Infosys DSE Role interview questions

There were 3 coding questions and each was worth 100 points and the duration of the test was 3 hours. The test for the DSE role and Power Programmer role is the same. If you solve 2 or more questions then you have a chance of being qualified for the PP role, otherwise, if you are able to solve 1 question only then you will probably be shortlisted for DSE Role. I do not remember the exact questions but one was of Matrix, another question required String manipulation and the other ques was of Graph. I was able to solve only one question completely (100% test cases passed) and one other question only partially hence I was shortlisted for DSE Rol

It was awful. The interviewer was really rude as if he had already decided not to hire me. He was speaking so softly and also denied to repeat any question.