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.
Breadth First Search
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 order traversal means visiting all nodes at each level from…
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 traversal means visiting all nodes at each level alternatively from…
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 visiting all nodes at each level from left to right…