Implement Lowest Common Ancestor

[ay2306]

• Use Binary Lifting
• Put your file in the right folder (/Algorithms/TREES/LCA).
• Do corresponding additions in the documentation.
• Comment your code where necessary.

[amanbharti0302]

I want to work upon this

[Manvityagi]

I want to work upon this

Assigned to you @amanbharti0302.
You can start working on it.