DFS Algorithm for graph

[neenad99]

@codergeekzz Can i contribute to this issue for hacktoberfest by adding C++ code for dfs traversal in a graph?

[satyam-mahajan]

Hii,I am able to fix the issue in a optimal way. please assign it to me.

[amarsingh7]

Hey, I'm contributing my optimal code to this issue. Please review the same and merge it. Thanks.

[animagus12]

Hey, can you assign this to me?