Problem set
Binary Trees questions
69 matching · 24 easy · 41 medium · 4 hard
- 94Binary Tree Inorder TraversalEasy
- 95Unique Binary Search Trees IIMedium
- 98Validate Binary Search TreeMedium
- 99Recover Binary Search TreeMedium
- 100Same TreeEasy
- 101Symmetric TreeEasy
- 102Binary Tree Level Order TraversalMedium
- 103Binary Tree Zigzag Level Order TraversalMedium
- 104Maximum Depth of Binary TreeEasy
- 105Construct Binary Tree from Preorder and Inorder TraversalMedium
- 106Construct Binary Tree from Inorder and Postorder TraversalMedium
- 107Binary Tree Level Order Traversal IIMedium
- 108Convert Sorted Array to Binary Search TreeEasy
- 110Balanced Binary TreeEasy
- 111Minimum Depth of Binary TreeEasy
- 112Path SumEasy
- 113Path Sum IIMedium
- 114Flatten Binary Tree to Linked ListMedium
- 116Populating Next Right Pointers in Each NodeMedium
- 117Populating Next Right Pointers in Each Node IIMedium
- 124Binary Tree Maximum Path SumHard
- 129Sum Root to Leaf NumbersMedium
- 144Binary Tree Preorder TraversalEasy
- 145Binary Tree Postorder TraversalEasy
- 170Binary Search Tree IteratorMedium
- 179Binary Tree Right Side ViewMedium
- 202Count Complete Tree NodesEasy
- 206Invert Binary TreeEasy
- 210Kth Smallest Element in a BSTMedium
- 215Lowest Common Ancestor of a Binary Search TreeMedium
- 216Lowest Common Ancestor of a Binary TreeMedium
- 230Binary Tree PathsEasy
- 240Closest Binary Search Tree ValueEasy
- 252Inorder Successor in BSTMedium
- 259Serialize and Deserialize Binary TreeHard
- 260Binary Tree Longest Consecutive SequenceMedium
- 284House Robber IIIMedium
- 305Find Leaves of Binary TreeMedium
- 333Sum of Left LeavesEasy
- 349N-ary Tree Level Order TraversalMedium
- 355Path Sum IIIMedium
- 392Find Bottom Left Tree ValueMedium
- 393Find Largest Value in Each Tree RowMedium
- 404Construct Binary Tree from StringMedium
- 410Diameter of Binary TreeEasy
- 411Boundary of Binary TreeMedium
- 417Binary Tree TiltEasy
- 420Subtree of Another TreeEasy
- 424N-ary Tree Preorder TraversalEasy
- 426Construct String from Binary TreeEasy
- 429Merge Two Binary TreesEasy
- 436Average of Levels in Binary TreeEasy
- 444Find Duplicate SubtreesMedium
- 446Maximum Binary TreeMedium
- 448Maximum Width of Binary TreeMedium
- 458Longest Univalue PathMedium
- 531All Nodes Distance K in Binary TreeMedium
- 532Smallest Subtree with all the Deepest NodesMedium
- 535Leaf-Similar TreesEasy
- 542Construct Binary Tree from Preorder and Postorder TraversalMedium
- 567Flip Equivalent Binary TreesMedium
- 570Check Completeness of a Binary TreeMedium
- 571Binary Tree CamerasHard
- 580Vertical Order Traversal of a Binary TreeHard
- 583Cousins in Binary TreeEasy
- 599Delete Nodes And Return ForestMedium
- 619Longest ZigZag Path in a Binary TreeMedium
- 625Count Good Nodes in Binary TreeMedium
- 636Lowest Common Ancestor of a Binary Tree IIIMedium