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Xongl Cloud Interview Questions and Answers

Updated 3 Apr 2024

Xongl Cloud Interview Experiences

1 interview found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Apr 2023. There were 2 interview rounds.

Round 1 - Coding Test 

Task related to building webpage and make it responsive

Round 2 - One-on-one 

(2 Questions)

  • Q1. Could you please share some of your projects?
  • Q2. I have shared and explained what was my roles and responsibilities and what was my approach

Web Developer Interview Questions asked at other Companies

Q1. Last Index of Element The task is to determine the index of the last occurrence of a specified element x within an array that may contain duplicate elements. If the element is not present, return -1. Input: The first line contains an intege... read more
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I was interviewed in Dec 2016.

Interview Preparation Tips

Round: Technical Interview
Experience: On-site interview (5 hours).

4 back-to-back 45-minute coding interviews, followed by a design interview, with a lunch break with a Googler in the middle.

The first coding interview was a set of (surprisingly) trivial (no algorithms needed) incremental coding questions.

The two next coding interviews were problems straight from the "Cracking the coding interview" book. Even though I divulged that I'd solved pretty much exactly the same problem before, they didn't give me an alternative problem and I quickly coded up a general and optimal solution for the problems. Follow-up in-depth questions were minimal and not hard.

The last coding question was a pure algorithm question related to search trees/tries. No coding required, spent the whole time reasoning about the most effective algorithm. This was a bit of a brain twister.

The design question was related to high-level system design (not OO design) for storage and search in geographic data. Focus was effective search as well as scalability both in traffic and data volumes.

Tips: Read "Cracking the coding interview" or other similar literature. Solve all the problems and you should be good to go. If you solve a bunch of problems at HackerRank (or similar) as well, you'll have the added bonus of training on how to generalize the algorithms.

Interview Questionnaire 

1 Question

  • Q1. Off-campus interviews in Bangalore

Interview Preparation Tips

Round: Test
Experience: Only a few students will get shortlisted who do all the questions correctly.

Round: Other Interview
Experience: First 4 rounds on day 1 and this are just to shortlist for more rounds on some other day.
Tips: They will focus on almost all the concepts of computer science.You need to practice a lot and start it right now. Should be easy if you have prepared well enough. Use your holidays to start preparing for placements.

General Tips: Sooner you start, better your placement will be as lack of practice & last day study works only for exams but never for interviews. You'll get enough time to prepare for interviews once you get shortlisted. Focus on it even if you are placed already.
Skill Tips: They will focus on almost all the concepts of computer science.
Skills: C , Aptitude
College Name: NIT SURATHKAL

I applied via Referral

Interview Questionnaire 

3 Questions

  • Q1. Given two sorted arrays, say A and B, find A ­ B. Here, A ­ B means all those elements present in A but not in B. The expected time complexity was O(m + n), if A is of size m and B is of size n
  • Ans. 

    Find A-B of two sorted arrays A and B in O(m+n) time complexity.

    • Create two pointers, one for each array, and compare the elements at those pointers.

    • If the element in A is smaller, add it to the result array and move the A pointer forward.

    • If the element in B is smaller, move the B pointer forward.

    • Repeat until one of the pointers reaches the end of its array.

    • Add any remaining elements in A to the result array.

    • Time comple...

  • Answered by AI
  • Q2. 1. Write a routine to output the elements of the inorder traversal of a binary tree one by one in its each call. eg: Assuming the inorder traversal is 1, 2, 3, 4, 5, the routine should return 1 in its fi...
  • Ans. 

    The routine should output the elements of the inorder traversal of a binary tree one by one in each call.

    • Implement an inorder traversal algorithm recursively

    • Use a global variable or pass a reference to keep track of the current element

    • Call the routine repeatedly to get the next element in each call

  • Answered by AI
  • Q3. Given a set of courses along with the prerequisite courses for these courses, write a program to find the minimum number of semesters required to wrap up all the courses
  • Ans. 

    Program to find minimum semesters required to complete courses with prerequisites

    • Create a graph with courses as nodes and prerequisites as edges

    • Use topological sorting to find the order of courses to be taken

    • Calculate the minimum number of semesters based on the order obtained

    • Handle cases where there are cycles in the graph

  • Answered by AI

Interview Preparation Tips

Skills:
College Name: NA

Skills evaluated in this interview

I applied via Campus Placement

Interview Preparation Tips

Round: Test
Experience: exam was easy.
Tips: Be good in C programming
Duration: 75 minutes
Total Questions: 3

General Tips: Should be good in atleast c or c++
Skills: Algorithms And Data Structures
Duration: 2
College Name: IIT Madras
Motivation: The accomodation and facilities
Funny Moments: Interviews are not funny.

I applied via Campus Placement and was interviewed in Dec 2016. There were 6 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. Coding Questions and Thinking Process Analysis.
  • Q2. Analysis about app performance
  • Ans. 

    App performance analysis involves identifying and resolving bottlenecks to improve user experience.

    • Collect and analyze performance metrics such as response time, CPU usage, memory usage, and network latency.

    • Identify and prioritize bottlenecks based on impact on user experience and frequency of occurrence.

    • Implement optimizations such as caching, code refactoring, and database tuning.

    • Continuously monitor and test perform...

  • Answered by AI
  • Q3. Discussion about the project mentioned in resume.

Interview Preparation Tips

Round: Test
Experience: Two questions were given and we are supposed to write code for the same.
Tips: Whatever idea is there, just discuss with interviewer.
Duration: 1 hour
Total Questions: 2

Round: Problem Statement
Experience: You have to solve the question for next round.
Tips: Practice coding well.

Round: Technical Interview
Experience: A coding question was given, but much difficult one, they were looking for approach.
Tips: Share your thought Process Clearly.

Round: Case Study Interview
Experience: A full depth project round was there. They asked my role and responsibility.

Round: Technical Interview
Experience: An application was given to you and you have to make it better the way you can.

Skills: Technical Questions, Technical Analysis, Ability To Cope Up With Stress
College Name: IIT Madras

Skills evaluated in this interview

I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Data structures

Interview Preparation Tips

Round: Test
Experience: 3 coding questions.
Tips: Prepare data structures well
Duration: 2 hours
Total Questions: 3

Round: Group Discussion
Experience: 2 coding questions on prem and paper.
Tips: Consider all test cases, provide comments on code
Duration: 1 hour 30 minutes

Round: Technical Interview
Experience: Mostly checked problem solving skills, some questions regarding your project, operating systems
Tips: Be confident, try and get the hints provided

College Name: IIT Madras

I applied via Campus Placement and was interviewed in Jan 2016. There were 5 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. Finding a loop in a directed graph, find the last element in a binary tree
  • Ans. 

    To find a loop in a directed graph, use Floyd's cycle-finding algorithm. To find the last element in a binary tree, traverse the tree and return the rightmost leaf node.

    • For finding a loop in a directed graph, use Floyd's cycle-finding algorithm which uses two pointers moving at different speeds.

    • To find the last element in a binary tree, traverse the tree recursively or iteratively and return the rightmost leaf node.

  • Answered by AI
  • Q2. On circular queue and finding the last number which is highest and contains same number. Of digits a the given numbber
  • Ans. 

    The question is about finding the last number in a circular queue that has the highest number of digits.

    • Implement a circular queue data structure

    • Iterate through the circular queue to find the last number with the highest number of digits

    • Compare the number of digits of each number in the circular queue

    • Keep track of the last number with the highest number of digits

  • Answered by AI
  • Q3. Tell me your passions and what. Is the one thing I want to know about you

Interview Preparation Tips

Round: Test
Experience: Coding round based on logic was given
Tips: Practice coding
Duration: 2 hours
Total Questions: 3

College Name: IIT Madras

Skills evaluated in this interview

I applied via Campus Placement and was interviewed in Dec 2016. There were 6 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Circular queues, binary trees, recursion
  • Q2. Asked about project

Interview Preparation Tips

Round: Test
Experience: 3 very simple questions on hackerrank.
Duration: 1 hour 30 minutes
Total Questions: 3

Round: Group Discussion
Duration: 1 hour

Round: Technical Interview
Experience: Asked me to code up a simple question

College Name: IIT Madras

I applied via Campus Placement and was interviewed in Dec 2016. There was 1 interview round.

Interview Questionnaire 

3 Questions

  • Q1. Binary tree question. Check if left child is less than right child. Recursive and iterative implementation
  • Ans. 

    Check if left child is less than right child in a binary tree

    • Traverse the tree recursively and compare left and right child values

    • Use a stack to traverse the tree iteratively and compare left and right child values

    • Return true if all left children are less than right children, else false

  • Answered by AI
  • Q2. Check if a string is a substring in another string. Discussed speed (not time complexity). not neccessarily always correct but fast
  • Ans. 

    Use built-in string method to check substring presence for faster execution.

    • Use 'indexOf' method to check if substring is present in the main string.

    • If the method returns -1, the substring is not present.

    • If the method returns a non-negative integer, the substring is present.

  • Answered by AI
  • Q3. Maze question. write code on paper in 5 mins. automatically check if function is correct (not testcases)

Interview Preparation Tips

Round: Technical Interview
Tips: Practice writing code on paper

College Name: IIT Madras

Xongl Cloud Interview FAQs

How many rounds are there in Xongl Cloud interview?
Xongl Cloud interview process usually has 2 rounds. The most common rounds in the Xongl Cloud interview process are Coding Test and One-on-one Round.
How to prepare for Xongl Cloud interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Xongl Cloud. The most common topics and skills that interviewers at Xongl Cloud expect are Software Configuration Management, CCTV Monitoring, Client Relationship Management, Digital Marketing and Marketing Campaigns.

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Xongl Cloud Interview Process

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