Meta E6 screening round[REJECT]

I recently completed a screening interview for a Software Engineer position at Meta. The interview consisted of two questions:

1. Nested List Weight Sum
2. Vertical Order Traversal of a Binary Tree

I successfully completed the first problem. I was approximately 90% finished with the second problem when the interviewer ended the session at the 33-minute mark, indicating that my time was up and they understood my approach. The interview lasted 28 minutes, excluding the initial 5-minute introduction. I received a rejection notification afterward. I had prepared extensively for this interview and aimed to perform my best.