Add: Trees questions

Author: siddhant-khisty

assignments/17-trees.md

@@ -2,6 +2,64 @@
 
 ## Easy
 
+- [Binary Tree Inorder Traversal](https://leetcode.com/problems/binary-tree-inorder-traversal/) `leetcode`
+- [Same Tree](https://leetcode.com/problems/same-tree/) `leetcode`
+- [Symmetric Tree](https://leetcode.com/problems/symmetric-tree/) `leetcode`
+- [Maximum Depth of Binary Tree](https://leetcode.com/problems/maximum-depth-of-binary-tree/) `leetcode`
+- [Convert Sorted Array to Binary Search Tree](https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree/) `leetcode`
+- [Balanced Binary Tree](https://leetcode.com/problems/balanced-binary-tree/) `leetcode`
+- [Minimum Depth of Binary Tree](https://leetcode.com/problems/minimum-depth-of-binary-tree/) `leetcode`
+- [Path Sum](https://leetcode.com/problems/path-sum/) `leetcode`
+- [Binary Tree Preorder Traversal](https://leetcode.com/problems/binary-tree-preorder-traversal/) `leetcode`
+- [Binary Tree Postorder Traversal](https://leetcode.com/problems/binary-tree-postorder-traversal/) `leetcode`
+- [Invert Binary Tree](https://leetcode.com/problems/invert-binary-tree/) `leetcode`
+- [Binary Tree Paths](https://leetcode.com/problems/binary-tree-paths/) `leetcode`
+- [Sum of Left Leaves](https://leetcode.com/problems/sum-of-left-leaves/) `leetcode`
+- [Find Mode in Binary Search Tree](https://leetcode.com/problems/find-mode-in-binary-search-tree/) `leetcode`
+- [Minimum Absolute Difference in BST](https://leetcode.com/problems/minimum-absolute-difference-in-bst/) `leetcode`
+- [Diameter of Binary Tree](https://leetcode.com/problems/diameter-of-binary-tree/) `leetcode`
+- [https://leetcode.com/problems/binary-tree-tilt/](https://leetcode.com/problems/binary-tree-tilt/) `leetcode`
+
 ## Medium
 
+- [Validate Binary Search Tree](https://leetcode.com/problems/validate-binary-search-tree/) `leetcode`
+- [Validate Binary Tree Nodes](https://leetcode.com/problems/validate-binary-tree-nodes/) `leetcode`
+- [Longest Univalue Path](https://leetcode.com/problems/longest-univalue-path/) `leetcode`
+- [Closest Nodes Queries in a Binary Search Tree](https://leetcode.com/problems/closest-nodes-queries-in-a-binary-search-tree/) `leetcode`
+- [Maximum Width of Binary Tree](https://leetcode.com/problems/maximum-width-of-binary-tree/) `leetcode`
+- [Linked List in Binary Tree](https://leetcode.com/problems/linked-list-in-binary-tree/) `leetcode`
+- [Operations on Tree](https://leetcode.com/problems/operations-on-tree/) `leetcode`
+- [Verify Preorder Serialization of a Binary Tree](https://leetcode.com/problems/verify-preorder-serialization-of-a-binary-tree/) `leetcode`
+- [Kth Largest Sum in a Binary Tree](https://leetcode.com/problems/kth-largest-sum-in-a-binary-tree/) `leetcode`
+- [Count Nodes With the Highest Score](https://leetcode.com/problems/count-nodes-with-the-highest-score/) `leetcode`
+- [Path Sum III](https://leetcode.com/problems/path-sum-iii/) `leetcode`
+- [Maximum Product of Splitted Binary Tree](https://leetcode.com/problems/maximum-product-of-splitted-binary-tree/) `leetcode`
+- [Most Profitable Path in a Tree](https://leetcode.com/problems/most-profitable-path-in-a-tree/) `leetcode`
+- [Step-By-Step Directions From a Binary Tree Node to Another](https://leetcode.com/problems/step-by-step-directions-from-a-binary-tree-node-to-another/) `leetcode`
+- [Logical OR of Two Binary Grids Represented as Quad-Trees](https://leetcode.com/problems/logical-or-of-two-binary-grids-represented-as-quad-trees/) `leetcode`
+- [Flip Binary Tree To Match Preorder Traversal](https://leetcode.com/problems/flip-binary-tree-to-match-preorder-traversal/) `leetcode`
+
 ## Hard
+
+- [Kth Ancestor of a Tree Node](https://leetcode.com/problems/kth-ancestor-of-a-tree-node/) `leetcode`
+- [Difference Between Maximum and Minimum Price Sum](https://leetcode.com/problems/difference-between-maximum-and-minimum-price-sum/) `leetcode`
+- [Merge BSTs to Create Single BST](https://leetcode.com/problems/merge-bsts-to-create-single-bst/) `leetcode`
+- [Frog Position After T Seconds](https://leetcode.com/problems/frog-position-after-t-seconds/) `leetcode`
+- [Height of Binary Tree After Subtree Removal Queries](https://leetcode.com/problems/height-of-binary-tree-after-subtree-removal-queries/) `leetcode`
+- [Collect Coins in a Tree](https://leetcode.com/problems/collect-coins-in-a-tree/) `leetcode`
+- [Binary Tree Maximum Path Sum](https://leetcode.com/problems/binary-tree-maximum-path-sum/) `leetcode`
+- [Tree of Coprimes](https://leetcode.com/problems/tree-of-coprimes/) `leetcode`
+- [Maximum Sum BST in Binary Tree](https://leetcode.com/problems/maximum-sum-bst-in-binary-tree/) `leetcode`
+- [Minimize the Total Price of the Trips](https://leetcode.com/problems/minimize-the-total-price-of-the-trips/) `leetcode`
+- [Number Of Ways To Reconstruct A Tree](https://leetcode.com/problems/number-of-ways-to-reconstruct-a-tree/) `leetcode`
+- [Smallest Missing Genetic Value in Each Subtree](https://leetcode.com/problems/smallest-missing-genetic-value-in-each-subtree/) `leetcode`
+- [Vertical Order Traversal of a Binary Tree](https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree/) `leetcode`
+- [Binary Tree Cameras](https://leetcode.com/problems/binary-tree-cameras/) `leetcode`
+- [Number of Ways to Reorder Array to Get Same BST](https://leetcode.com/problems/number-of-ways-to-reorder-array-to-get-same-bst/) `leetcode`
+- [Count Number of Possible Root Nodes](https://leetcode.com/problems/count-number-of-possible-root-nodes/) `leetcode`
+- [Count Ways to Build Rooms in an Ant Colony](https://leetcode.com/problems/count-ways-to-build-rooms-in-an-ant-colony/) `leetcode`
+- [Minimum Score After Removals on a Tree](https://leetcode.com/problems/minimum-score-after-removals-on-a-tree/) `leetcode`
+- [Create Components With Same Value](https://leetcode.com/problems/create-components-with-same-value/) `leetcode`
+- [Serialize and Deserialize Binary Tree](https://leetcode.com/problems/serialize-and-deserialize-binary-tree/) `leetcode`
+- [Longest Path With Different Adjacent Characters](https://leetcode.com/problems/longest-path-with-different-adjacent-characters/) `leetcode`
+-