TikTok Developer interview questions

Can't say, but leetcode medium-hard

I don't remember all of them. 1. Give 2 strings, Add two numbers. 2. Log file. Find whether there are machine problems based on the log 3. A traveler can choose several routes to different places. Each of the route has time and values. Maximize the values while making sure the traveler can come back. 4. don't remember