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TopRankers Software Engineer Interview Questions and Answers
TopRankers Software Engineer Interview Experiences
1 interview found
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I applied via Referral and was interviewed before Oct 2023. There was 1 interview round.
(1 Question)
- Q1. Mysql, reactjs, nodejs questoins
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Interview questions from similar companies
Logical questions and reasoning questions and direction questions
3 coding questions upto 3 u write 2 codeing questions and pass all test cases
(2 Questions)
- Q1. Business discussion and about ur self and about ur family
- Q2. What u salary package and show u government proof
Interview Preparation Tips
I applied via Company Website and was interviewed before Dec 2020. There were 3 interview rounds.
Interview Questionnaire
7 Questions
- Q1. Reverse a given Linked List. Both O(1) and O(N) space complexity. Where N is the size of Linked List.
- Ans.
Reverse a given Linked List with O(1) and O(N) space complexity.
For O(1) space complexity, use three pointers to reverse the links in place.
For O(N) space complexity, use a stack to store the nodes and then pop them to create the reversed list.
Be careful with edge cases such as empty list or list with only one node.
- Q2. Explain your project. and give a brief overview for the technologies involved in the process of making the project. (Expect some cross-questioning for the technologies you are going to mention).
- Q3. In a party of N people, only one person is known to everyone. Such a person may be present in the party, if yes, (s)he doesn't know anyone in the party. Find this celebrity (is present).
- Ans.
Find the celebrity in a party of N people where only one person is known to everyone.
The celebrity doesn't know anyone in the party.
We can use a stack to keep track of potential celebrities.
If a person knows someone, they cannot be a celebrity.
If a person doesn't know someone, we can push them onto the stack.
After iterating through all people, we check if the stack has only one person and if that person is known to eve
- Q4. Explain in detail the working behind the algorithms of Merge Sort and Quick Sort.
- Ans.
Merge Sort and Quick Sort are sorting algorithms that use divide and conquer approach.
Merge Sort divides the array into two halves, sorts them recursively, and then merges them.
Quick Sort selects a pivot element, partitions the array around the pivot, and recursively sorts the sub-arrays.
Merge Sort has a worst-case time complexity of O(nlogn), while Quick Sort has an average case time complexity of O(nlogn).
Merge Sort ...
- Q5. Trapping Rain-Water problem: Given N non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after raining.
- Ans.
Compute amount of water trapped in an elevation map after raining
Iterate through the array and find the maximum height on the left and right of each bar
Calculate the amount of water that can be trapped on each bar using the difference between the minimum of the two maximum heights and the height of the bar
Add up the amount of water trapped on each bar to get the total amount of water trapped
- Q6. Zigzag traversal of a given binary tree.
- Ans.
Zigzag traversal of a binary tree is a way of traversing the tree in a zigzag pattern.
Use a stack to keep track of nodes to be visited.
For each level, alternate between adding nodes to the stack from left to right and right to left.
Pop nodes from the stack and add their children to the stack in the appropriate order.
Repeat until all nodes have been visited.
- Q7. Given a dictionary with {Key, Value} as {String, Integer}. Sort the given dictionary in ascending/descending order according to: 1) Key. 2) Value.
- Ans.
Sort a dictionary by key or value in ascending/descending order.
Use sorted() function with lambda function to sort by key or value.
For ascending order, use reverse=False and for descending order, use reverse=True.
Example: sorted_dict = sorted(dictionary.items(), key=lambda x: x[0], reverse=True)
Interview Preparation Tips
- Whatever your project may be, you should know aspect of it and expect some cross-questions as well.
- Be confident with what solution you are coming up, and try to make it efficient if asked.
Skills evaluated in this interview
Honey Singh
I appeared for an interview in Aug 2024.
Basic aptitude questions were asked Reasoning wgrh
Two hard level coding questions of leetcode based on binary search
Interview Preparation Tips
I applied via Approached by Company and was interviewed in May 2024. There were 2 interview rounds.
1 hr coding round required me to solve 2 leetcode medium questions
(1 Question)
- Q1. Design an online grocery store basically zepto.
- Ans.
Design an online grocery store similar to zepto.
Implement user-friendly interface for easy navigation
Include search functionality for quick product discovery
Offer secure payment options for customer convenience
Provide delivery options with tracking feature
Include customer reviews and ratings for products
Implement inventory management system for real-time updates
Skills evaluated in this interview
I applied via Company Website and was interviewed in Aug 2022. There were 2 interview rounds.
MCQ questions,coding, languages
All programming questions
Interview Preparation Tips
- Java, python
I applied via Job Portal and was interviewed in Nov 2022. There were 2 interview rounds.
(4 Questions)
- Q1. About java and execution
- Q2. Java fundamentals using of java what we clear
- Q3. What do you do when the system getting more errors
- Ans.
I analyze the error logs and identify the root cause of the errors. Then, I work on fixing the issues.
Analyze the error logs to identify the root cause of the errors
Work on fixing the issues causing the errors
Implement preventive measures to avoid similar errors in the future
- Q4. Java introduction and it's invention
- Ans.
Java is a high-level programming language invented by James Gosling at Sun Microsystems in 1995.
Java is an object-oriented language that is platform-independent.
It was designed to have a simple syntax and be easy to learn.
Java is used for developing a wide range of applications, from mobile apps to enterprise software.
Java's popularity is due in part to its robustness, security, and scalability.
Some popular Java-based ...
Interview Preparation Tips
- English Literature
Skills evaluated in this interview
Interview Questionnaire
2 Questions
- Q1. According the qualifications
- Q2. According the resume details qualifications
I applied via AmbitionBox and was interviewed in Feb 2022. There were 2 interview rounds.
Aptitude, Reasoning
Technical codes
Interview Preparation Tips
(1 Question)
- Q1. Why should i hire you?
(8 Questions)
- Q1. What are your salary expectations?
- Q2. What is your family background?
- Q3. Share details of your previous job.
- Q4. Why should we hire you?
- Q5. Why are you looking for a change?
- Q6. Where do you see yourself in 5 years?
- Q7. What are your strengths and weaknesses?
- Q8. Tell me about yourself.
Interview Preparation Tips
Looking position is in straight manner
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