I applied online. The process took 4 weeks. I interviewed at TikTok in Mar 2022
Interview
1. Introduce for the both side.
2. Coding: merge two binary search trees to build one BST. (inorder traversal + sorted array merge + build a new tree from inorder array)
3. ask reverse question.
total time: 45 minitues.
I applied online. The process took 5 days. I interviewed at TikTok
Interview
Apply and received an email to take an OA. The OA includes 2 leetcode medium and 1 leetcode hard. Got a rejection email a few days later. Questions were hard.
HR will contact you to connect with the interviewer. The intervewer will ask about a Leetcode problem. You are given 45 minutes of time to finish it. The problem is Leetcode Medium.