Create Registration_system.cpp

[jainsanyam228]

Choose your form and fill it -

1. Form 1(C++ Solution contributors)

1) Form 1

Issue Id you have worked upon -

476

Briefly explain your program logic -

In this que we simply create a map in c++ and for every string input we whether it appear it first time or not if the string appear first time we print OK otherwise we print string along with its frequency ;

Screenshots(Attach 2 screenshots of your own input and output) -

Checklist:

Eg - If your code follow the below guidelines. Kindly change [] to [x]

All the conditions should be fulfilled for considering your code for merging -

• [x] I have mentioned the question as comment in my solution file.
  

• [x] My code follows the guidelines of this project.
  

• [x] I have performed a self-review of my own code.
  

• [x] I have commented my code.
  

• [x] My code gives the correct output.
  

• [x] I confirm that I have not copied the code from anywhere. In case its found that I have copied even after successful merge then I can be banned from the repository and hacktoberfest.
  

• [x] I affirm that I strictly follow contributing guidelines and code of conduct.

[jainsanyam228]

@SarthakKeshari Done sir