Dunzo Technical Subject Matter Expert Interview Questions and Answers

Q1. How much support does a CRO give to the company to do more business and how?
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Q2. How to advance company productivity through marketing?
Ans. 
Company productivity can be advanced through marketing by increasing brand awareness, targeting the right audience, utilizing digital marketing strategies, and analyzing data for optimization.
• Increase brand awareness through targeted advertising campaigns

• Target the right audience through market research and segmentation

• Utilize digital marketing strategies such as social media, email marketing, and SEO

• Analyze data to op
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Q1. Personal information,
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Q2. Work experience
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Q1. Personal discussion
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Q2. Discuss about package
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Q1. Design Splitwise Application (LLD)
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Design a Splitwise application for managing shared expenses among friends.
• Implement user authentication and authorization for secure access.

• Create a user-friendly interface for adding expenses and splitting them among friends.

• Develop algorithms for calculating balances and settling debts between users.

• Include features for adding comments, attaching receipts, and generating reports.

• Consider scalability and performance o...read more
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Q1. Replace all zeros to 1 which are surrounded by 1's
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Replace zeros surrounded by ones with ones in an array of strings
• Iterate through each string in the array

• Check for zeros surrounded by ones and replace them with ones

• Return the modified array of strings
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Q2. Minimum jumps to reach end of an array
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The minimum number of jumps needed to reach the end of an array.
• Use dynamic programming to keep track of the minimum jumps needed at each index.

• At each index, calculate the maximum reachable index and update the minimum jumps accordingly.

• Example: For array [2, 3, 1, 1, 2, 4, 2, 0, 1, 1], the minimum jumps needed is 4.
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Q1. LLD Round:- Design classes for bidding system when new bid notifications shown to all users who already bided for it.
Ans. 
Design classes for a bidding system with new bid notifications for users who have already bid.
• Create a Bid class with attributes like bidder, amount, timestamp, etc.

• Create a Notification class with attributes like message, recipient, timestamp, etc.

• Create a BiddingSystem class to manage bids and notifications.

• Implement a method in BiddingSystem to notify users who have already bid when a new bid is placed.

• Consider usin...read more
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Q2. HLD:- Desing Post order service, or last mile like finding rider, notifications etc
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Q1. Tell me about yourself.
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Q1. Job experience, introduction
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Q1. Working experienced
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Final assignment to complete

I was asked question on sliding window on finding the largest subarray with all distinct numbers. The interviewer was very helpful.

Q1. Self information
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Q2. Hobbies good communication skills
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