Phone Screening: Italian Interviewer was late for the interview then he asked 1 question. I solved questions in 15 mins. The question can be solved in o(nlogn) but I solved in o(n). Feedback on the question was good but I got rejected because the Interviewer didn't ask me the other Question because he was late. I talked with HR but he didn't do anything. This was unfair and disappointed by a big company.

They love the coding puzzle questions using a nearly useless web tool. Couldn’t even compile the code. So you spend more time remembering syntax than solving the problem. And when was the last time an iOS developer had to use a linked list