Level order traversal – Breadth-first
Here is implementation of level order traversal of a binary tree. Level order traversal is nothing more than traversing each level at a time 10 Lev 1 / \ 9 15 Lev 2 / / \ 7 12 17 Lev 3 Output 10 9 15 7 12 17 AVL Tree example ++++++++++++++++++++++ 69: 29 77 …