Pregunta de entrevista de Palo Alto Networks

The previous work experience, python, SQL and some algorithm questions. The first interviewer is a little bit arrogant. From technique perspective, he is ok. At lease he state his question clearly and write down all the questions and give examples. The second one does not tell me all the required information clearly. For example, one of the question is used by google (how to store 1 million of integer number efficiently).The original question says the range of number is less than 4 million and the ram is 1 million. But the interviewer tells me the range is "int_max". The mem space required by bit map solution increases 1k times due to his change. How can I resolve it? Another interviewer questions me from very beginning. He said the senior soft engineer should be able to work independently. Can you work independently? do you have such experience? I already have ten years work experience and most of the companies are larger than this company. I do not know how to answer this stupid question. Whatever I say, it is just stupid.Then, he ask some questions which are some bugs he has encountered. I do not understand the background and say no. Besides, he asked some questions orally and do not give example. My solution of course has problems as the I do not know what is the table looks like in the database.