Add C++ codes on Stack.

[nkpal03]

No description provided.

[kajaveaniruddha]

@nkpal03 I have almost completed solving this issue and will be sending a PR soon, can you assign this issue to me ?

[nkpal03]

Hei please create your own issue. like which Stack question you want to solve. I will assign that issue to you and add the required labels also. And also please link the pr with your issue.

Thank you.

[kajaveaniruddha]

Hey @nkpal03 I have added a PR and done the code as per your request. If any additional changes are required do let me know.

[nkpal03]

Hei please create your own issue. like which Stack question you want to solve. I will assign that issue to you and add the required labels also. And also please link the pr with your issue( ex - close #id of that issue you created)

Thank you.

[MrJayendra]

I am interested in this work.
Please assign it to me.

[Jyotisaini-2001]

Hii, @nkpal03. I have ADDED CODE FOR FIND THE INDEX OF THE FIRST OCCURRENCE IN A STRING IN CPP.