Interviewer: man from India with 5 years working experience
2 comprehensive bq (20min) + 3 coding (35min) + 1, 3 followup
Bq1: one of the most proud projects
I answered 14 questions about a project from the details to the fit
Follow-up details: please be met is the technical problem again in detail; In terms of teamwork (leader in the project), how did you solve the disagreement between your team members and yours?
Bq2: did you make any mistakes in the project? How did you solve it?
I answered that the mistakes made by one project were caused by too care customer experience, and there were 14 mistakes.
Follow up details: please is to meet the technical problems again in detail; How to incorporate new knowledge into your project, etc.,
Coding: exactly
(1) find the number in the array whose frequency is odd, I answer with map save, follow up the optimal solution is xor, space complexity O (1), ask map base
(2) the DFS tree of a problem, it is temporary defines a type of tree, and then how to judge whether accord with this type, I do with the dc, ask the time space complexity
(3) calculate the maximum interval and, positive and negative, return interval index