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Foodhub React Native Developer Interview Questions and Answers
Foodhub React Native Developer Interview Experiences
1 interview found
Anonymous
Selected
I applied via Approached by Company and was interviewed before Feb 2023. There were 2 interview rounds.
(1 Question)
- Q1. Basic Question and REsume shortlist
Any sort algo of your choice
Interview Preparation Tips
Top trending discussions
Interview questions from similar companies
Medium to hard questions based on arrays, dp
(2 Questions)
- Q1. Quick sort algorithm
- Ans.
Quick sort is a popular sorting algorithm that uses divide and conquer strategy.
Divides array into smaller sub-arrays based on a pivot element
Recursively sorts sub-arrays
Combines sorted sub-arrays to get final sorted array
Time complexity: O(n log n) on average, O(n^2) worst case
Example: [3, 6, 8, 10, 1, 2, 1] -> [1, 1, 2, 3, 6, 8, 10]
- Q2. Modified rotate a matrix
- Ans.
Rotate a matrix by 90 degrees in place
Transpose the matrix
Reverse each row of the transposed matrix
Interview Preparation Tips
Skills evaluated in this interview
Software Developer Interview Questions & Answers
Agilysys Technologies India
Neela Kandan
posted on 4 Jan 2025
I applied via Company Website and was interviewed before Jan 2024. There were 2 interview rounds.
Online technical aptitude test
(1 Question)
- Q1. Related oops and old company projects
I applied via Campus Placement and was interviewed in Jul 2022. There was 1 interview round.
(1 Question)
- Q1. DSA problems on linked list, OOPs in depth programming, design pattens in Java. Some theoretical knowledge on OOPs and design patterns
Interview Preparation Tips
Anukul Kumar
(1 Question)
- Q1. JavaScript based, reduce, map, Database indexing
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 was interviewed in Mar 2022.
Round duration - 120 Minutes
Round difficulty - Medium
Machine Coding Round
2 Hours in Total
15 Mins for Question Explaination and Doubts
1.5 Hours for coding
15 mins to discuss the approach
Timing - 3 to 5 pm (They are flexible)
Interviewer was very patient and helped me understand the question
(2 Questions)
Round duration - 60 Minutes
Round difficulty - Medium
2 Data Strucutre Questions
Timing 5-6 pm (They are flexible)
Google Meet
Online IDE
- Q1.
Unique Binary Search Trees Problem Statement
Given an integer 'N', your task is to compute the number of structurally unique BSTs (binary search trees) that can be formed using an exact number of 'N' uniq...
- Ans.
The task is to compute the number of structurally unique BSTs that can be formed using an exact number of unique values.
Use dynamic programming to solve the problem efficiently.
The number of structurally unique BSTs can be calculated using Catalan numbers.
For N nodes, the number of structurally unique BSTs is given by the Nth Catalan number.
Example: For N=3, the number of structurally unique BSTs is 5.
- Q2.
Subsequences of String Problem Statement
You are provided with a string
'STR'that consists of lowercase English letters ranging from 'a' to 'z'. Your task is to determine all non-empty possible subsequen... - Ans.
Generate all possible subsequences of a given string.
Use recursion to generate all possible subsequences by including or excluding each character in the string.
Maintain a current index to keep track of the characters being considered.
Append the current character to each subsequence generated so far.
Recursively call the function with the next index to include or exclude the next character.
Base case: When the current ind...
Round duration - 60 Minutes
Round difficulty - Easy
HIRING MANAGER ROUND
Discussion about the organisation now questions
Interview Preparation Tips
Tip 1 : Practice is they to success, every person will need a different path for preparation, the resources that you should use will depend upon your current expertise.
Tip 2 : For Machine Coding Rounds speed is key, you need to practice atleast 20 questions, Try to figure out techniques to common out code, code out your first question, and then spend good 2-3 hours in reducing no of lines and removing redundancy, try to note down methods you used to achieve less redundancy and for all the next questions you practice try to achieve that same quality from the beginning which will automatically increase your speed
Tip 3 : Do company wise preparation, look for interview experiences and try to map out commonly asked questions and categories of those questions and practice accordingly
Tip 1 : If applying for any non FE role (or any role that does not require designing or creative skills) keep a minimalistic resume
Tip 2 : Ensure to add a summary at the top which mentions all the criterias HRs consider while short listing resumes (Experience, Degree and Branch, Languages you have experience in, City, Willingness to Relocate, Notice Period, If already on notice period mention your last working day)
Skills evaluated in this interview
I applied via Referral and was interviewed in Jul 2024. There were 2 interview rounds.
Genric aptitude questions also computer fundamentals like dbms
DP questions, tree questions r there
Interview Preparation Tips
HAckerrank based test
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Foodhub React Native Developer Interview Process
based on 1 interview
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