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Lido Learning Software Developer Interview Questions and Answers

Updated 16 Sep 2021

Lido Learning Software Developer Interview Experiences

1 interview found

I appeared for an interview in Nov 2020.

Round 1 - Coding Test 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Easy

  • Q1. 

    Path Queries Problem Statement

    Consider a weighted, undirected graph with 'V' vertices numbered from 1 to 'V' and 'E' bidirectional edges. You are tasked with handling 'Q' queries. For each query, you are...

  • Ans. 

    Implement a function to find the shortest distance between two vertices in a weighted, undirected graph.

    • Use Dijkstra's algorithm to find the shortest path between the given vertices.

    • Create a graph data structure to represent the weighted, undirected graph.

    • Handle cases where no path exists between the given vertices by returning -1.

    • Optimize the algorithm to handle multiple queries efficiently.

    • Consider edge cases such as...

  • Answered by AI
  • Q2. 

    Merge Sort Algorithm Problem Statement

    Your task is to sort a sequence of numbers stored in the array ‘ARR’ in non-descending order using the Merge Sort algorithm.

    Explanation:

    Merge Sort is a divide-an...

  • Ans. 

    Implement Merge Sort algorithm to sort a sequence of numbers in non-descending order.

    • Divide the input array into two halves recursively

    • Sort the two halves separately

    • Merge the sorted halves to produce a fully sorted array

    • Time complexity of Merge Sort is O(n log n)

    • Example: Input - [5, 2, 9, 1, 5], Output - [1, 2, 5, 5, 9]

  • Answered by AI
  • Q3. 

    Rat in a Maze: All Paths Problem

    You are provided with an N * N maze where a rat is positioned at starting cell MAZE[0][0]. The goal is to determine and print all possible paths that the rat can take to r...

  • Ans. 

    Given an N * N maze with binary values, find and print all possible paths for a rat to reach the destination cell.

    • Use backtracking to explore all possible paths from the starting cell to the destination cell.

    • At each cell, check if it is a valid move (within bounds and not blocked), then recursively explore all four directions.

    • Keep track of the path taken so far and mark the cells accordingly.

    • Once the destination cell i...

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Dronacharya College of Engineering. I applied for the job as SDE - 1 in NoidaEligibility criteriaNo criteriaLido Learning interview preparation:Topics to prepare for the interview - Data Structures, Pointers, OOPS, System Design, Algorithms, Dynamic Programming etcTime required to prepare for the interview - 1 monthInterview preparation tips for other job seekers

Tip 1 : Practice Atleast 250 Questions
Tip 2 : Do atleast 2 projects
 

Application resume tips for other job seekers

Tip 1 : Have some projects on resume.
Tip 2 : Do not put false things on resume.

Final outcome of the interviewRejected

Skills evaluated in this interview

Interview questions from similar companies

I applied via Company Website and was interviewed before Sep 2019. There were 5 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Why should we hire you?
  • Q2. Why did you leave your last job?

Interview Preparation Tips

Interview preparation tips for other job seekers - My advice is just be honest and rest all will be fine.

I applied via Campus Placement and was interviewed in Aug 2022. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Coding Test 

2 coding questions with aptitude question(logical aptitude and quantitative aptitude)

Round 3 - Coding Test 

This was a Machine Coding. We need to design a system and then they will check our design by running test cases. It was 2.5 hrs long.

Round 4 - One-on-one 

(2 Questions)

  • Q1. Basic questions on computer core subjects(Deadlock, Networking, Tcp connection, process scheduling etc, DNS Lookup etc)
  • Q2. Questions on React, Node and the libraries which I used in my project(My project was a full stack project)

Interview Preparation Tips

Topics to prepare for BrightCHAMPS Software Developer interview:
  • Computer Networking
  • Operating Systems
  • Database Management
  • React.Js
  • Data Structures
Interview preparation tips for other job seekers - Prepare your resume well and be prepared for project based questions. ( They will deep dive in that subject). Besides that have a basic understanding of core cs subjects and common dsa problems.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Basic coding and MySQL queries. Like Types of join, having and where difference etc.

Round 2 - HR 

(1 Question)

  • Q1. Salary Discussion.
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What is OOPS concepts.
  • Ans. 

    OOPS concepts refer to Object-Oriented Programming principles like inheritance, encapsulation, polymorphism, and abstraction.

    • Inheritance: Allows a class to inherit properties and behavior from another class.

    • Encapsulation: Bundling data and methods that operate on the data into a single unit.

    • Polymorphism: Ability to present the same interface for different data types.

    • Abstraction: Hiding the complex implementation detail

  • Answered by AI
  • Q2. What is PDO and uses in PHP.
  • Ans. 

    PDO stands for PHP Data Objects, a database access layer providing a uniform method of access to multiple databases.

    • PDO is a PHP extension that provides a data-access abstraction layer.

    • It supports multiple database systems like MySQL, PostgreSQL, SQLite, etc.

    • PDO helps prevent SQL injection attacks by using prepared statements.

    • It allows for error handling and supports transactions.

    • Example: $pdo = new PDO('mysql:host=loc...

  • Answered by AI

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(2 Questions)

  • Q1. No any interview
  • Q2. It's aptitude test only

Interview Preparation Tips

Interview preparation tips for other job seekers - .Be prepared

Software Developer Interview Questions & Answers

Chegg user image Yashwant Panchal

posted on 21 Nov 2024

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Question on Linked list. array and string manipulation.

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-

I applied via Job Portal

Round 1 - Coding Test 

Medium to hard level DSA from leetcode

Round 2 - Coding Test 

Medium to hard level DSA from leetcode

Round 3 - HR 

(1 Question)

  • Q1. General HR questions.

Interview Preparation Tips

Interview preparation tips for other job seekers - Just be good at problem solving.
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Basic numeric ability and reasoning

Round 2 - Coding Test 

Easy to medium level problems of dsa

Round 3 - One-on-one 

(1 Question)

  • Q1. It was one and a half hour long round basically what ever your have written down on your resume they will ask you
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Recruitment Consulltant and was interviewed in Jun 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

Number system,30 min duration

Round 2 - Technical 

(2 Questions)

  • Q1. What is promises
  • Ans. 

    Promises are objects representing the eventual completion or failure of an asynchronous operation.

    • Promises are used in JavaScript to handle asynchronous operations.

    • They can be in one of three states: pending, fulfilled, or rejected.

    • Promises can be chained together using .then() to handle success or failure.

    • They help avoid callback hell and make asynchronous code more readable.

    • Example: const myPromise = new Promise((res

  • Answered by AI
  • Q2. What is html and css
  • Ans. 

    HTML and CSS are languages used for creating and styling web pages.

    • HTML (Hypertext Markup Language) is used for structuring content on a web page.

    • CSS (Cascading Style Sheets) is used for styling the appearance of the content.

    • HTML uses tags to define elements like headings, paragraphs, images, and links.

    • CSS allows for customization of colors, fonts, layouts, and more.

    • Both HTML and CSS are essential for creating visually

  • Answered by AI

Skills evaluated in this interview

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Lido Learning Software Developer Salary
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69% more than the average Software Developer Salary in India
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