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posted on 30 Nov 2024
First Round DSA : 1 Find cycle in the graph and distance of each node to the cyclee
To find the mirror of a tree, we need to swap the left and right children of each node recursively.
Start from the root node of the tree
Swap the left and right children of the current node
Recursively call the mirror function on the left and right subtrees
Merge two sorted arrays and find the median
Merge the two arrays into one sorted array
Calculate the median based on the length of the merged array
Handle cases where the total length is even or odd
Walmart interview questions for designations
Polyfill for debounce function in JavaScript
Implement a debounce function that delays invoking a function until after a certain amount of time has passed without it being called again
Use setTimeout to delay the execution of the function
Clear the timeout if the function is called again within the specified time frame
Return a function that can be called to trigger the debounced function
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I appeared for an interview before Sep 2020.
Round duration - 90 minutes
Round difficulty - Medium
Round duration - 60 minutes
Round difficulty - Medium
This was the technical round, held around at 10 AM IST on Google Meet.
Firstly she greeted me and asked me to tell something about myself, to which I introduced myself, explaining my academic and some projects also.
After that we moved on to the Hackathon project, which was smart cart self-checkout system. I explained the project along with the code, wherever necessary.
Every word you say while explaining should be clear to you.I used Firebase and SQL while explaining my project, to which she asked some questions related to it,
Then she moved to the DBMS part, types of joins,what is indexing, how to approach if you were to design a payment system.
At last she asked me some Data Structure questions, which were of medium complexity
You are given a singly Linked List with 'N' nodes containing integer data and an integer 'K'. Your task is to delete the Kth node from the end of this Lin...
Remove the Kth node from the end of a singly linked list given the position 'K'.
Traverse the list to find the length 'N' of the linked list.
Calculate the position of the node to be removed from the beginning as 'N - K + 1'.
Traverse the list again and remove the node at the calculated position.
Consider Mr. X, a professional robber who is planning to rob houses along a street. These houses are arranged in a circle, which means the first house is a neighbor to the l...
House Robber problem where adjacent houses have connected security system, find maximum money Mr. X can rob without triggering security.
Use dynamic programming to keep track of maximum money robbed at each house.
At each house, decide whether to rob the current house or skip it based on maximum money robbed so far.
Handle the circular nature of houses by considering two cases: robbing the first house and not robbing the ...
Round duration - 30 minutes
Round difficulty - Easy
The interviewer was very frank and cheerful. This was held at 2:30 PM IST on Google Meet.
He firstly greeted me and asked me how I was doing.
How was my previous round, any technical difficulties?
Then he asked me to introduce myself.
He started telling about his journey to Lowe's and his technical background.
Then he asked some HR related questions
Tip 1 : Practice DSA questions, interview questions as much as you can.(400 leetcode questions) + (1000+ geeksforgeeks score) is good approximation of your preparation.
Tip 2 : You should have a good internship experience or 1 or 2 good projects on Android/web-d or Machine Learning.You should be through with your projects and be able to tell further improvements for the future.
Tip 3 : Be CONFIDENT with what you say. Don't murmur or speak in the mouth.The interviewer wants to know your thought process.
Tip 1 : Resume is the first impression of you.so it must be very eye-catching. write some decent (maybe 1 or 2 is enough) projects on resume.
Tip 2 : Should be through with each and every point you have written on your resume. people usually write 10- 15 skills on resume while confident in only 5.Please don't do it.
I applied via Walk-in and was interviewed before Apr 2023. There were 2 interview rounds.
There was a aptitude test with coding problems
I applied via Campus Placement and was interviewed in Mar 2024. There were 3 interview rounds.
Coding test contains 2 questions 1 moderate and 1 easy level
I am a passionate software developer with experience in Java, Python, and web development.
Graduated with a degree in Computer Science
Worked on various projects using Java and Python
Familiar with web development technologies like HTML, CSS, and JavaScript
I believe Lowe's is a reputable company with a strong focus on customer satisfaction. They can improve their customer services by implementing personalized recommendations, enhancing their online platform, and providing better in-store experiences.
Implement personalized recommendations based on customer preferences and purchase history
Enhance the online platform for easier navigation, product search, and checkout proce...
I applied via LinkedIn and was interviewed in Mar 2024. There was 1 interview round.
To delete a node from a binary search tree (BST), we need to handle three cases: node has no children, node has one child, and node has two children.
Start at the root and traverse the tree to find the node to be deleted.
Handle the three cases: node has no children, node has one child, and node has two children.
For a node with two children, find the inorder successor (smallest node in the right subtree) to replace the n
String arrays are immutable because they cannot be changed once created.
Strings in an array cannot be modified individually
Any changes to a string array result in a new array being created
Immutable arrays ensure data integrity and prevent unintended side effects
To create a custom immutable class, use final keyword for class, private final fields, and no setter methods.
Use the final keyword for the class to prevent inheritance
Declare all fields as private and final to prevent modification
Do not provide setter methods for the fields to maintain immutability
Provide getter methods to access the fields
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