Meta Software Developer interview questions

Gave my resume to a recruiter on campus and setup a phone interview. The interview was straight forward efficient string lookup from array of strings (the type of questions that are solved using a trie). Thought I bombed the phone screening but got invited to an onsite. Onsite consisted of 2 technical interviews and a behavioral interview with a technical question at the end.

Short interview, I got asked only one question. The entire interview lasted slightly longer than 45 minutes. The structure was basically a simple one-liner introduction from the interviewer, and then jumps straight to the interview question, followed by a brief Q&A session at the end of the interview.