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Loco Backend Developer Interview Questions and Answers
Loco Backend Developer Interview Experiences
1 interview found
Kamlesh Yadav
I applied via Referral and was interviewed in Sep 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Golang theory and conceptual question
- Q2. Program to efficiently arrange an array with all non zero number in starting without any change in there order and keep all zero number at last, focus was without using extra memory and with least complexi...
- Ans.
Use two pointers to swap non-zero elements with zero elements in place.
Use two pointers, one for non-zero elements and one for zero elements.
Swap non-zero elements with zero elements in place.
Maintain the order of non-zero elements while moving them to the beginning of the array.
Interview Preparation Tips
- golang
- Data Structures
- Conceptualization
Skills evaluated in this interview
Interview questions from similar companies
(2 Questions)
- Q1. Java threads concepts and its usage
- Q2. Data structures problems and design quentions
I applied via LinkedIn and was interviewed in Apr 2021. There were 4 interview rounds.
Interview Questionnaire
4 Questions
- Q1. 1. Mininum cost to reach the last cell of a 2D matrix. Required moves are only downward or to the right direction
- Ans.
Minimum cost to reach last cell of 2D matrix with only downward or right moves.
Use dynamic programming approach to solve the problem.
Calculate minimum cost for each cell by considering minimum cost of its adjacent cells.
Final answer will be the minimum cost to reach the last cell.
- Q2. Design a Stack that can support getMin functionality. Whenever it calls getMin on stack it should return the min element in the stack.
- Ans.
Design a stack that supports getMin functionality to return the minimum element in the stack.
Create two stacks, one for storing the actual elements and another for storing the minimum elements.
Push elements onto both stacks simultaneously.
When popping an element, pop from both stacks.
To get the minimum element, peek at the top of the minimum stack.
- Q3. Design a TreeSet functionality
- Ans.
TreeSet is a data structure that stores unique elements in sorted order.
TreeSet is implemented using a Red-Black tree
It provides O(log n) time complexity for basic operations like add, remove, and contains
It also provides methods like first(), last(), headSet(), tailSet(), and subSet()
TreeSet can be used to implement priority queues and sorting algorithms
- Q4. Design a ArrayList that supprorts all the existing funtions of a list plus getMax functionality also.
- Ans.
Design an ArrayList with getMax functionality.
Create a custom ArrayList class that extends the existing ArrayList class.
Add a getMax() method that returns the maximum value in the list.
Override the add() method to keep track of the maximum value in the list.
Update the maximum value whenever an element is added or removed from the list.
Interview Preparation Tips
Skills evaluated in this interview
I applied via Company Website and was interviewed in Jan 2024. There was 1 interview round.
Given two soted arrays merge them from a single sorted array with all items in non-decreassing order
Selected
(1 Question)
- Q1. Human resources is tha set of people who make up the workforce of an organisation, business sector, industry.
(2 Questions)
- Q1. Connected with the partical use of machines, etc. in science and industry
- Q2. Connected with the skills involved in a particular activity or subject
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Mar 2024. There was 1 interview round.
-----.geeksforgeeks.org/replace-every-element-with-the-greatest-on-right-side/amp/
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Interview Preparation Tips
- DSA
- Core java
- Design Patterns
- Spring Boot
Moderate to difficult
(1 Question)
- Q1. DSA questions based on Dynamic programming
himanshu arora
Interview Preparation Tips
Experience: it was a basic test, CAT level questions and can be easily cleared
Tips: keep your cool, don't panic
Duration: 60 minutes
Total Questions: 60
College Name: IIT BOMBAY
Interview Preparation Tips
Experience: English was unpredictable.. Maths was easy but it will be good if you have practice, logical reasoning requires practice but are interesting
Tips: Leave english comprehensions for the end.. Do not waste too much time on one question even if it appears easy.. attempt the paper in the order of your comfort and mark every questions in case of NO negative marking
Duration: 60 minutes
Round: HR Interview
Tips: Smile!! And think before speaking anything, else you may contradict your own point.. Prepare "Tell me about yourself" well and guide your interview by focusing on your strongest point, you may face more questions on that point.. refer to 64 HR questions book
Round: Stress Interview
Tips: If they are giving you stress, that means they like you.. Relax!! Do not get nervous, thats what they want to check.. Think for the solution to the problem normally, you know you can crack it (Stress interview may be a part of HR, technical, case or any other interview.. you may have to make it out yourself)
Skill Tips: ""
Skills: Puzzles, Speaking skills, Aptitude, guesstimates, Case solving, presentation skills
College Name: IIT Bombay
Business Analyst Interview Questions & Answers
Ola Cabs
Vishnuvardhan Reddy Kotte
posted on 21 Feb 2015
Interview Questionnaire
3 Questions
- Q1. Give some quantifiable factors you can use to rate( for comapny's purpose) among a repository of cab drivers we have?
- Ans.
Quantifiable factors to rate cab drivers for company's purpose
Customer ratings and feedback
Number of completed trips
Average trip duration
Percentage of on-time pickups
Accident and traffic violation history
Vehicle cleanliness and maintenance
Driver punctuality and professionalism
- Q2. If you are on the selection committee of BCCI what would be your criterion for choosing between Yuvraj Singh and Stuart Binny for the World Cup squad?
- Ans.
The criterion for choosing between Yuvraj Singh and Stuart Binny for the World Cup squad would be based on their recent performance, fitness, and team balance.
Evaluate recent performance of both players
Assess fitness levels of both players
Consider team balance and required skill sets
Analyze pitch and weather conditions of the tournament
Take into account the opposition teams and their strengths and weaknesses
- Q3. Some questions on programming (Pseudo Codes )
Interview Preparation Tips
Experience: There were questions on general aptitude like work and time, probability, and some questions were on data interpretation, coding and decoding, etc., most of the questions were very simple...but I felt the data interpretation questions to be a bit tricky (completely my opinion though).. ON THE BASIS OF THIS TEST THEY SHORTLISTED ROUGHLY 15 OUT OF 150 (again a rough figure)
Tips: Manage your time wisely...start with the type of questions you feel comfortable...try to attempt all the questions....improve your speed while practicing.
Duration: 45min minutes
Total Questions: 45
Round: Test
Experience: We were given 3 questions to solve in 30 min duration.Later we were told to walk them through our solution . Two of them were on probability(one random variables and the other on basic probability) and one was on estimating the area of an irregular figure , given some tools.
Tips: Get all the doubts regarding the questions clarified .As you have to explain your solution, it would be helpful if you could pen down all the steps clearly ( as it shows them that your thought process is an organised one). Use pictorial representation if needed. When they propose some other method be open to it and be open to any method they propose and be clear with the method you adopted. Even if you didn't arrive at the final answer, try to communicate your idea on solving the problem( most of the times they will listen to what you say).
Duration: 30min minutes
Total Questions: 3
Round: Other Interview
Experience: They were basically looking for quantifiable factors...so think of some quantifiable factors like the number of Times they are available to you in a day and the number of service providers they engage with. etc.,
For the second question again use quantifiable factors which make sense.
Tips: They patiently listened to what I said . So, be calm and don't be in a haste.
Skill Tips: Be a bit quick while solving the Aptitude questions....Know about the company before you go in for the interview process....No need of any prior knowledge in R language ...They just tested my Willingness to learn new things.
Skills: Aptitude Skills, Communication Skills, Structured thought process, Out of the box thinking, Basic programming skills ( very basic)
College Name: IIT KANPUR
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