Search Tree Binary Tree+3
814. Binary Tree Pruning	Solve	Medium	Apple+1	Binary Tree Depth-First Search+1
863. All Nodes Distance K in Binary Tree	Solve	Medium	Amazon+18	Binary Tree Breadth-First Search+3
865. Smallest Subtree with all the Deepest Nodes	Solve	Medium	Amazon+2	Binary Tree Breadth-First Search+3
872. Leaf-Similar Trees	Solve	Easy	Google	Binary Tree Depth-First Search+1
889. Construct Binary Tree from Preorder and Postorder Traversal	Solve	Medium	Amazon+1	Array Binary Tree+3
894. All Possible Full Binary Trees	Solve	Medium	Adobe+6	Binary Tree Dynamic Programming+3
897. Increasing Order Search Tree	Solve	Easy	Facebook	Binary Search Tree Binary Tree+3
919. Complete Binary Tree Inserter	Solve	Medium	Facebook+3	Binary Tree Breadth-First Search+2
938. Range Sum of BST	Solve	Easy	Amazon+3	Binary Search Tree Binary Tree+2
951. Flip Equivalent Binary Trees	Solve	Medium	Google	Binary Tree Depth-First Search+1
958. Check Completeness of a Binary Tree	Solve	Medium	Facebook	Binary Tree Breadth-First Search+1
965. Univalued Binary Tree	Solve	Easy	Google	Binary Tree Breadth-First Search+2
968. Binary Tree Cameras	Solve	Hard	Amazon+7	Binary Tree Depth-First Search+2
971. Flip Binary Tree To Match Preorder Traversal	Solve	Medium	Amazon	Binary Tree Depth-First Search+1