Cognizant Senior Associate-Projects interview questions

I attended CTS interview in 9th September 2017 at in Bangalore which was scheduled through a third party consultancy for the permanent position with CTS. Though it was said that scheduled one, many candidates came , so it was looking like a walk-in interview. There were 3 rounds of interview. 2 technical rounds and a hr round. In the first round, the interview very good, asked very good technical questions, challenging to my skill sets. He was happy with discussion. Took around 45 mins. In the 2nd round , it was taken by a senior manager who was very much interested in project activities and the stretch work that I have done. He was also very happy with the round. Took around 30 min. 3rd round was hr, it was a short discussion. Just a salary discussion. HR confirmed my selection and received my offer letter on 19th September.

one round of written,two tehincal,and one managerial.WWritten round included five problems to solve 1.How do you reach the middle element in single pass in an array 2.Sort two arrays and merge them 3.Reorder an array as per constraints Technical round: Design a cofee shop Rest services Sample Code and questions from them