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I applied via Campus Placement and was interviewed in Aug 2022. There were 2 interview rounds.
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I appeared for an interview before May 2021.
Round duration - 120 Minutes
Round difficulty - Medium
Round duration - 60 Minutes
Round difficulty - Easy
Given a singly linked list with 'N' nodes containing integer values, your task is to sort the list using insertion sort and output the sorted list.
Insertion Sort is an al...
Implement insertion sort algorithm on a singly linked list with integer values.
Traverse the linked list and for each node, find its correct position in the sorted list.
Remove the node from the original list and insert it at the correct position in the sorted list.
Repeat this process until all nodes are sorted.
Ensure the implementation is in-place, without using extra space.
Handle edge cases like empty list or single no...
Your task is to implement a Stack data structure using a Singly Linked List.
Create a class named Stack
which supports the following operations, each in O(1...
Implement a Stack data structure using a Singly Linked List with operations in O(1) time.
Create a class named Stack with getSize, isEmpty, push, pop, and getTop methods.
Use a Singly Linked List to store the elements of the stack.
Ensure each operation runs in O(1) time complexity.
Handle cases where the stack is empty appropriately.
Implement the logic for each query type as specified in the input and output sections.
Given an integer N, determine and print all the prime numbers between 2 and N, inclusive.
Integer N
Prime numbers printed on separate lines
Generate and print all prime numbers between 2 and N, inclusive.
Iterate from 2 to N and check if each number is prime
Use a helper function to determine if a number is prime
Print each prime number on a new line
Round duration - 45 Minutes
Round difficulty - Medium
This round was based on oops concepts and their applications and about STLs.
Given a number N
, generate a pattern where the outer rectangle is filled with the number N
, and the inner rectangles contain decreasing numbers down to 1.
The input be...
Generate a rectangular pattern with outer rectangle filled with N and inner rectangles containing decreasing numbers.
Create a 2-D array with dimensions based on input N
Fill the outer rectangle with N and inner rectangles with decreasing numbers down to 1
Adjust the values in the inner rectangles based on the layer number
Return the generated pattern as a 2-D list/array
Round duration - 30 Minutes
Round difficulty - Easy
This around was basically to judge my communication and behavioral skills.
Tip 1 : Basics should be very clear related to DSA.
Tip 2 : Good knowledge of OS will be plus for Qualcomm
Tip 3 : One should revise the college project thoroughly before interview.
Tip 1 : Be brief while writing resume.
Tip 2 : Mention atleast 2 projects.
posted on 7 May 2017
I appeared for an interview in Feb 2017.
malloc is a function in C that dynamically allocates memory on the heap. It is used to allocate memory for variables or data structures.
malloc is used in C programming language.
It is used to allocate memory on the heap.
malloc is different from 'new' in C++ as it does not call constructors for objects.
C++ is a general-purpose programming language while Objective C is a superset of C used for iOS and macOS development.
C++ is widely used for developing applications, games, and system software.
Objective C is mainly used for iOS and macOS development.
C++ supports both procedural and object-oriented programming paradigms.
Objective C is an object-oriented language with dynamic runtime features.
C++ has a larger community a...
Class container is a class that holds objects of other classes, while class composition is a way to combine multiple classes to create a new class.
Class container holds objects of other classes, acting as a collection or container.
Class composition combines multiple classes to create a new class with its own behavior and attributes.
In class container, the objects are typically stored in a data structure like an array o...
Divide the horses into groups of 5 and race them. Take the top 2 from each race and race them again. Finally, race the top 2 horses to determine the top 3.
Divide the horses into 3 groups of 5 and race them.
Take the top 2 horses from each race and race them again.
Finally, race the top 2 horses to determine the top 3.
Developing a real-time data processing system for a high-traffic e-commerce website
Implemented a distributed system architecture to handle large volumes of data
Optimized algorithms for efficient data processing and storage
Utilized caching mechanisms to improve system performance
Worked closely with cross-functional teams to troubleshoot and resolve issues
Example: Successfully reduced data processing time by 50% by imple...
The width of a tree is the maximum number of nodes at any level in the tree.
To calculate the width of a tree, we can perform a level order traversal and keep track of the maximum number of nodes at any level.
We can use a queue data structure to perform the level order traversal.
At each level, we count the number of nodes in the queue and update the maximum width if necessary.
I appeared for an interview in Aug 2017.
I appeared for an interview in Aug 2017.
I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.
Fill the cells in the pyramid
The pyramid is a pattern of numbers or characters arranged in a triangular shape
Each row of the pyramid has one more cell than the previous row
Start filling the pyramid from the top and move downwards
The cells can be filled with any desired numbers or characters
An alternator and generator are devices that convert mechanical energy into electrical energy.
Both alternators and generators are used to generate electricity.
They work on the principle of electromagnetic induction.
Alternators are commonly used in modern vehicles to charge the battery and power the electrical systems.
Generators are often used as backup power sources during power outages.
Examples of alternators include ...
I developed a mobile app for tracking daily water intake and hydration levels.
Researched best practices for hydration tracking
Designed user-friendly interface for inputting water intake
Implemented data visualization for tracking hydration levels
Tested app with focus groups for feedback
Continuously updated app based on user suggestions
SHA Algorithm is a cryptographic hash function that takes an input and produces a fixed-size output.
SHA stands for Secure Hash Algorithm.
It is widely used in various security applications and protocols.
SHA-1, SHA-256, SHA-384, and SHA-512 are common variants of SHA.
It generates a unique hash value for each unique input.
The output is a fixed length, regardless of the input size.
SHA is used for data integrity, password h...
I will solve disputes by promoting open communication, active listening, and finding mutually beneficial solutions.
Encourage open and honest communication between parties involved
Actively listen to each party's concerns and perspectives
Identify common goals and interests to find mutually beneficial solutions
Mediate discussions and facilitate negotiations if necessary
Document agreements and ensure follow-up to prevent f...
I appeared for an interview in Dec 2016.
I appeared for an interview in Sep 2016.
Code for scheduling in C
Define a struct for the task with fields like start time, end time, priority, etc.
Create an array of tasks and sort them based on priority and start time
Implement a scheduling algorithm like Round Robin or Priority Scheduling
Use system calls like fork() and exec() to create and execute processes
Implement synchronization mechanisms like semaphores or mutexes to avoid race conditions
I applied via Campus Placement
Static, volatile, const are C keywords used to define properties of variables.
Static: used to define a variable that retains its value between function calls
Volatile: used to indicate that a variable's value may change unexpectedly, e.g. in an interrupt
Const: used to define a variable whose value cannot be changed once initialized
ISR stands for Interrupt Service Routine. It is managed by prioritizing interrupts and handling them in a timely manner.
Prioritize interrupts based on their importance
Handle interrupts in a timely manner to prevent delays in the system
Ensure that the ISR does not interfere with the normal flow of the program
Test the ISR thoroughly to ensure that it works as expected
Use appropriate tools and techniques to debug any issu...
Mutex is a synchronization mechanism used to prevent multiple threads from accessing shared resources simultaneously.
Mutex stands for mutual exclusion.
It is used to protect shared resources from race conditions.
Mutex provides exclusive access to a shared resource.
It is used in multi-threaded programming.
Mutex can be implemented using locks or semaphores.
I am a software engineer with experience in developing web applications and mobile apps.
Developed a web application for a retail company using React and Node.js
Created a mobile app for a fitness startup using React Native
Worked on a project to automate data entry for a healthcare organization using Python
Contributed to an open-source project for a social media platform using Ruby on Rails
Qualcomm is a semiconductor and telecommunications equipment company based in San Diego, California.
Qualcomm is a leading provider of wireless technology and services.
They are known for their Snapdragon processors used in smartphones and other devices.
Qualcomm has been involved in several legal disputes with Apple and other companies over patent infringement.
They also have a strong presence in the development of 5G tec...
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