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WorkIndia SDE Interview Questions and Answers
WorkIndia SDE Interview Experiences
1 interview found
Anonymous
(2 Questions)
- Q1. Invert the given binary tree
- Ans.
Invert a binary tree by swapping left and right child nodes recursively
Start by swapping the left and right child nodes of the root node
Recursively invert the left subtree
Recursively invert the right subtree
- Q2. Implement custom HashMap
- Ans.
Implement custom HashMap
Create a custom class to represent the HashMap
Implement methods like put, get, remove, and resize
Handle collisions using separate chaining or open addressing
(2 Questions)
- Q1. Uber SQL Schema Design
- Q2. SQL queries on the same
(2 Questions)
- Q1. If you get 100 crores, what will you do with it?
- Ans.
I would invest in real estate, start a charitable foundation, and travel the world.
Invest in real estate to generate passive income
Start a charitable foundation to give back to the community
Travel the world to experience different cultures and broaden my horizons
- Q2. What are your highs and lows
Interview Preparation Tips
Answer HR questions according to company's culture and vision
Skills evaluated in this interview
Interview questions from similar companies
(2 Questions)
- Q1. SQL join question
- Q2. House robber, circular list
(2 Questions)
- Q1. Find duplicates and remove from linked list.
- Ans.
Remove duplicates from a linked list
Traverse the linked list and keep track of seen values using a hash set
If a value is already in the hash set, remove the duplicate node
Update the next pointers accordingly
- Q2. Check IP address is in valid format or not
- Ans.
Validate if an IP address is in a valid format
Split the IP address into 4 parts using the dot as a delimiter
Check if each part is a number between 0 and 255
Ensure there are exactly 4 parts in the IP address
Skills evaluated in this interview
Albert D'souza
MCQ based on c++ and java
Solve 5 DSA questions
(3 Questions)
- Q1. 1. Buy and sell stocks 2. String balance 3. Storing algo
- Q2. String balance questions and String manipulation
- Q3. Sorting algorithms and their implementations
- Ans.
Sorting algorithms are used to arrange elements in a specific order.
Common sorting algorithms include bubble sort, selection sort, insertion sort, merge sort, quick sort, and heap sort.
Each sorting algorithm has its own time complexity and space complexity.
Sorting algorithms can be implemented in various programming languages such as C++, Java, Python, etc.
Skills evaluated in this interview
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