TikTok Software Developer interview questions

I had a initial screening interview to determine the suitability of my skills, education, and experience to ensure that I was a match for the competitive and high stakes culture of the world famous social media platform that has attracted intensive scrutiny by both state and federal government regulatory departments that are looking into the business practices of a company that is based in China but has offices in the United States.

Received an online assessment with 3 Leetcode medium questions and one hard. I was given a window of two weeks to complete the assessment, The hard question was related to number 23 merge k sorted lists.