Cognizant Software Developer interview questions

There are 3 rounds of interviewing: 1st round: phone screening - HR will call and ask you some basic questions and gather information that you would like to discuss on paper worrk. 2nd round: technical interview - discusssing on data structure, algorithm, database,... 3rd round: client interview which includes coderpad and leetcode

The interview was smooth, interviewer was nice and very clear about what he needs. Unfortunately I was not able to clear it but it was a easy process. I should have cracked it.