Dashboard Questions Topics Companies Sheets

Tree

Topic

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

236

Problems

Easy

148

Medium

Hard

Difficulty

All236 Easy41 Medium148 Hard47

Title	Solve	Difficulty	Companies	Topics
94. Binary Tree Inorder Traversal	Solve	Easy	Adobe+13	Binary Tree Depth-First Search+2
100. Same Tree	Solve	Easy	Amazon+5	Binary Tree Breadth-First Search+2
101. Symmetric Tree	Solve	Easy	Adobe+7	Binary Tree Breadth-First Search+2
104. Maximum Depth of Binary Tree	Solve	Easy	Amazon+7	Binary Tree Breadth-First Search+2
108. Convert Sorted Array to Binary Search Tree	Solve	Easy	Amazon+4	Array Binary Search Tree+3
110. Balanced Binary Tree	Solve	Easy	Adobe+4	Binary Tree Depth-First Search+1
111. Minimum Depth of Binary Tree	Solve	Easy	Acko+15	Binary Tree Breadth-First Search+2
112. Path Sum	Solve	Easy	Amazon+4	Binary Tree Breadth-First Search+2
144. Binary Tree Preorder Traversal	Solve	Easy	Adobe+2	Binary Tree Depth-First Search+2
145. Binary Tree Postorder Traversal	Solve	Easy	Facebook+1	Binary Tree Depth-First Search+2
222. Count Complete Tree Nodes	Solve	Easy	Amazon+2	Binary Search Binary Tree+2
226. Invert Binary Tree	Solve	Easy	Amazon+5	Binary Tree Breadth-First Search+2
257. Binary Tree Paths	Solve	Easy	Amazon+4	Backtracking Binary Tree+3
270. Closest Binary Search Tree Value	Solve	Easy	Facebook	Binary Search Binary Search Tree+3
404. Sum of Left Leaves	Solve	Easy	Adobe+6	Binary Tree Breadth-First Search+2
501. Find Mode in Binary Search Tree	Solve	Easy	Adobe+1	Binary Search Tree Binary Tree+2
530. Minimum Absolute Difference in BST	Solve	Easy	Bloomberg+3	Binary Search Tree Binary Tree+3
543. Diameter of Binary Tree	Solve	Easy	Amazon+5	Binary Tree Depth-First Search+1
559. Maximum Depth of N-ary Tree	Solve	Easy	Microsoft	Breadth-First Search 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
589. N-ary Tree Preorder Traversal	Solve	Easy	Google	Depth-First Search Stack+1
590. N-ary Tree Postorder Traversal	Solve	Easy	Amazon	Depth-First Search Stack+1
617. Merge Two Binary Trees	Solve	Easy	Amazon+3	Binary Tree Breadth-First Search+2
637. Average of Levels in Binary Tree	Solve	Easy	Amazon+2	Binary Tree Breadth-First Search+2
653. Two Sum IV - Input is a BST	Solve	Easy	Amazon+1	Binary Search Tree Binary Tree+5
671. Second Minimum Node In a Binary Tree	Solve	Easy	LinkedIn	Binary Tree Depth-First Search+1
700. Search in a Binary Search Tree	Solve	Easy	Amazon	Binary Search Tree Binary Tree+1
703. Kth Largest Element in a Stream	Solve	Easy	Adobe+4	Binary Search Tree Binary Tree+4
783. Minimum Distance Between BST Nodes	Solve	Easy	Bloomberg+3	Binary Search Tree Binary Tree+3
872. Leaf-Similar Trees	Solve	Easy	Google	Binary Tree Depth-First Search+1
897. Increasing Order Search Tree	Solve	Easy	Facebook	Binary Search Tree Binary Tree+3
938. Range Sum of BST	Solve	Easy	Amazon+3	Binary Search Tree Binary Tree+2
965. Univalued Binary Tree	Solve	Easy	Google	Binary Tree Breadth-First Search+2
993. Cousins in Binary Tree	Solve	Easy	Amazon+2	Binary Tree Breadth-First Search+2
1022. Sum of Root To Leaf Binary Numbers	Solve	Easy	Amazon+2	Binary Tree Depth-First Search+1
1379. Find a Corresponding Node of a Binary Tree in a Clone of That Tree	Solve	Easy	Amazon	Binary Tree Breadth-First Search+2
1469. Find All The Lonely Nodes	Solve	Easy	Microsoft	Binary Tree Breadth-First Search+2
2236. Root Equals Sum of Children	Solve	Easy	Amazon+2	Binary Tree Tree
2331. Evaluate Boolean Binary Tree	Solve	Easy	Apple+1	Binary Tree Depth-First Search+1
2689. Extract Kth Character From The Rope Tree	Solve	Easy	Google	Binary Tree Depth-First Search+1