Infosys Software Engineer interview questions

They gave a pre-placement talk at our university.Then the online written test was conducted and I succeeded that. Then the next day was the interview. In interview they basically asked about what projects you've done in your engineering career and I spoke about the ionic mobile apps that I had made in the previous summer.

It was more technical.They asked more questions on c,CPP,python,oops,SQL and data structures.Some of my friends had only he questions.They asked to write a simple code.finding prime numbers.difference between python and c. Difference between c and cpp