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VAC Design Engineers Sde1 Interview Questions and Answers
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Anonymous
1. Question on Graph LC-Hard 2. Question on BFS LC-Medium
(2 Questions)
- Q1. 1. Minimum platforms GFG
- Q2. Find missing number in array without extra space
- Ans.
Find missing number in array without extra space
Iterate through the array and XOR all the elements with their indices and the actual numbers
The missing number will be the XOR result
Example: ['1', '2', '4', '5'] -> XOR(0, 1) ^ XOR(1, 2) ^ XOR(2, 4) ^ XOR(3, 5) = 3
(2 Questions)
- Q1. Question on Heap
- Q2. Implement Heap in C++
- Ans.
Implementing Heap data structure in C++
Use an array to represent the binary tree structure of the heap
Implement functions for inserting elements, deleting elements, and heapifying the array
Ensure that the heap property is maintained (parent node is always greater than or equal to its children)
(2 Questions)
- Q1. Implement LRU Cache
- Ans.
LRU Cache is a data structure that stores a fixed number of items and removes the least recently used item when the cache is full.
Use a combination of a doubly linked list and a hashmap to efficiently implement LRU Cache.
Keep track of the least recently used item at the tail of the linked list.
When an item is accessed, move it to the head of the linked list to mark it as the most recently used item.
When adding a new it...
- Q2. Discussion on CV and previous projects
(1 Question)
- Q1. Easy LLD question
Skills evaluated in this interview
I applied via Referral and was interviewed in Sep 2024. There were 2 interview rounds.
Ppt and discussion - on all things in the company
Leetcode - 2 medium, 1 hard
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Aug 2022. There were 2 interview rounds.
(2 Questions)
- Q1. DSA questions on sorting
- Q2. Computer science fundamental questions
Interview Preparation Tips
They asked some technical interview questions
(2 Questions)
- Q1. How do you face challenges?
- Q2. How do you deal with deadlines?
Interview Preparation Tips
Was good and you get questions from various topics.
Apti
Basics of cs
(2 Questions)
- Q1. Tell me about your self
- Q2. Your strengths on technical subjects you have gine
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Jul 2021. There were 2 interview rounds.
Questions were easy and on basic algorithm
(2 Questions)
- Q1. Tell about your self
- Ans.
I am a software engineer with experience in web development and problem-solving.
I have a Bachelor's degree in Computer Science.
I have worked on various web development projects using languages like JavaScript, HTML, and CSS.
I am proficient in using frameworks like React and Angular.
I have experience in database management using SQL and NoSQL.
I have strong problem-solving and analytical skills.
I am a quick learner and a...
- Q2. Questions on os and dbms
Interview Preparation Tips
Harshita Manwani
(2 Questions)
- Q1. What is linked list?
- Ans.
A linked list is a linear data structure where elements are stored in nodes with each node pointing to the next node in the sequence.
Consists of nodes connected by pointers
Does not have a fixed size like arrays
Can easily insert or delete elements without shifting other elements
Examples: Singly linked list, Doubly linked list, Circular linked list
- Q2. How to use set in javascript
- Ans.
Sets in JavaScript are used to store unique values of any type.
Create a new set using the Set constructor
Add values to the set using the add() method
Check if a value exists in the set using the has() method
Remove a value from the set using the delete() method
Iterate over the set using the forEach() method
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Feb 2024. There was 1 interview round.
(2 Questions)
- Q1. Java 8 features
- Q2. Shallow copy and deep copy in java
- Ans.
Shallow copy creates a new object with references to the original object's data, while deep copy creates a new object with copies of the original object's data.
Shallow copy only duplicates the references to the original object's data, not the data itself.
Deep copy creates a new object with copies of the original object's data, ensuring that changes to the copied object do not affect the original object.
In Java, shallow...
Interview Preparation Tips
Skills evaluated in this interview
Basics of aptitude logical reasoning and etcs
Wap for palindrome even odd and some string questions
Interview Preparation Tips
Per question time good amoubnt of questions
(1 Question)
- Q1. Easy questions based on my resume
(1 Question)
- Q1. Bvased on javba as i mentioned java in my resume
Interview Preparation Tips
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