Licious Software Development Engineer II Interview Questions and Answers

2 Medium level DSA questions

Q1. Find the row with maximum number of 1's
Ans. 
Find the row with maximum number of 1's in a matrix
• Iterate through each row of the matrix

• Count the number of 1's in each row

• Track the row with maximum number of 1's
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Q2. Design Book My Show
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General coding questions

Machine coding round have to develop some working project

Q1. Where do you see after 5 years
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Q2. Challenges in past roles
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2 coding questions in 90 minutes

Q1. LLD of snake and ladder game
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Q1. Resume based questions
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Haxckerrank Test with 3 problems

Q1. DSA and problem solving round
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Q1. LLD and machine coding round
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Q1. Hiring manager connect and team fit
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Q1. 1. Given an array find a subset that sums to a given sum K 2. Given an array with duplicate elements, print all triplets that sum to K. Each element at any index i can only be used once.
Ans. 
Given an array, find a subset that sums to a given sum K and print all triplets that sum to K.
• Use a recursive approach to find subsets that sum to K

• Use a nested loop to find triplets that sum to K

• Avoid using duplicate elements in triplets
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Q1. LLD round 1. Design Book My Show. Interviewer was interested in classes and most common api. He asked more about how will these classes when translated into RDBMS table, will look like. What all index I co...read more
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Q1. HLD round 1. Design swiggy 2. Follow up question was to create a state diagram for order object.
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Q1. With HM 1. Projects 2. Major challenges during those projects 3. Who all were you stake holders 4. How do you contribute in design discussion 5. How to you plan your testing with QA and other involved team...read more
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Q1. With VP of engineering 1. Project discussion. In each scope he asked what if this would fail then how are you handling your code. for eg. Let's say you are reading a file and dumping data in batches in 1 t...read more
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Q1. 1. Count number of islands 2. House Robber
Ans. 
Count number of islands and solve the House Robber problem.
• Count number of islands: Use DFS or BFS to traverse the grid and mark visited cells as part of an island.

• House Robber: Use dynamic programming to calculate the maximum amount of money that can be robbed without alerting the police.

• Example for counting number of islands: Given grid = [['1','1','0','0','0'],['1','1','0','0','0'],['0','0','1','0','0'],['0','0','0'...read more
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Q1. Design google sheet. How will you handle concurrent editing in google sheets?
Ans. 
To handle concurrent editing in Google Sheets, use operational transformation to synchronize changes and resolve conflicts.
• Implement operational transformation to track and merge concurrent edits

• Use version control to manage different versions of the sheet

• Apply locking mechanisms to prevent conflicts during editing

• Utilize real-time collaboration features to notify users of changes

• Implement conflict resolution strategie
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Q1. Design LLD of Zomato.
Ans. 
Design LLD of Zomato
• 1. Zomato is a food delivery platform that connects users with restaurants.

• 2. The LLD should include modules for user management, restaurant management, order management, and delivery management.

• 3. User management module should handle user registration, login, and profile management.

• 4. Restaurant management module should handle restaurant registration, menu management, and reviews.

• 5. Order managemen...read more
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Q1. Round with VP of the company. Few questions about my projects and few basic HR questions like why Urban Company etc etc
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Q1. Explain different GC strategies
Ans. 
GC strategies refer to different garbage collection techniques used in memory management.
• 1. Mark and Sweep: Identifies and marks all reachable objects, then sweeps away unreferenced objects.

• 2. Copying: Divides memory into two equal halves and copies live objects from one half to the other.

• 3. Generational: Divides objects into different generations based on their age, with different collection strategies for each genera...read more
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