The interview arrangement was good, but I think the decision was biased. It seems like they had already finalized someone, and my interview was just a formality.

Don't apply for IT positions at Facebook; they tend to hire people they know beforehand. It is rubbish that I gave all the working solutions but they still didn't get the signal to hire me.

Phone Interview

• Move zero at the end of the array.
• Decode the string. Example: "12" has two combinations: "AB" and "L".

Onsite Interview

• Find the number of islands in a 2x2 matrix.
• Find K points near to the origin.
• Design an insurance company.
• Add two binary strings.