Round 1: Online Coding
Q1 Return minimum length positive subarray from a given array.
Q2 Return number of possible strings from a given encoded input Encoding scheme :
A -> 1, B -> 2, … Z-> 26. Given input 123, answer is 3 (as 123 can be ABC or AW or LC)
Round 2: Face-to-Face
Q1. Find number in sorted 2D matrix(sorted row wise and column wise).
Round 3: Face-to-Face
Q1. Design database schema similar to https://stackoverflow.com/questions/13490609/database-design-for-comments-and-replies . My answer was similar to accepted answer in this ques. and interviewer was satisfied.
Q3. Design optimal DS for following operations : 1) insert(int x) 2) boolean exists(int x) 3) getKthMostFrequentElement() .
Round 4: Face-to-Face with Engineering Manager
Q1. Design Distributed LRU Cache.
Q2. Design(db and api’s) for BookMyShow like system.
Why Oyo, describe your dream job, how would you make Uber pool profitable, why do we need manual testers etc. Most of these were open-ended discussion based questions.
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