Round 1 was an online coding test hosted on the Codility platform. There were 3 coding questions: 1 easy, 1 medium, and 1 hard.

Round 2 was a technical interview. The interviewer asked questions related to Data Structures and Algorithms. There were 1 hard and 1 medium-level LeetCode question.

Round 3 was a managerial interview. The interviewer asked both technical and HR questions.

Round 4 was an HR round. The interviewer asked HR questions such as 'Tell me about yourself' and 'How would you handle such a situation?'

The interview process was very smooth, and the interviewers were very helpful.

Design a data structure that can perform insert, remove, search, and getRandom in O(1) time.