I applied through college or university. I interviewed at AppDynamics
Interview
First, there was a coding round. There were aptitude questions and a few questions related to predicting output etc. There were 3 coding questions. One was easy, one medium and one hard. people who solved 1.5 were selected and people who solved 2.5 were not selected.
Interview questions [1]
Question 1
The difficult coding question was to find the number of ways a target string can be formed from an array of strings such that the characters selected should be in sequence