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greytHR Front end Developer Interview Questions and Answers

Updated 5 Nov 2021

greytHR Front end Developer Interview Experiences

1 interview found

I was interviewed in Jul 2021.

Round 1 - Coding Test 

(1 Question)

Round duration - 60 minutes
Round difficulty - Easy

It was a different and unique kind of mcq and coding test that I was gone through. It was like a chat application where Bot was sending some mcq question and I had to select the correct answer, sometimes when my answer goes wrong it gave another chance on the same time. All the mcq questions were based on HTML, CSS and JavaScript. And the last question was a JavaScript coding question in which we have to find the most occurred word in the given sentence.

  • Q1. 

    Most Frequent Non-Banned Word Problem Statement

    Given a paragraph consisting of letters in both lowercase and uppercase, spaces, and punctuation, along with a list of banned words, your task is to find th...

  • Ans. 

    Find the most frequent word in a paragraph that is not in a list of banned words.

    • Split the paragraph into words and convert them to uppercase for case-insensitivity.

    • Count the frequency of each word, excluding banned words.

    • Return the word with the highest frequency in uppercase.

  • Answered by AI
Round 2 - Video Call 

(1 Question)

Round duration - 45 minutes
Round difficulty - Easy

Discussion on Projects that i have specified in my resume and also the interviewer asked question based on JavaScript concept along with few easy kind of DSA problem.

  • Q1. 

    Palindrome String Validation

    Determine if a given string 'S' is a palindrome, considering only alphanumeric characters and ignoring spaces and symbols.

    Note:
    The string 'S' should be evaluated in a case...
  • Ans. 

    Validate if a given string is a palindrome after removing special characters, spaces, and converting to lowercase.

    • Remove special characters and spaces from the input string

    • Convert the string to lowercase

    • Check if the modified string is equal to its reverse to determine if it's a palindrome

  • Answered by AI

Interview Preparation Tips

Eligibility criteria2021 PassoutGreytip Software Pvt. Ltd. interview preparation:Topics to prepare for the interview - Data Structures and Algorithms, JavaScript, ReactJS, HTML/CSS.Time required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

Tip 1 : If currently in college do some development along with the DSA. Some good projects (1-2 is enough) will give your resume higher chances to get shortlisted.
Tip 2 : Be good with your JavaScript skills.
Tip 3 : HTML/CSS should be proficient.

Application resume tips for other job seekers

Tip 1 : Put at least 2 nice projects.
Tip 2 : Should be to the point.

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via LinkedIn and was interviewed in Dec 2023. There was 1 interview round.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Share your experience
  • Q2. How do you handle pressure
Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Jul 2023. There were 3 interview rounds.

Round 1 - Coding Test 

DSA, arrays, Graphs 3 rounds duration 1hr with mcqs

Round 2 - Coding Test 

Advanced Graphs 2 questions mcqs 1hr

Round 3 - Technical 

(1 Question)

  • Q1. Java script and SQL

Interview Preparation Tips

Interview preparation tips for other job seekers - It was average
Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Hackerrank, html, javascript, css

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Sep 2023. There were 3 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 - HR 

(2 Questions)

  • Q1. What is your salary expectation?
  • Q2. What is the big challenge you had in your last job ?
Round 3 - Coding Test 

Two problems in JavaScript to solve

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare so good and do code practice regularly.
Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Medium to hard questions based on arrays, dp

Round 2 - Technical 

(2 Questions)

  • Q1. Quick sort algorithm
  • Ans. 

    Quick sort is a popular sorting algorithm that uses divide and conquer strategy.

    • Divides array into smaller sub-arrays based on a pivot element

    • Recursively sorts sub-arrays

    • Combines sorted sub-arrays to get final sorted array

    • Time complexity: O(n log n) on average, O(n^2) worst case

    • Example: [3, 6, 8, 10, 1, 2, 1] -> [1, 1, 2, 3, 6, 8, 10]

  • Answered by AI
  • Q2. Modified rotate a matrix
  • Ans. 

    Rotate a matrix by 90 degrees in place

    • Transpose the matrix

    • Reverse each row of the transposed matrix

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - study well and at the end, they would not hire anyone

Skills evaluated in this interview

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

I applied via Company Website and was interviewed before Jan 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

Online technical aptitude test

Round 2 - One-on-one 

(1 Question)

  • Q1. Related oops and old company projects

I applied via Campus Placement and was interviewed in Jul 2022. There was 1 interview round.

Round 1 - One-on-one 

(1 Question)

  • Q1. DSA problems on linked list, OOPs in depth programming, design pattens in Java. Some theoretical knowledge on OOPs and design patterns

Interview Preparation Tips

Interview preparation tips for other job seekers - Be strong in basics of OOPs and DSA. Design patterns in Java were asked. All the interviewers were young.

I was interviewed in Oct 2021.

Round 1 - Coding Test 

(3 Questions)

Round duration - 105 minutes
Round difficulty - Medium

There were 3 problems .
One was easy but the other two were of medium level.

  • Q1. 

    Aggressive Cows Problem Statement

    Given an array representing positions of stalls and an integer ‘K’ representing the number of aggressive cows, determine the largest minimum distance between any two cows ...

  • Ans. 

    The problem requires assigning aggressive cows to stalls in a way that maximizes the minimum distance between any two cows.

    • Sort the array of stall positions in ascending order.

    • Use binary search to find the largest minimum distance between cows.

    • Check if it is possible to assign cows with this minimum distance by iterating through the sorted array.

    • If it is possible, update the maximum distance and continue binary search ...

  • Answered by AI
  • Q2. 

    Shortest Path in an Unweighted Graph

    The city of Ninjaland is represented as an unweighted graph with houses and roads. There are 'N' houses numbered 1 to 'N', connected by 'M' bidirectional roads. A road...

  • Ans. 

    The problem is to find the shortest path between two houses in an unweighted graph.

    • The graph represents the city of Ninjaland with houses connected by roads.

    • The input consists of the number of test cases, number of houses and roads, starting and ending house, and the roads between houses.

    • The output is a vector of nodes representing the shortest path from the starting house to the ending house.

    • If there are multiple shor...

  • Answered by AI
  • Q3. 

    Count Set Bits Problem Statement

    Given a positive integer N, compute the total number of '1's in the binary representation of all numbers from 1 to N. Return this count modulo 1e9+7 because the result can...

  • Ans. 

    The task is to count the total number of '1' in the binary representation of all numbers from 1 to N.

    • Convert each number from 1 to N into its binary representation

    • Count the number of '1' bits in each binary representation

    • Sum up the counts of '1' bits for all numbers

    • Return the sum modulo 1e9+7

  • Answered by AI
Round 2 - Video Call 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Easy

The interviewer was very polite and straightforward. 
Firstly he introduced himself and then asked me to introduce myself and then he jumped to the coding problems.
After the coding problems, he asked some questions from the OS and DBMS.

  • Q1. 

    Reverse Words in a String: Problem Statement

    You are given a string of length N. Your task is to reverse the string word by word. The input may contain multiple spaces between words and may have leading o...

  • Ans. 

    The task is to reverse the words in a given string, removing any leading or trailing spaces and replacing multiple spaces between words with a single space.

    • Split the string into words using spaces as delimiters

    • Reverse the order of the words

    • Join the reversed words with a single space between them

    • Remove any leading or trailing spaces

  • Answered by AI
  • Q2. 

    Reverse Linked List in Groups of K

    You are provided with a linked list containing 'N' nodes and an integer 'K'. The task is to reverse the linked list in groups of size K, which means reversing the nodes ...

  • Ans. 

    The task is to reverse a linked list in groups of size K.

    • Iterate through the linked list in groups of size K

    • Reverse each group using a helper function

    • Connect the reversed groups to form the final reversed linked list

  • Answered by AI
Round 3 - Video Call 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Medium

The interviewer was very polite and straightforward, firstly he introduce himself and then ask me to introduce myself and then ask some ques on my projects and then he jumps to the coding problems.

  • Q1. 

    Remove Consecutive Duplicates From String Problem Statement

    Given a string STR consisting of both lower and upper case characters, your task is to remove consecutive duplicate characters from the string a...

  • Ans. 

    The task is to remove consecutive duplicate characters from a given string and return the new string.

    • Iterate through the characters of the string

    • Compare each character with the next character

    • If they are the same, skip the next character

    • If they are different, add the current character to the new string

    • Return the new string

  • Answered by AI
  • Q2. 

    Maximum Path Sum in a Matrix

    Given an N*M matrix filled with integer numbers, determine the maximum sum that can be obtained from a path starting from any cell in the first row to any cell in the last row...

  • Ans. 

    The question asks to find the maximum sum that can be obtained from a path starting from any cell in the first row to any cell in the last row of a given matrix.

    • Iterate through each cell in the first row and calculate the maximum sum path ending at that cell

    • For each cell, calculate the maximum sum path ending at that cell by considering the three possible directions

    • Store the maximum sum path ending at each cell in a se...

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Indian Institute Of Information Technology Sonepat. I applied for the job as SDE - 1 in GurgaonEligibility criteriaAbove 7 CGPA with no backlogs.PeopleStrong interview preparation:Topics to prepare for the interview - Data Structures and Algorithms, DBMS, Operating Systems, Computer Networking, System Design, OOPS.Time required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

Tip 1 : Deep knowledge of the projects mentioned in your resume is a must.
Tip 2 : Practice must do GFG coding questions.
Tip 3 : Practice as many problems as you can from Leetcode.

Application resume tips for other job seekers

Tip 1 : Mention 1 or 2 projects in your resume.
Tip 2 : Don't put false things in your resume.

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Job Fair and was interviewed in Oct 2024. There were 2 interview rounds.

Round 1 - Coding Test 

It was an online test for interview

Round 2 - Technical 

(2 Questions)

  • Q1. Tell me about dijistkras algorithm
  • Ans. 

    Dijkstra's algorithm is a graph search algorithm that finds the shortest path between nodes in a graph.

    • Dijkstra's algorithm uses a priority queue to select the node with the smallest distance from the start node.

    • It maintains a list of tentative distances to each node and updates them as it explores the graph.

    • The algorithm is commonly used in routing and network protocols to find the shortest path between nodes.

    • Example:...

  • Answered by AI
  • Q2. Tell me about your projects

Skills evaluated in this interview

greytHR Interview FAQs

How to prepare for greytHR Front end Developer 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 greytHR. The most common topics and skills that interviewers at greytHR expect are Javascript, Front End, Product Management, Payroll and E - learning.

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