Cognizant Programmer Analyst Trainee PAT interview questions

I have attended CTS interview in 2019. Interview process will be as follows. It consists of 3 rounds Written test-quant+coding+debugging Technical round- DBMS queries,c basic concepts,pointers,java oops concepts(polymorphism,inheritance), data structures- sorting questions(bubble,insertion,merge,quick),linked list,queue Hr round-About cts and few logical questions

Interview started with my brief introduction, then interviewer asked me to write some programs then he asked me some basic questions in Data Structures and sorting algorithms and my core branch related subjects.