athenahealth Sr. Software Engineer interview questions

First round was online test. They called for next round in some hotel. Reached at 10 am. Offered high tea. They started showing some video about their company. After waiting for 2-3 hours, got a chance for interview round. They gave us program to print tree by levels. After 10-15 min they were expecting to write full code. I coded half of the logic and explained rest of it. I m 100% sure it's correct only. They asked me to wait. In between again high tea time. After 2 hour they came and ask me to leave. Seriously ? Then why are they wasting our time for so long to decide for next round. Confused panel. Funny part is, for publicity they gave T-shirt of small size :) my height is 6 ft :D Wasted one day for this company. I wound have attended another interview