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HP India Software Developer Intern Interview Questions and Answers

Updated 16 Jul 2024

HP India Software Developer Intern Interview Experiences

2 interviews found

Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
-

I applied via Campus Placement

Round 1 - Aptitude Test 

It was in hirepro platform

Round 2 - Technical 

(2 Questions)

  • Q1. About the data structure
  • Q2. Implementation of doubley linked list
  • Ans. 

    A doubly linked list is a data structure that consists of nodes where each node has a reference to the next and previous node.

    • Nodes contain data and two pointers: one to the next node and one to the previous node

    • Insertion and deletion operations require updating the pointers of adjacent nodes

    • Traversal can be done in both directions starting from the head or tail node

  • Answered by AI

Skills evaluated in this interview

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

I applied via Campus Placement and was interviewed before Apr 2023. There were 3 interview rounds.

Round 1 - Aptitude Test 

Fundamentals of computer science and programming language

Round 2 - Coding Test 

Medium level logical programming questions

Round 3 - Technical 

(1 Question)

  • Q1. Technical discussion with manager

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Interview questions from similar companies

I applied via Recruitment Consultant and was interviewed before Jul 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. DS Algo Questions on Trees. Leadership Principles

Interview Preparation Tips

Interview preparation tips for other job seekers - Read up on DS Algo and white paper coding and Leadership Principles

I was interviewed before Sep 2020.

Round 1 - Coding Test 

Round duration - 60 minutes
Round difficulty - Easy

Round 2 - Face to Face 

Round duration - 50 minutes
Round difficulty - Easy

Round 3 - Face to Face 

Round duration - 60 minutes
Round difficulty - Easy

At the beginning of this round, the interviewer asked me about the data structures I knew. Linked lists, trees, graphs, arrays etc. was my answer. He asked me how well I knew Dynamic Programming. I said I wasn’t strong in that and he said that he would ask me a question on dynamic programming for sure.

Round 4 - Face to Face 

Round duration - 40 minutes
Round difficulty - Easy

 

The interviewer asked me if I was comfortable with the interview process so far and how the previous interviews were. I said it was good and he gave me the first problem to solve.

Round 5 - Face to Face 

(1 Question)

Round duration - 60 minutes
Round difficulty - Easy

The interviewer asked me some Com­puter Sci­ence‍ fundamentals in this round as well as some behavioural questions.

  • Q1. Implement a Trie data structure and write functions to insert and search for a few words in it.
  • Ans. 

    Implement a Trie data structure with insert and search functions.

    • Create a TrieNode class with children and isEndOfWord attributes.

    • Implement insert function to add words by iterating through characters.

    • Implement search function to check if a word exists by traversing the Trie.

    • Example: Insert 'apple', 'banana', 'orange' and search for 'apple' and 'grape'.

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in HyderabadEligibility criteria 7 CGPA Amazon interview preparation:Topics to prepare for the interview - Data Structures and Algorithms, Operating System, Database Management System, Object-Oriented Programming SystemTime required to prepare for the interview - 8 monthsInterview preparation tips for other job seekers

Do lot of hard work and practice of  Data Structures and Algorithms based questions. I personally recommend you Coding Ninjas and Geeks For Geeks for interview preparation.

Application resume tips for other job seekers

Make your resume short and try to make it of one page only and do mention all your skills which you are confident of in your resume.

Final outcome of the interviewSelected

Skills evaluated in this interview

I was interviewed in Aug 2017.

Interview Questionnaire 

7 Questions

  • Q1. Implement Merge Sort.
  • Ans. 

    Merge Sort is a divide and conquer algorithm that sorts an array by dividing it into two halves, sorting them separately, and then merging the sorted halves.

    • Divide the array into two halves

    • Recursively sort the two halves

    • Merge the sorted halves

  • Answered by AI
  • Q2. Given a BST containing distinct integers, and a number ‘X’, find all pairs of integers in the BST whose sum is equal to ‘X’.
  • Ans. 

    Find pairs of integers in a BST whose sum is equal to a given number.

    • Traverse the BST and store the values in a hash set.

    • For each node, check if (X - node.value) exists in the hash set.

    • If yes, add the pair (node.value, X - node.value) to the result.

    • Continue traversal until all nodes are processed.

  • Answered by AI
  • Q3. Given a set of time intervals in any order, merge all overlapping intervals into one and output the result which should have only mutually exclusive intervals.
  • Ans. 

    Merge overlapping time intervals into mutually exclusive intervals.

    • Sort the intervals based on their start time.

    • Iterate through the intervals and merge overlapping intervals.

    • Output the mutually exclusive intervals.

    • Example: [(1,3), (2,6), (8,10), (15,18)] -> [(1,6), (8,10), (15,18)]

  • Answered by AI
  • Q4. What are the different types of hashing? Suggest an alternative and a better way for Linear Chaining.
  • Ans. 

    Different types of hashing and alternative for Linear Chaining

    • Different types of hashing include division, multiplication, and universal hashing

    • Alternative for Linear Chaining is Open Addressing

    • Open Addressing includes Linear Probing, Quadratic Probing, and Double Hashing

  • Answered by AI
  • Q5. Implement AVL Tree.
  • Ans. 

    An AVL tree is a self-balancing binary search tree where the heights of the left and right subtrees differ by at most one.

    • AVL tree is a binary search tree with additional balance factor for each node.

    • The balance factor is the difference between the heights of the left and right subtrees.

    • Insertion and deletion operations in AVL tree maintain the balance factor to ensure the tree remains balanced.

    • Rotations are performed ...

  • Answered by AI
  • Q6. Minimum number of squares whose sum equals to given number n.
  • Ans. 

    Find the minimum number of squares whose sum equals to a given number n.

    • Use dynamic programming to solve the problem efficiently.

    • Start with finding the square root of n and check if it is a perfect square.

    • If not, then try to find the minimum number of squares required for the remaining number.

    • Repeat the process until the remaining number becomes 0.

    • Return the minimum number of squares required for the given number n.

  • Answered by AI
  • Q7. Insertion sort for a singly linked list.
  • Ans. 

    Insertion sort for a singly linked list.

    • Traverse the list and compare each node with the previous nodes

    • If the current node is smaller, swap it with the previous node

    • Repeat until the end of the list is reached

    • Time complexity is O(n^2)

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: There were 2 coding questions (no penalty for wrong submission) and 20 Multiple Choice Questions(with negative marking). We were given 90 minutes to solve them. MCQs were based on Data Structures, OS, CN, C outputs, OOP etc.
Tips: Experience in Competitive Programming might help in solving coding questions. No constraints were mentioned and detailed Instructions related to problem were stated vaguely. So code carefully.
Duration: 1 hour 30 minutes
Total Questions: 22

Round: Technical Interview
Experience: The interviewer asked me to introduce myself and a brief introduction of the projects that I have done. She first asked me questions related to my project. After that she moved on to the data structures part.
Tips: Take your time to approach the problems and if the question is not clear ask the interviewer to explain it again.

Round: Technical Interview
Experience: The interviewer asked me about how my previous round went. After that, he asked me to introduce myself and a brief introduction of the projects that I have done. He first asked me a few questions related to my project. Then he moved on to the data structures part. In this round the interviewer gave me strict time limit for coding the solution on paper for each problem and as soon as I was done coding he gave me 2-3 minutes every time to find errors and debug my code.
Tips: Do not panic even if the interviewer sets time limit while solving problems. If the question is not clear ask the interviewer to explain it again.

College Name: The LNM Institute Of Information Technology, Jaipur

Skills evaluated in this interview

I was interviewed before May 2021.

Round 1 - Coding Test 

Round duration - 90 minutes
Round difficulty - Medium

 Around 65-70 people sat for the test. 15 people were shortlisted. It consisted of the following to be done in 90 minutes.

- 28 MCQs based on core CS 

- 2 Coding questions – everyone had different and random questions. Most questions were custom logic based (easy level) including some standard questions – LCS, LIS, topological sort.

Round 2 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Interviewer was very friendly. It started with the standard – tell me about yourself / introduce yourself type of question. Then he proceeded and asked two coding questions

  • Q1. 

    Remove Duplicates from a Sorted Linked List

    Your friend has homework to complete. Help him by removing duplicates from a sorted linked list.

    You are given the 'Head' of a sorted linked list. Modify the l...

  • Ans. 

    Remove duplicates from a sorted linked list without adjacent duplicates.

    • Traverse the linked list while comparing current and next nodes.

    • If they are equal, skip the next node by updating the current node's next pointer.

    • Repeat until the end of the list is reached.

  • Answered by AI
  • Q2. 

    Course Schedule Problem Statement

    You are enrolled as a student and must complete N courses, numbered from 1 to N, to earn your degree.

    Some courses have prerequisites, which means that to take course i,...

  • Ans. 

    Check if it is feasible to complete all courses with prerequisites.

    • Create a graph representing the prerequisites with courses as nodes and edges as prerequisites.

    • Perform a topological sort on the graph to check if there is a cycle (if there is, then it's not feasible to complete all courses).

    • If there is no cycle, then it is feasible to complete all courses.

  • Answered by AI
Round 3 - Face to Face 

(1 Question)

Round duration - 60 minutes
Round difficulty - Medium

This round had only 1 question. The interviewer introduced himself. And he advised me to clearly understand the problem before proceeding.

  • Q1. 

    LCA of Binary Tree Problem Statement

    You are given a binary tree of distinct integers, along with two nodes, ‘X’ and ‘Y’. Your task is to determine the Lowest Common Ancestor (LCA) of ‘X’ and ‘Y’.

    The LC...

  • Ans. 

    Find the Lowest Common Ancestor of two nodes in a binary tree.

    • Traverse the binary tree to find the paths from the root to nodes X and Y.

    • Compare the paths to find the last common node, which is the Lowest Common Ancestor.

    • Implement a recursive function to efficiently find the LCA.

    • Handle cases where one node is an ancestor of the other.

    • Consider edge cases like when X or Y is the root node.

  • Answered by AI
Round 4 - Face to Face 

(4 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Pretty Good Round. Fast Paced. We covered a lot of ground.

  • Q1. 

    Binary Search Tree Iterator Problem Statement

    Design and implement a class BSTIterator to perform an in-order traversal over a Binary Search Tree (BST). Your implementation should include the following me...

  • Ans. 

    Design and implement a class BSTIterator to perform in-order traversal over a Binary Search Tree (BST).

    • Implement a parameterized constructor to initialize the iterator with the root of the BST.

    • Implement a method 'next()' to return the next smallest element in in-order traversal.

    • Implement a method 'hasNext()' to check if there exists a next smallest element in traversal.

    • Ensure the output is the in-order traversal of the

  • Answered by AI
  • Q2. 

    Maximum Consecutive Ones Problem Statement

    Given a binary array 'ARR' of size 'N', your task is to determine the maximum length of a sequence consisting solely of 1’s that can be obtained by converting at...

  • Ans. 

    Find the maximum length of a sequence of 1's by converting at most K zeroes into ones in a binary array.

    • Iterate through the array and keep track of the current window of 1's and zeroes.

    • Use a sliding window approach to find the maximum length of consecutive 1's by flipping at most K zeroes.

    • Update the window based on the number of zeroes flipped and keep track of the maximum length found so far.

    • Return the maximum length ...

  • Answered by AI
  • Q3. 

    BFS in Graph Problem Statement

    You are given an undirected and disconnected graph G(V, E) having V vertices numbered from 0 to V-1 and E edges. Your task is to print its BFS traversal starting from the 0t...

  • Ans. 

    BFS traversal of an undirected and disconnected graph starting from vertex 0.

    • Start BFS traversal from vertex 0 and visit all connected nodes in sorted order.

    • Use a queue to keep track of nodes to visit next.

    • Keep a visited array to avoid revisiting nodes.

    • Print the BFS traversal path as the nodes are visited.

    • Example: For input V=5, E=4 and edges 0-1, 0-2, 1-3, 2-4, the BFS traversal will be [0, 1, 2, 3, 4].

  • Answered by AI
  • Q4. 

    Dijkstra's Shortest Path Problem Statement

    Given an undirected graph with V vertices (labeled 0, 1, ..., V-1) and E edges, each edge connects two nodes X and Y with a specified weight representing the dis...

  • Ans. 

    Dijkstra's algorithm is used to find the shortest path distance from a source node to all other nodes in an undirected graph.

    • Implement Dijkstra's algorithm to find the shortest path distance from node 0 to all other nodes in the graph.

    • Use a priority queue to efficiently select the next node with the shortest distance.

    • Initialize distances to all nodes as infinity, except for the source node which is 0.

    • Update distances t...

  • Answered by AI
Round 5 - Face to Face 

(1 Question)

Round duration - 60 minutes
Round difficulty - Hard

Bar Raised Round. Definitely felt the difficulty.

  • Q1. 

    First Non-Repeating Character Problem Statement

    You are given a string consisting of English alphabet characters. Your task is to identify and return the first character in the string that does not repeat...

  • Ans. 

    Identify and return the first non-repeating character in a string, or the first character if all characters repeat.

    • Iterate through the string to count the frequency of each character

    • Iterate through the string again to find the first character with frequency 1

    • If no such character is found, return the first character of the string

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in BangaloreEligibility criteriaNo criteriaAmazon interview preparation:Topics to prepare for the interview - Linked Lists, Trees, BFS, DFS, Backtracking, Graphs.Time required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

Tip 1 : Practice at least 250 Questions, Give yourself enough time for preparation. Cramming won't take you very far. In books, I really liked Elements of Programming Interviews. 
Tip 2 : Make sure to brush up your basics - coding style, OOPs, Language features. They help in making an impression.
Tip 3 : Don't worry about solving the question in the interview. Learn to tackle any random problem with the best of your ability. More often than not, that'd be enough.

Application resume tips for other job seekers

Tip 1 : Keep your resume clean - no graphics, no multiple fonts. Keep it one page.
Tip 2 : Don't go over board in mentioning skills, only mention the things you are truly confident about.

Final outcome of the interviewSelected

Skills evaluated in this interview

I was interviewed before Sep 2020.

Round 1 - Coding Test 

(1 Question)

Round duration - 90 minutes
Round difficulty - Easy

This was MCQ+Coding round.

  • Q1. How can you check if two strings are anagrams of each other?
  • Ans. 

    Check if two strings are anagrams by comparing the sorted versions of the strings.

    • Sort both strings and compare if they are equal.

    • Use a hashmap to store the frequency of characters in each string and compare the maps.

    • Ignore spaces and punctuation when comparing the strings.

  • Answered by AI
Round 2 - Face to Face 

Round duration - 90 minutes
Round difficulty - Easy

This was face to face interview round.

Round 3 - Face to Face 

Round duration - 90 minutes
Round difficulty - Easy

This was face to face interview round.

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from National Institute Of Technology, Silchar, Assam. I applied for the job as SDE - 1 in SiddharthnagarEligibility criteria6 CGPAAmazon interview preparation:Topics to prepare for the interview - Basic Computer Science backgroundTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

Tip 1 : Participate in live contests on websites like Codechef, Codeforces etc as much as possible.
Tip 2 : Practice previous interview questions from LeetCode, GeeksForGeeks.
Tip 3 : Revise Computer Science subjects like DBMS, OOPS thoroughly.

Application resume tips for other job seekers

Add projects and Internships if you have done any and add only those things which you really know.

Final outcome of the interviewSelected

Skills evaluated in this interview

I was interviewed before Sep 2020.

Round 1 - Coding Test 

(1 Question)

Round duration - 90 Minutes
Round difficulty - Medium

Interview started at 11:00 am. It was an online round. During the coding round I submitted optimized solution and got full acceptance of the solutions.

  • Q1. 

    Detect Cycle in a Directed Graph

    You are provided with a directed graph composed of 'N' nodes. You have a matrix called 'EDGES' with dimensions M x 2, which specifies the 'M' edges in the graph. Each edge...

  • Ans. 

    Detect cycle in a directed graph using depth-first search (DFS) algorithm.

    • Use DFS to traverse the graph and detect back edges indicating a cycle.

    • Maintain a visited array to keep track of visited nodes during traversal.

    • If a node is visited again during traversal and it is not the parent node, then a cycle exists.

    • Return true if a cycle is detected, false otherwise.

  • Answered by AI
Round 2 - Face to Face 

(1 Question)

Round duration - 80 Minutes
Round difficulty - Medium

Interview started at 10:00 am. Interview went well, I was able to connect with the interviewer and enjoyed the whole interview

  • Q1. 

    Next Smallest Palindrome Problem Statement

    Find the next smallest palindrome strictly greater than a given number 'N' represented as a string 'S'.

    Explanation:

    You are given a number in string format, a...

  • Ans. 

    Find the next smallest palindrome greater than a given number represented as a string.

    • Convert the string to an integer, find the next greater palindrome, and convert it back to a string.

    • Handle cases where the number is a palindrome or has all digits as '9'.

    • Consider both odd and even length numbers when finding the next palindrome.

  • Answered by AI
Round 3 - Face to Face 

(1 Question)

Round duration - 80 Minutes
Round difficulty - Medium

Interview started at 11:00 am. Interview went well.

  • Q1. 

    Boundary Traversal of a Binary Tree

    Given a binary tree of integers, your task is to return the boundary nodes of the tree in Anti-Clockwise direction starting from the root node.

    Input:

    The first line ...
  • Ans. 

    Return the boundary nodes of a binary tree in Anti-Clockwise direction starting from the root node.

    • Traverse the left boundary nodes in a top-down manner

    • Traverse the leaf nodes from left to right

    • Traverse the right boundary nodes in a bottom-up manner

    • Handle cases where duplicates occur in the boundary nodes

    • Implement the function without printing as printing is already managed

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaGood knowledge of Data Structures, Some great projects which are used by the usersAmazon interview preparation:Topics to prepare for the interview - Data Structures, Web development, System Design, Algorithms, Dynamic Programming, Database, OS, Networking, OOPS, DevOpsTime required to prepare for the interview - 8 monthsInterview preparation tips for other job seekers

Tip 1 : For Data Structures number of questions doesn't matter. Try to understand the logic behind them and try to apply them in creating multiple scenario's. Learn them by heart. 
Tip 2 : For Web.Development Try to learn full stack development. See which part interests you more, Increase your knowledge horizon, Always try to build a system a system considering It will be served to millions of customers. By doing this 1-2 projects will increase and cover all the major things which one should learn in their career/college.

Application resume tips for other job seekers

Tip 1 : Always try to make it a single page 
Tip 2 : Always make resume company specific. eg. Data Structures part more if you are applying for MNC's eg. Amazon, Google, DE Shaw, browserstack.

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview Preparation Tips

Round: Resume Shortlist
Experience: I had sent my resume to the hiring group, Selection through telephonic interviews. I was interviewed by three different research groups  (once by each).
Tips: Factors in decreasing order of importance: CGPA each stage. Ability to explain your projects precisely. Ability to solve ''standard" logarithmic problems.  The way you think and put down your Answer is the most important. The final answer .s not so I important, and they prod you when you think out aloud anyway.

Round: Technical Interview
Experience: Almost- by default they ask about your previous projects/internships if they are relevant to the group. Ofher questions depend on the group you are interviewed by and your own profile, In my case it was machine learning, text mining etc. I was told about the research problem they were dealing with then and asked f or comments/suggestions/.inputs and a discussion followed.
Tips: Basically these are specialized Interviews so it's good to have sound knowledge of your domain (analytical and application skills are very much required).

Skill Tips: CGPA>9.0, 1f not (like me) relevant work done in the domain and in past internship.A recommendation from the professor is also a good add on.
College Name: IIT Madras

Interview Preparation Tips

Round: Test
Experience: There was an apititude test basically in line with CAT pattern. It was conducted online for about 45 min duration. The questions were rather simple but each question was time bound (around 45 sec or so).
Tips: As such I did not have any structured study plan. I did refresh some of my basics in mechanics and analysis. I was more inclined to get a job in aerospace division. Read as per your interest.
Duration: 45 minutes

Round: Group Discussion
Experience: Initially, we are seated randomly in a circular manner and each one was given two minutes to describe the topic. It was followed by an tense debate where participants converged and diverged on different sets of issue. They were particularly looking for interpersonal skills and out of the box thinking.

Round: Interview
Experience: The interview was purely management type.More questions were thrown at team building, bio-data, why this company? , project, what you Can contribute for the firm?, where you see yourself in next 5 -10 years, ambitions, some amount of optimization tools and techniques, concluding remarks....Interpersonal skills and clarity in answering where mainly
IBM was a more relaxed interview, which basically dealt with management and interpersonal skills. Questions like “if one of our team mate is very stubborn, lazy, adamant, how will you tackle the situation” were asked.
Tips: College (B Tech) curricular activities, NTSC certificate, Math Olympiad certificate, all India quiz competition awards were noted and appreciated. That really was a booster. That helps in implanting an idea that you are not just blah blah blah.

Skill Tips: Be very sure about your mechanics, analysis and design. These three are the fundamentals.
I haven prepared for placements exclusively. Here were combined discussions. However, it really helps if you can revise and make your fundamentals were clear. The basic understanding should be there. An hour every day for two months will do the trick.
Be really choosy of the company you want to be in. Learn a lot more of the company and get an idea of what they are actually looking for. But still don’t freeze your mind to those realms alone.. Be open minded and cheerful. The first few questions will set the mood of the interview. If you are bale to crack that, then things will be really smooth. Really concentrate on your fundamentals, especially analysis and design.
Skills: Mechanics, Analysis , Design
College Name: IIT-Madras

HP India Interview FAQs

How many rounds are there in HP India Software Developer Intern interview?
HP India interview process usually has 2-3 rounds. The most common rounds in the HP India interview process are Aptitude Test, Technical and Coding Test.
What are the top questions asked in HP India Software Developer Intern interview?

Some of the top questions asked at the HP India Software Developer Intern interview -

  1. Implementation of doubley linked l...read more
  2. About the data struct...read more

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HP India Software Developer Intern Interview Process

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Interview experience

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