Contacted by HR via phone, then interviewed on-site. Questions were mostly related to data structures, algorithms, and basic coding techniques.

Interviewed with two interviewers, one hour each. One question each. Interviewers tried to lead you to a correct answer and then optimize it.

After one week, contacted HR and was told I could not proceed to the next stage.

Reverse a sequence or array.

Design an algorithm that can record the largest number in an ever-upgrading sequence.