Meta Software Engineering Intern interview questions

Didn't understand the problem fully and I wasn't expecting a question about Bit manipulation. Looking back the problem was pretty easy, I was just thrown off guard. Also, in the review guide provided, bit manipulation wasn't listed.

At first, I submitted my resume through the traditional application portal. Then, campus interviews with 1 technical question. It was followed with a final round phone interview with a technical question and some description of my past project work