Meta | E5 | Reject

Meta | E5 | Reject

Phone Screen

1. Dot Product of Two Sparse Vectors
2. Lowest Common Ancestor of a Binary Tree

Onsite

Coding 1

1. Diameter of Binary Tree
2. Valid Palindrome II

Coding 2

1. Diagonal Traverse
2. Next Permutation

Coding 3

1. Robot Room Cleaner
2. An easy problem based on Hash tables

Behavioral Standard questions like best project from the current team, handling conflict with manager, and increase in project scope.

System Design Design Web Crawler

For coding rounds, I was able to write optimal code, perform dry runs, and calculate time and space complexity well before the time limit. I believe I may have underperformed in either the behavioral or system design sections. I attempted to obtain feedback from the recruiter but did not receive a response.