Tag

Tree Problems

General tree problems including binary, n-ary, and BST variants. (11 problems)

Easy · 4

Maximum Depth of Binary TreeeasySame TreeeasyInvert Binary TreeeasySubtree of Another Treeeasy

Medium · 5

Binary Tree Level Order TraversalmediumConstruct Binary Tree from Preorder and Inorder TraversalmediumValidate Binary Search TreemediumKth Smallest Element in a BSTmediumLowest Common Ancestor of a Binary Search Treemedium

Hard · 2

Binary Tree Maximum Path SumhardSerialize and Deserialize Binary Treehard