Zynga Interview Experience

Interviewed off-campus for the position of SDE role (>1 yrs of experience) Round 1 There were 2-3 questions in this round

• Variation of rat in a maze path problem, find the indices of the cell reachable from the given cell in a finite grid. Enhance the solution for infinite grid.
• Discussion on the implementation of a leaderboard. It should have features like getting top 10, getting a list of my closest competitors, my rank, etc.
• Behavioural questions, why do you want to join Zynga, why are you switching your job etc.

Round 2 There was a only 1 question in this round

• Given a binary tree, find the largest BST among all possible BSTs
• Behavioural questions, almost same as above

Round 3 This round contained 1 system design questions and 1 coding question.

• Design a WhatsApp group messaging feature. Discussion around authorisation, best practices etc.
• https://www.geeksforgeeks.org/dsa/find-a-tour-that-visits-all-stations/