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Whole Foods Market Software Developer Intern Interview Questions and Answers
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CodingNinjas
I was interviewed before Dec 2020.
2 Interview Rounds
Coding Test Round (3 Questions)
Round duration - 90 minutes
Round difficulty - Medium
It consist three question - first que is of related to tree and i gave difficulty level of this question as hard. second que is of based on logical and reasoning , it is medium level question and third que can be done by map and it is also medium level que.
In codility platform we are not able to see hidden test cases whether it is satisfied or not . we just have to submit after passing sample testcases.
- Q1. Minimum number of swaps required to sort an array You have been given an array 'ARR' of 'N' distinct elements. Your task is to find the minimum ...read more View Answers (2)
- Q2. Maximum sum of non-adjacent elements You are given an array/list of ‘N’ integers. You are supposed to return the maximum sum of the subsequence with the constra...read more View Answers (3)
- Q3. Left View Of Binary Tree Given a binary tree. Print the Left View of the Tree. Example : If the input tree is as depicted in the picture: The Left View of the t...read more View Answers (2)
Video Call Round (1 Question)
Round duration - 30 minutes
Round difficulty - Medium
basically this round is just same as HR round . they asked me behavioural questions and about my projects , hackathon. the timing is mid noon and interviewer is supportive , it makes first comfortable then start questioning . for this round i suggest be honest , don't just express your qualities but trying to show them by your skills and work.
- Q1. Basic HR Questions
Who is your role model?
Why do you want to join the company?
Add Answer
Interview Preparation Tips
Tip 1 : all we know focus on ds and algorithms is must but how should we prepare ? so , the answer is read concepts and then practice question topic wise or company wise in gfg.
Tip 2 : do focus on cp it is must to clear very first coding round. Also many of them do cp but in their comfort zone that means those question from which they have good hold but i say this would not give any benefit . so , solve que out of comfort zone , which takes time but is is most efficient way.
Tip 3 : Also balance between cp and projects is must.
Tip 1 : it is crisp . for ex - you have a good knowledge on java, cpp , c , python . and lets say you have basic knowledge of html,css then don't mention these subjects.
Tip 2 : Achievements should be in reverse chronological order like first focus on college achievements , then on school.
Tip 3 : i saw like many of them made just one resume and use for all , but i suggest each time made resume according to post you apply for and in which company. which increases your chances in shortlisted candidates.
Skills evaluated in this interview
Anonymous
3 Interview Rounds
Coding Test Round
Basic logical pogrmaminh
Assignment Round
Smaall cart mabnagenebt system i have to built from scratch in laravel
One-on-one Round (2 Questions)
- Q1. Technical question about technologies Add Answer
- Q2. Negaotiation ha done in this Add Answer
1 Interview Round
Technical Round (2 Questions)
- Q1. Sort an array in O(nlogn) View Answers (1)
- Q2. Find element in sorted Array View Answers (1)
Skills evaluated in this interview
1 Interview Round
Technical Round (2 Questions)
- Q1. What is Indexing in Mysql View Answers (1)
- Q2. Opps concepts in php View Answers (1)
Skills evaluated in this interview
stark S
I applied via Walk-in and was interviewed in Aug 2023.
2 Interview Rounds
Aptitude Test Round
Good and easy questions were asked
HR Round (2 Questions)
- Q1. Tell me about yourself Add Answer
- Q2. Technical questions Add Answer
Selected
I applied via Recruitment Consulltant and was interviewed before Nov 2022.
4 Interview Rounds
Resume Shortlist Round
Technical Round (2 Questions)
- Q1. Oracle security Add Answer
- Q2. Oracle security architecture Add Answer
Technical Round (1 Question)
- Q1. Oracle security depth Add Answer
HR Round (1 Question)
- Q1. About myself and package Add Answer
I was interviewed before Sep 2020.
4 Interview Rounds
Coding Test Round (3 Questions)
Round duration - 120 minutes
Round difficulty - Easy
It consisted of 3 coding questions which were purely based on Data Structures and Algorithms.
Question 1 - Find the length of the longest switching sub-array. An array is called switching if all numbers in even positions are equal and all numbers in odd positions are equal.
Question 2 - It was a long passage question on Dynamic Programming but the solution was really easy.
Question 3 - Given a string S consisting of N lowercase letters, return the minimum number of letters that must be deleted to obtain a word in which every letter occurs a unique number of times. Ex - "aaaabbbb" should return 1, as when we delete 1 a or 1 b , a and b will have different frequencies.
The major point to note in the coding round was that they did not have any time or space limit, so brute force solutions were also accepted.
The result of my test was declared just as the test ended and I scored a 100%, but they took a long time to release the final shortlist. There was a gap of about a week between the test and interviews.
- Q1. Find the length of the longest switching sub-array. An array is called switching if all numbers in even positions are equal and all numbers in odd positions are...read more View Answers (3)
- Q2. Chips at Casino Given two integer N and K representing number of chips a person has and the number of chips he can use at max at a time, return the minimum numb...read more View Answers (1)
- Q3. Given a string S consisting of N lowercase letters, return the minimum number of letters that must be deleted to obtain a word in which every letter occurs a un...read more View Answers (2)
HR Round
Round duration - 40 minutes
Round difficulty - Easy
Amex came for two profiles - Tech Role and Analyst, 19 and 23 people respectively were shortlisted for the interviews. Fortunately, I was shortlisted for both the roles. I was asked basic question of C++ and it was majorly an HR Round
Telephonic Call Round (4 Questions)
Round duration - 20 minutes
Round difficulty - Easy
It was a fairly simple round conssting of 5 - 6 questions related to coding, puzzles and me.
What are your interests?
What projects have you done and your field of interest?
- Q1. Q1. How many stacks are used to implement a queue. View Answers (1)
- Q2. Q2. What is the difference between a reference and a pointer? Explain with an example. View Answers (1)
- Q3. There is a bulb in a room, you are outside the room and there are 3 switches, what is the minimum number of times you need to open the door to know to which swi...read more View Answers (1)
- Q4. You are given a number if the number is positive, then if n is divisible by 3, print “GO” if n is divisible by 5, print “SLEEP” , if n is divisible by both 3 an...read more View Answers (1)
Face to Face Round (2 Questions)
Round duration - 50 minutes
Round difficulty - Easy
This round was purely technical
No introduction was done, straight to the point
My preference was the Tech Role, so as I was selected in this, I never had to give interviews for the Analyst role. In total 5 people were selected in the Analyst profile and 4 in the Tech profile.
In the end, I was offered a 6 months internship at Amex.
- Q1. Given a linked list of characters, tell if it is a palindrome linked list or not. You are given a singly Linked List of integers. Your task is to return true if...read more View Answers (5)
- Q2. You are given a student table and a course table with primary keys -> roll number and course_id in each respectively. Since we know that a student can enroll in...read more View Answers (1)
Interview Preparation Tips
Tip 1 : Do practice a lot of data structures from renowned websites like LeetCode and also from CodeZen
Tip 2 : In your introduction, when asked, you just need to tell your life story.
Tip 3 : Maintain eye contact with the interviewers and clarify every details about the question before proceeding to the solution
Tip 1: Add most recent and relevant projects only
Tip 2: you should know each and everything written on your resume
Skills evaluated in this interview
I was interviewed before Sep 2020.
4 Interview Rounds
Coding Test Round (2 Questions)
Round duration - 120 minutes
Round difficulty - Easy
The coding round was at 11 am in the morning. The questions were of medium level. The questions were purely based on Data Structures and Algorithms.
- Q1. Sliding Maximum You are given an array 'ARR' of integers of length 'N' and a positive integer 'K'. You need to find the maximum elements...read more View Answers (3)
- Q2. Longest Sub-string with at most K Distinct Characters You are given string S of length N, and an integer K. Your task is to find the length of the longest subst...read more View Answers (4)
Face to Face Round (1 Question)
Round duration - 45 minutes
Round difficulty - Easy
I was selected for the interview. The interview was conducted early in the morning at 10 am. The interviewer was very friendly and calm.
- Q1. Technical Questions 1. Tell in detail about your one project. 2. Questions related to the project were followed, such as what challenges I faced during th...read more Add Answer
Telephonic Call Round (2 Questions)
Round duration - 30 minutes
Round difficulty - Easy
This round was a mix of technical, puzzles and HR. The interview was fairly easy, The interviewer asked for my introduction and continued with the interview then.
- Q1. Stack using queue Implement a Stack Data Structure specifically to store integer data using two Queues. There should be two data members, both being Queues to s...read more View Answers (3)
- Q2. Puzzle There is a room with a door (closed) and three light bulbs. Outside the room, there are three switches, connected to the bulbs. You may manipulate the sw...read more View Answers (1)
Telephonic Call Round (3 Questions)
Round duration - 45 minutes
Round difficulty - Easy
This was the last round for getting selected as an intern. However, this was a pure technical round. Only coding questions were asked. Also, at the end he asked me the question, Why American express?
- Q1. Detect and Remove Loop Given a singly linked list, you have to detect the loop and remove the loop from the linked list, if present. You have to make changes in...read more View Answers (4)
- Q2. DBMS Questions
Explain Natural Join, Cross Join, Right Outer and Left Outer Join with diagrams. Also write queries using GROUP BY and HAVING.
Add Answer - Q3. Interval List Intersection You have been given two sorted arrays/lists of closed intervals ‘INTERVAL1’ and ‘INTERVAL2’. A closed interval [x, y] with x < y d...read more View Answers (1)
Interview Preparation Tips
Tip 1 : Have confidence in Data Structures and Algorithms. Have your concepts very clear and then pick one coding platform( leetcode, InterviewBit, CodeZen, GeeksForGeeks) and try to practice around 7-10 questions everyday with varying difficulty and different topics.Also solving questions is not enough, try to optimize it. Analyze its space and time complexities.
Tip 2 : Study properly about OOPS concepts. Coding Ninja's Data Structures and Algorithms course is great for preparing the OOPS concepts specifically. For OS and DBMS refer to your college notes and GeekForGeeks articles.
Tip 3 : Keep participating in coding contests. It helps you increase your problem solving skills.
Tip 1 : Add those skills, projects and achievements which are relevant to your role.
Tip 2 : Do not fake any skills, projects or achievements.
Tip 3 : You do need to have a several number of projects. 1 good project with good knowledge of it will also do fine. The similar rule goes for skills also.
Tip 4 : Try to write achievements which proves your technical skills, leadership quality, communication skills or teamwork.
Skills evaluated in this interview
I was interviewed before Nov 2020.
1 Interview Round
Technical Round (1 Question)
- Q1. Travelling Salesman Problem Given a list of cities numbered from 0 to N-1 and a matrix 'DISTANCE' consisting of 'N' rows and 'N' columns...read more View Answers (2)
Interview Preparation Tips
American Express interview Rounds:Round 1
Round type - Online Coding Interview
Round duration - 90 Minutes
Round difficulty - Medium
American Express interview preparation:Topics to prepare for the interview - Data Structures, Pointers, OOPS, Trees, Graphs , Algorithms, Dynamic Programming, Operating SystemTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers
Tip 1 : Do competitive programming in 1st and 2nd yr
Tip 2 : Clear the basic of all data structures, algorithms and time, space complexities before trying leetcode.
Tip 3 : Dedicate 2-3 months to Interviewbit.
Tip 1 : Have atleast 2 projects.
Tip 2 : Competitive Coding ranks gives advantage.
Skills evaluated in this interview
I applied via campus placement at Indian Institute of Technology (IIT), Guwahati and was interviewed in Nov 2021.
3 Interview Rounds
Interview Questions
- Q1. Tell me something about yourself
View Answers (1)
- Q2. Why do you want to join Amex?
View Answers (1)
- Q3. Where do you see yourself in next 2-3 years?
View Answers (1)
- Q4. What matters most in a company - it's people, it's culture or it's tech stack?
Add Answer
Interview Preparation Tips
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