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Problems with tag Tree

259 found, showing 30 to 60

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Boundary of Binary Tree ->

Medium, #545, 3 solutions

Build Binary Expression Tree From Infix Expression ->

Hard, #1597, 2 solutions

Change the Root of a Binary Tree ->

Medium, #1666, 2 solutions

Check Completeness of a Binary Tree ->

Medium, #958, 3 solutions

Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree ->

Medium, #1430, 2 solutions

Check If Two Expression Trees are Equivalent ->

Medium, #1612, 2 solutions

Choose Edges to Maximize Score in a Tree ->

Medium, #2378, 2 solutions

Clone Binary Tree With Random Pointer ->

Medium, #1485, 2 solutions

Clone N-ary Tree ->

Medium, #1490, 2 solutions

Closest Binary Search Tree Value II ->

Hard, #272, 2 solutions

Closest Binary Search Tree Value ->

Easy, #270, 3 solutions

Closest Leaf in a Binary Tree ->

Medium, #742, 3 solutions

Closest Node to Path in Tree ->

Hard, #2277, 2 solutions

Closest Nodes Queries in a Binary Search Tree ->

Medium, #2476, 2 solutions

Collect Coins in a Tree ->

Hard, #2603, 2 solutions

Complete Binary Tree Inserter ->

Medium, #919, 2 solutions

Construct Binary Search Tree from Preorder Traversal ->

Medium, #1008, 2 solutions

Construct Binary Tree from Inorder and Postorder Traversal ->

Medium, #106, 6 solutions

Construct Binary Tree from Preorder and Inorder Traversal ->

Medium, #105, 6 solutions

Construct Binary Tree from Preorder and Postorder Traversal ->

Medium, #889, 2 solutions

Construct Binary Tree from String ->

Medium, #536, 3 solutions

Construct Quad Tree ->

Medium, #427, 2 solutions

Subtree of Another Tree ->

Medium, #606, 5 solutions

Contiguous Array ->

Medium, #525, 3 solutions

Convert Binary Search Tree to Sorted Doubly Linked List ->

Medium, #426, 2 solutions

Convert BST to Greater Tree ->

Medium, #538, 4 solutions

Convert Sorted Array to Binary Search Tree ->

Easy, #108, 4 solutions

Convert Sorted List to Binary Search Tree ->

Medium, #109, 5 solutions

Correct a Binary Tree ->

Medium, #1660, 2 solutions

Count Complete Tree Nodes ->

Easy, #222, 4 solutions