LEAD School interview experience Real time questions & tips from candidates to crack your interview
SDE - 1
LEAD School
2 rounds | 4 Coding
problems
Selected Interview preparation journey
Journey
I started preparing with DSA and some popular Javascript, Node, React, HTML and CSS interview questions. But before that I completed my Full Stack Web Development course along with DSA from Masai School.
Application story
I completed Full Stack Web Development Course from Masai School. I got this opportunity from their placement cell.
Why selected/rejected for the role?
I had projects. I already had knowledge of the MERN stack. My basics of Javascript were straightforward.
Preparation
Duration: 6 months
Topics: Data Structures, Algorithms, Javascript, React, Frontend, Node
Tip 1: Focus on the basics.
Tip 2: Daily practice Data Structure and Algorithms.
Tip 3: Build Project
Application process
Where: Campus
Eligibility: Any Degree, Basic stack knowledge
Tip 1: Don't put false things and don’t lie.
Tip 2: Don’t copy projects from youtube instead build your own projects.
Interview rounds
01
Round
Medium
Video Call
Duration60 minutes
Interview date15 Jan 2022
Coding problem3
The interview was around 11 PM. The interview was not that much difficult but out of 4 I gave 2 correct answers and 1 was partially correct. The interviewer was also cool.
1. Sort 0 1 2
Easy
22m average time
0/40
Asked in companies
You have been given an integer array/list(ARR) of size 'N'. It only contains 0s, 1s and 2s. Write a solution to sort this array/list.
Note :
Try to solve the problem in 'Single Scan'. ' Single Scan' refers to iterating over the array/list just once or to put it in other words, you will be visiting each element in the array/list just once.
Problem approach
First I told my approach with 2 for loops and complexity was N*2. Then he asked me to optimise. So I came up with two pointer approach which was correct.
2. Technical question
He gave me 4 different async await conditions. Showed some dummy data which was API response and asked me what will be the output in these cases and also asked whether these questions are valid or not.
Problem approach
2 questions were really easy. 1 was moderate and 1 was hard. I verbally told him about possible outcomes. Out of 4, 2.5 were correct.
3. CSS Question
He showed some 2-3 CSS classes with styles in those classes and asked how will element look after adding these classes.
Problem approach
Those were really easy questions. Just styling text or background colour. 1 question was moderate.
02
Round
Easy
Face to Face
Duration30 mins
Interview date16 Jan 2022
Coding problem1
For the first 15 minutes, he asked my personal information. He was the VP of the company and was really friendly and cool.
1. React Question
He gave me one open API which returned a list of countries and asked me to fetch data and show random 10 countries in react.
Problem approach
I fetch countries using javascript fetch and then I was not able to figure out how to generate random numbers between 1 to 10 to show random 10 countries. He told me that I can google this. So I googled that and completed the task.
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
What is recursion?
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