Why

I forget everything in studies and my things get misplaced so I decided to keep them safe on blogger.
So I decided to blog on it.

See also

• For a Given node of a binary tree, print the K distance nodes.
• Find the distance between 2 nodes in Binary Tree
• Find the distance between 2 nodes in Binary Tree
• Program to count leaf nodes in a binary tree
• Friend Circle - Hackerrank