This coding problem is quite challenging and requires a solid understanding of computer science fundamentals. It involves deep knowledge of algorithms, data structures, and possibly low-level system design principles. Tackling such a question demands both strong problem-solving skills and a firm grasp of core concepts like computational complexity, memory management, and optimization techniques.
2 rounds coding a lot of background questions very strange behavior from interviewer camera was off and asked questions in mandarin, leetcode medium-hard and very very slow communication from recruiters based in asia for an english role
OA - 1 arrays Medium, 1 Trie Hard. I had 45 minutes to complete that. I was able to do the medium in about 15-20 minutes but I am not that great with trie ds so I was not able to finish.
I applied online. I interviewed at TikTok (Singapore) in June 2026
Interview
1 round of tech interview where i was asked basic tech questions and given a leetcode question to solve. total was around 1 hour. interviewer did not seem happy with my answer and time complexity.