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Walmart Interview Questions for Technical Profiles

Last Updated : 23 Jan, 2024
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Walmart is a multinational retail company that owns a chain of hypermarkets, discount department stores, and grocery stores and is known for its focus on low prices and everyday essentials. It was founded in 1962 by Sam Walton and is headquartered in Bentonville, Arkansas. Walmart is not only the world’s largest retailer by revenue but also the world’s largest private employer with over 2.3 million employees. Walmart has been ranked first in the Fortune 500 list of the largest corporations in the United States by total revenue since 2014 and has been investing heavily in e-commerce in recent years becoming the largest online retailer in the United States.

Walmart Interview Questions

Landing a job at Walmart can be a dream come true for many tech professionals. Walmart offers a dynamic and challenging work environment where you can make a real impact with its focus on innovation and cutting-edge technology. But before you can celebrate, you’ll need to ace the technical interview. To help you prepare, we’ve compiled a list of the most commonly asked technical interview questions at Walmart, backlinks with their solution articles, and practice pages.

 

DSA Problems

Walmart uses computer tricks (Data Structures and Algorithms) to organize stuff, manage products, and deliver things faster. These tricks also help them understand what customers like and make shopping online easier. It’s like smart tools that make Walmart work better and save money.

Problems

Practice

Sort an array of 0s, 1s and 2s Try it
Max Sum without Adjacents Try it
Find a sorted subsequence of size 3 in linear time Try it
k largest elements Try it 
Minimum number of jumps Try it 
Permutations of a given string Try it 
Merge Two Strings Alternatively Try it 
Reverse a Linked List in groups of given size Try it 
Add two numbers represented by Linked List Try it 
Convert a Binary Tree to a Circular Doubly Link List Try it 
Flattening a Linked List Try it 
Spirally traversing a matrix Try it 
Find triplets with zero sum Try it 
Search in a row-column sorted Matrix Try it 
Next Greater Element Try it 
Stock span problem Try it
Rotten Oranges Try it 
Count the Reversals Try it 
Find all Unique Subsets of a given Set Try it 
First negative integer in every window of size k Try it 
Boundary Traversal of binary tree Try it 
Sum Tree Try it
Vertical Traversal of Binary Tree Try it
Sorted Linked List to Balanced BST Try it
Floor in Binary Search Tree (BST) Try it 
Leaves to DLL Try it
Check+ if two Nodes are Cousins Try it 
LRU Cache Try it
Count the number of possible triangles Try it
Word Search  Try it 
Unique partitions Try it
 Find all possible words in a board of characters  Try it 
 Longest Increasing Subsequence (LIS)  Try it 
Subset Sum  Try it 
Count ways to reach the n’th stair  Try it 
Minimum number of deletions to make a string palindrome  Try it 
Wildcard Pattern Matching  Try it 
Longest substring to form a Palindrome  Try it 
0 – 1 Knapsack Problem Try it 
Topological sort  Try it 
Allocate minimum number of pages  Try it 
Detect cycle in an undirected graph  Try it 
Bipartite Graph  Try it 
Alien Dictionary Try it
Find the number of islands using DFS Try it  
Bridges in a graph  Try it 
Prerequisite Tasks  Try it
Minimum steps to reach target by a Knight Try it
Minimum Swaps to Sort Try it

Core Subjects

DBMS

Database Management System is a software or technology used to manage data from a database.

Operating System

Operating System lies in the category of system software. It basically manages all the resources of the computer.

OOPS

Object-oriented programming aims to implement real-world entities like inheritance, hiding, polymorphism, etc. in programming.

Computer Network

Computer network is a system that connects numerous independent computers in order to share information (data) and resources



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