Micron Technology Software Engineer interview questions

Four stage interviews: 1. Online interview with directors (30 mins). 2. Group interview (8 people, should only be 1 hour, but dragged until 2 hours). 3. Coding interview (10 mins chatting with senior engineers, then 20 mins notepad coding, mostly on OOP + SQL, the questions were relatively average. 4. Meeting with HR (didn't get until this point) After the third interview, there were no feedback from the company except the director stated that the next stage is with HR.