Leetcode | Tree algorithm | Medium level | Unsolved | Leetcode premium

 143/219 problems solved. 40 medium level tree algorithms to solve

1485	Clone Binary Tree With Random Pointer

1676	Lowest Common Ancestor of a Binary Tree IV

1506	Find Root of N-Ary Tree

2415	Reverse Odd Levels of Binary Tree

427	Construct Quad Tree

1325	Delete Leaves With a Given Value

1522	Diameter of N-Ary Tree

1666	Change the Root of a Binary Tree

2196	Create Binary Tree From Descriptions

1612	Check If Two Expression Trees are Equivalent

1586	Binary Search Tree Iterator II

2445	Number of Nodes With Value One

1740	Find Distance in a Binary Tree

2641	Cousins in Binary Tree II

2764	is Array a Preorder of Some ‌Binary Tree

1457	Pseudo-Palindromic Paths in a Binary Tree

2477	Minimum Fuel Cost to Report to the Capital

1120	Maximum Average Subtree

1257	Smallest Common Region

1600	Throne Inheritance

1443	Minimum Time to Collect All Apples in a Tree

156	Binary Tree Upside Down

2471	Minimum Number of Operations to Sort a Binary Tree by Level

1644	Lowest Common Ancestor of a Binary Tree II

1273	Delete Tree Nodes

1245	Tree Diameter

510	Inorder Successor in BST II

2378	Choose Edges to Maximize Score in a Tree

2385	Amount of Time for Binary Tree to Be Infected

2368	Reachable Nodes With Restrictions

2673	Make Costs of Paths Equal in a Binary Tree

1609	Even Odd Tree

1519	Number of Nodes in the Sub-Tree With the Same Label

298	Binary Tree Longest Consecutive Sequence

549	Binary Tree Longest Consecutive Sequence II

558	Logical OR of Two Binary Grids Represented as Quad-Trees

2467	Most Profitable Path in a Tree

1339	Maximum Product of Splitted Binary Tree

2049	Count Nodes With the Highest Score

1993	Operations on Tree

1902	Depth of BST Given Insertion Order

333	Largest BST Subtree

2476	Closest Nodes Queries in a Binary Search Tree