oh i c... i m fron jc so the Q they asked me quite different from yours. but they didn't ask u the estimation Q? i thought it's compulsory for every interviewee haha
Yeah they asked me to explain the answer for the estimation question.
Basically there are 3 parts to the interview.
1) Karel Test (15 minutes)
2) Estimation Question (5 minutes)
3) Main Interview
3.1) Explain your Karel Answer (Only if your answer is wrong)
3.2) Explain your Estimation Question Answer (To clear their doubt)
3.3) Interviewer ask questions
3.4) Interviewee ask questions