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Hygiene Bigbite Interview Questions and Answers
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Gulshan Kumar
I applied via Campus Placement
Interview Preparation Tips
Experience: They selected 10 students from our college from CS and IT .They are looking for guys with extra projects done during college .App development will be a bonus ,contribution to open source and competitive programming will help for shortlisting.
Some of my friends had research papers published and they too got selected.
Round: Test
Experience: Have to write code snippet for 4 questions in 45 minutes
1.Difference between hour hand and minute hand
2.longest palindromic sub string.
3.Product Array puzzle
4.Some question related to matrix
Tips: All question were from geeksforgeeks
So practice it well ..u will make through it
Round: Test
Experience: Long Discussion on projects
They will scan each and every line of your Resume ,so dont write bullshits..
I wrote about interest in AI and got screwed..Discussion on college projects and final year project.
Then asked me to design a snake and ladder game OOPS concepts
Told me to find sum of all elements of sub matrix..(hint pre-processing the matrix)
Asked me about sessions and cookies
Gave a query to write on database indexing (dont remember exactly)
Asked me the code of the difference between hour hand and minute hand and extended it wid the second hand
Asked me as how to implement a dictionary
asked about TRIES ,CODE SNIPPET ON THE SHARED DOCS
One of my friend was asked to implement (set) of STL
Tips: The interviewer was cool guy..helped me a lot always made me comfortable.Interact with them as much as possible
Round: Test
Experience: Wid the CTO of the company .
Started wid the projects again .ACID properties,Database transactions,Concurrency Control
Optimization in database.
Then he asked me to code a function
Given a hash function applied on letters of English words ,un-hash it.Took me 45 minutes to reach the solution ,he helped me a lot.
Asked me to write the code for diameter of a binary tree
Asked me write the code for Boolean Matrix
One of my friend was asked to a question in which there was a bug in a m*n matrix and we have to find the bug(hint dfs or bfs)
Tips: keep calm ,,just keep talking ad he will help u a lot...
Round: HR
Experience: This was the toughest round for me...I had cleared all the rounds but they rejected me in the HR round ,,,dont know where I screwed..Learn every thing of Zomato..
They offered me an internship and thereafter they would look to give a PPO ...!!!lets see what happens
Skills: Coding Skills And Knowledge On Data Structures
Duration: 3
College Name: NIT Srinagar
Interview Questionnaire
9 Questions
- Q1. Write a regex for email validation?
- Ans.
Regex for email validation
Start with a string of characters followed by @ symbol
Followed by a string of characters and a period
End with a string of characters with a length of 2-6 characters
Allow for optional subdomains separated by periods
Disallow special characters except for . and _ in username
- Q2. Parse the XML? and store the output in JSON. Discussed different approaches?
- Q3. Print prime numbers in a given range and optimize the solution?
- Ans.
Print prime numbers in a given range and optimize the solution.
Use Sieve of Eratosthenes algorithm to generate prime numbers efficiently
Start with a boolean array of size n+1, mark all as true
Loop through the array and mark all multiples of each prime as false
Print all the indexes that are still marked as true
- Q4. Puzzle – 25 horses – 5 lanes, find fastest 3 horses?
- Q5. Web related questions on Sessions and cookies?
- Q6. A lot of discussion on my resume, experience etc
- Q7. Find angle between hour hand and minute hand in clock if time is given? Write a program or pseudo code?
- Ans.
Find angle between hour and minute hand in a clock given the time.
Calculate the angle made by the hour hand with respect to 12 o'clock position
Calculate the angle made by the minute hand with respect to 12 o'clock position
Find the difference between the two angles and take the absolute value
If the angle is greater than 180 degrees, subtract it from 360 degrees to get the smaller angle
- Q8. A hash function was written to convert a string into a hash. Write a un-hash function to revert it(from hash to string)?
- Ans.
To un-hash a string, use a reverse algorithm to convert the hash back to the original string.
Create a reverse algorithm that takes the hash as input and outputs the original string
Use the same logic as the hash function but in reverse order
If the hash function used a specific algorithm, use the inverse of that algorithm to un-hash the string
- Q9. He discussed about expectations and role. Asked me if I have any questions. He said to me “yaha aana hai to marwani padegi. tyar ho”? I smiled and asked what are the work timings? He said 9-9 and I was kin...
Interview Preparation Tips
Skills: Web development, JSON, Algorithm
College Name: na
Motivation: Overall process was not very tough. But they have start up culture. People work their for 11-12 hours a day. Sometimes on Saturday as well. So people who are geeks or have nothing in life to do except their job can go and join
Skills evaluated in this interview
I applied via Referral and was interviewed before Apr 2021. There were 2 interview rounds.
(1 Question)
- Q1. Past job experience pnl related questions
Interview Preparation Tips
I applied via Referral and was interviewed before May 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. How can you understand the supply of restaurant in a particular area of a city ?
- Ans.
To understand the supply of restaurants in a particular area of a city, we can use various methods.
Collect data from online directories like Yelp, Zomato, etc.
Conduct surveys to gather information about the number of restaurants in the area.
Analyze the population density and demographics of the area to estimate the demand for restaurants.
Check the number of restaurant permits issued by the local government.
Use GIS mapp...
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Mar 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. TELL US ABOUT YOURSELF? WHY WOULD YOU BE A GOOD FIT FOR ZOMATO? WHAT ARE YOUR STRNEGHTS?
Interview Preparation Tips
Interview Questionnaire
1 Question
- Q1. How would you sell a simple pen for 1 lakh.
- Ans.
This pen is not just a writing instrument, it's a statement of luxury and exclusivity.
Highlight the pen's unique design and craftsmanship
Emphasize the use of high-quality materials
Mention any special features or functions
Create a sense of exclusivity and rarity
Appeal to the buyer's desire for luxury and status
Offer personalized engraving or customization options
I applied via Referral and was interviewed before Dec 2021. There were 4 interview rounds.
(2 Questions)
- Q1. Basic sql and joins ..
- Q2. Advance excel is a must have
Price precision of riders, city wise calculation of cost per orders and earnings
(1 Question)
- Q1. Salary expectations and all
Interview Preparation Tips
I applied via Referral and was interviewed before Sep 2021. There were 2 interview rounds.
(1 Question)
- Q1. A brief introduction about yourself
(1 Question)
- Q1. Just a normal conversation and self handling situation
Interview Preparation Tips
I applied via Company Website and was interviewed in May 2024. There were 3 interview rounds.
Logic reasoning aptitude quant os dbms cn
Arrays, strings, linked list
(2 Questions)
- Q1. Explain ur projects and internships
- Q2. Technical questions related to domain
Selected
I applied via Walk-in and was interviewed before May 2023. There were 2 interview rounds.
(3 Questions)
- Q1. Sql only questions like joins and window functions
- Q2. Asked about joins and python knowledge
- Q3. Calculate rolling average for order amount for merchants
- Ans.
Calculate rolling average for order amount for merchants
Calculate the average order amount for each merchant over a specific time period
Update the average as new orders come in, dropping the oldest order amount from the calculation
Example: Merchant A had orders of $100, $150, $200 in the last 3 days. Rolling average would be ($100 + $150 + $200) / 3 = $150
SQL, Python, Case Studies, Window Functions
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