Walmart interview experience Real time questions & tips from candidates to crack your interview

# SDE - Intern

Walmart
4 rounds | 4 Coding problems

## Interview preparation journey

Preparation
Duration: 12 Months
Topics: Data Structures, OOPS, System Design, Algorithms, Operating System
Tip

Tip 1 : Do not cram solutions.
Tip 2 : Keep practicing and give contests.

Application process
Where: Other
Eligibility: Female candidate
Resume tip

Tip 1 : Make a 1 pager resume strictly
Tip 2 : Have 3-4 decent projects.

## Interview rounds

01
Round
Medium
Online Coding Interview
Duration25 minutes
Interview date1 Jul 2021
Coding problem0

There were 25 MCQ's to be solved in 25 minutes and only shortlisted candidates will be advanced to next round.

02
Round
Hard
Online Coding Interview
Duration45 minutes
Interview date4 Jul 2021
Coding problem1

There were 2 coding questions to be solved in 45 minutes. Questions were a bit difficult and topics covered in my set were DP and Graphs.

### 1. Colour The Graph

Moderate
20m average time
80% success
0/80

#### You are given a graph with 'N' vertices numbered from '1' to 'N' and 'M' edges. You have to colour this graph in two different colours, say blue a...

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03
Round
Medium
Face to Face
Duration60 minutes
Interview date19 Sep 2021
Coding problem2

I was asked questions on data structures, OOPs, OS and he grilled me on Machine Learning and Microsoft Azure (as is was mentioned in my resume).

### 1. Maximum Frequency Number

Easy
10m average time
90% success
0/40

#### Ninja is given an array of integers that contain numbers in random order. He needs to write a program to find and return the number which occurs the maximum times in the...

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Problem approach

I first gave the brute force solution by sorting the array with time complexity as O(nlogn) and then optimized it by hashmap with time complexity as O(n).
He was satisfied with the solution.

### 2. OS Questions

What is synchronization?
What is paging?
Semaphore vs Mutex

04
Round
Easy
HR Round
Duration45 minutes
Interview date20 Sep 2021
Coding problem1

It involved a few technical questions based on my resume followed by leadership questions.

### 1. Basic HR Questions

How did you make this project and what technologies you use?
Any challenges you've overcome in the last few months?
Why Walmart?
How do you approach a problem statement?
How do you design a system?
Any time when you showed leadership?

Problem approach

Tip 1 : Try to be confident and honest with your answers.

Here's your problem of the day

Solving this problem will increase your chance to get selected in this company

What is the result of 4 % 2?

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