2.6) Average of Levels in Binary Tree
Given the root of a binary tree, return the average value of the nodes on each level of the tree.
1.2) Binary Tree Level Order Traversal II
Given the root of a binary tree, return the bottom-up level order traversal of its nodes' values. The bottom-up level…
1.3) Binary Tree Zigzag Level Order Traversal
Given the root of a binary tree, return the zigzag level order traversal of its nodes' values. Zigzag level order…
1.1) Binary Tree Level Order Traversal
Given the root of a binary tree, return the level order traversal of its nodes' values. Level order traversal means…