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Amazon fresher Interview Questions, Process, and Tips for Freshers
Amazon fresher Interview Experiences for Freshers
1 interview found
Anonymous
Selected
Python, html &css programming
(5 Questions)
- Q1. What is python programming
- Ans.
Python programming is a high-level, interpreted, and general-purpose programming language known for its simplicity and readability.
Python is widely used for web development, data analysis, artificial intelligence, scientific computing, and more.
It emphasizes code readability and uses indentation for block delimiters.
Python supports multiple programming paradigms, including procedural, object-oriented, and functional pr...
- Q2. What is HTML &css
- Ans.
HTML & CSS are the building blocks of web development, used to create and style web pages.
HTML stands for HyperText Markup Language and is used to create the structure of a web page.
CSS stands for Cascading Style Sheets and is used to style the elements created with HTML.
HTML uses tags like <div>, <p>, <h1> to define the content and structure of a webpage.
CSS uses properties like color, font-size,...
- Q3. What is bitwise operator
- Ans.
Bitwise operators are used to perform operations on individual bits of binary numbers.
Bitwise AND (&) - Sets a bit to 1 only if both bits are 1
Bitwise OR (|) - Sets a bit to 1 if either bit is 1
Bitwise XOR (^) - Sets a bit to 1 if the bits are different
Bitwise NOT (~) - Flips the bits
Bitwise left shift (<<) - Shifts the bits to the left by a certain number of positions
Bitwise right shift (>>) - Shifts the bits to the r
- Q4. What is algorithm
- Ans.
An algorithm is a step-by-step procedure for solving a problem or accomplishing a task.
An algorithm is a set of instructions that are followed to solve a problem.
It is a sequence of well-defined steps that lead to the desired outcome.
Algorithms can be represented using flowcharts, pseudocode, or programming languages.
Examples of algorithms include sorting algorithms like bubble sort and searching algorithms like binary
- Q5. What is array in python
- Ans.
An array in Python is a data structure that stores a collection of elements of the same data type.
Arrays in Python can be created using the 'array' module or using list comprehension.
Elements in an array are accessed using their index, starting from 0.
Example: arr = [1, 2, 3, 4, 5]
Example: import array; arr = array.array('i', [1, 2, 3, 4, 5])
Interview Preparation Tips
Skills evaluated in this interview
Interview questions from similar companies
I appeared for an interview before May 2021.
(1 Question)
Round duration - 60 Minutes
Round difficulty - Easy
- Q1.
Find the k-th Node from the End of a Linked List
Given the head node of a singly linked list and an integer 'k', this problem requires you to determine the value at the k-th node from the end of the linke...
- Ans.
To find the k-th node from the end of a linked list, iterate through the list to determine the size, then traverse again to reach the k-th node from the end.
Iterate through the linked list to determine its size.
Calculate the position of the k-th node from the end based on the size of the list.
Traverse the list again to reach the k-th node from the end.
Return a pointer to the k-th node from the end.
(1 Question)
Round duration - 60 Minutes
Round difficulty - Easy
High level System Design
- Q1. Can you design a system like Uber, explaining the various components and architecture involved?
- Ans.
Designing a system like Uber involves components like user app, driver app, server, database, and algorithms for matching and routing.
User app for booking rides and tracking
Driver app for accepting rides and navigation
Server for handling requests and communication between apps
Database for storing user, driver, and ride information
Algorithms for matching riders with drivers and routing
Round duration - 45 minutes
Round difficulty - Easy
Basic HR questions
Interview Preparation Tips
Tip 1 : Practise DSA/coding consistently
Tip 2 : Choose a tech stack and Make side hobby projects
Tip 3 : Give mock interviews for your preparation evaluation
Tip 1 : Pointers about your current job responsibility
Tip 2 : Side Projects with Tech stack
Skills evaluated in this interview
I applied via Naukri.com and was interviewed before Nov 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Basic Questions about core concept.
Interview Preparation Tips
Interview Preparation Tips
Tips: Just try coding as much as you can in the four years of graduation.
Round: Interview
Experience: Three Coding Interview and a Behavioral Interview were conducted.
Tips: Try to get some prior knowledge about the company's infrastructure.w
General Tips: Practice as much problems as you can online or offline.
Skill Tips: Coding is the key for any software company.
Skills: Coding
College Name: IIT KHARAGPUR
Motivation: Its the best in business
Interview Questionnaire
4 Questions
- Q1. You are given a large array of n bits. Each bit is initially 0. You perform several operations of the type
- Ans.
Solution to performing operations on a large array of bits.
Use bitwise operators to perform operations on individual bits
Use a loop to iterate through the array and perform the operations
Ensure that the array is large enough to accommodate all the bits
Consider using a data structure like a bitset for efficient bit manipulation
- Q2. Questions on Network programming
- Q3. Questions on array,heap and binary trees
- Q4. Round was both HR+Technical
Interview Preparation Tips
Experience: Questions can be found here:
-----/
Tips: Try to solve all 3.
Duration: 60 minutes
Total Questions: 3
Round: Technical Interview
Experience: First discuss the solution and then paper-code it.
Tips: Try to code without mistakes.
Round: Technical Interview
Experience: First, I was asked to discuss my project based on networking and then I was given a question on network programming
Tips: Pay attention on discussion
Round: Technical Interview
Experience: Provide the optimised solution and code it without any mistakes.
Round: HR Interview
Experience: Why linkedin?
What changes will you make in 6 months?
Internship project: Discussion and lot of common questions on that.
Basic Questions of C++ and Java
Skills: Data Structure, Core courses understanding, Algorithms
College Name: IIT GUWHATI
Skills evaluated in this interview
Interview Preparation Tips
Experience: In the coding round there were 3 questions to be solved in about 3 hrs.
Round: HR Interview
Experience: Expect the usual crazy questions like "Why LinkedIn?" and if you are already placed, be ready to give a proper justification for "Why LinkedIn and not XYZ?" so on. Be cool, you need not be accurate. Be well prepared with your resume and expect questions from them.
Tips: For the interview, just be confident and have a good resume ready with you.
Round: Other Interview
Experience: Coding Interview:
Simple coding questions. Make sure you first explain the logic to them and then you may be asked to write the code for it on the board using any language of your choice. Syntax is not a big deal, but don't make any logical errors. They are very friendly and may suggest certain solutions of their own. Make sure you can grasp them quickly. Find faults in your own code before they find it. Always try to give the best optimal solution. In case you are unable to do so then suggest possible improvements.
Round: Other Interview
Experience: Design Interview:
Some people may find this round a bit uneasy. But this round tests how good you are at designing solutions to problems. Most of the candidates were asked to build an online gaming system. And then they keep adding extra constraints and ideas and see if you can integrate them to your design. Database knowledge may be tested. They may also ask questions pertaining to you projects listed in your resume.
General Tips: An updated LinkedIn account with decent connections. ;)
Skill Tips: Be very strong with your coding ability. Whenever you code, do follow some standard procedures and make the code look simple and structured. Whenever you solve a coding question make sure you answer it completely for all the test cases. Partial results will only indicate that there is something wrong with the logic. Try to solve a complete question rather than multiple questions with partial results.
College Name: NIT SURATHKAL
Interview Preparation Tips
College Name: NIT SURATHKAL
Interview Questionnaire
3 Questions
- Q1. Some question on KMP
- Q2. Simulation Question
- Q3. Topological Sort Question
Interview Preparation Tips
Experience: Simple
Tips: Online Coding Questions
Duration: 60 minutes
Round: Technical Interview
Experience: Moderately difficult
Tips: Thorough understanding of all the algorithms is required.
Round: Technical Interview
Experience: Easy
Tips: Need to start a question afresh without attacking it the way you have solved questions in the past
Round: Technical Interview
Experience: Easy/moderately difficult
Tips: The idea was not that easy to click.
Skills: Coding
College Name: IIT BOMBAY
Motivation: Facebook has revolutionised social networking.
I applied via Campus Placement and was interviewed in Dec 2016. There were 4 interview rounds.
Interview Questionnaire
4 Questions
- Q1. Given a 2d matrix with some D doors and W walls, we need fill distance matrix with minimum distance to the nearest door
- Ans.
Given a 2D matrix with doors and walls, fill distance matrix with minimum distance to the nearest door.
Iterate through the matrix and find the doors
Use Breadth-First Search (BFS) to calculate the minimum distance from each cell to the nearest door
Update the distance matrix with the minimum distances
- Q2. Given a read-only array we want to find kth smallest element in unordered array with O(1) space
- Ans.
Find kth smallest element in unordered array with O(1) space
Use the QuickSelect algorithm to partition the array and find the kth smallest element
Choose a pivot element and partition the array into two subarrays
Recursively partition the subarray that contains the kth smallest element
Repeat until the pivot element is the kth smallest element
Time complexity: O(n) average case, O(n^2) worst case
- Q3. Design question
- Q4. Find friends of friend who already are not friends with you
- Ans.
To find friends of friends who are not already friends with you, we can first find your friends and then their friends excluding yourself and your friends.
Get your list of friends
For each friend, get their list of friends
Exclude yourself and your friends from the final list of friends of friends
Interview Preparation Tips
Experience: It started with an informal talk after he gave his introduction. We talked about the cyclone that was going to be there and what I did in my internship and my previous projects. Then we moved to questions. After solving both questions he asked if I had questions.
Tips: Just walk the interviewer through the solution you're proposing.
Round: Other Interview
Experience: He started with a design question with how to stream an image such that all clients see the same image at the same time. You need to take care of delays, network problems. He kept on adding new elements like compression, streaming, utc time related issues, client rendering delays and so on.
Round: Other Interview
Experience: This was bar-raiser round.
Skills: Design, Algorithms And Data Structures, Graph Theory
College Name: IIT Madras
Skills evaluated in this interview
I appeared for an interview before Apr 2021.
(2 Questions)
Round duration - 60 minutes
Round difficulty - Medium
It started with an informal talk after he gave his introduction. We talked about the cyclone that was going to be there and what I did in my internship and my previous projects. Then we moved to questions. After solving both questions he asked if I had questions.
- Q1.
Kth Largest Element Problem Statement
Given an array of distinct positive integers and a number 'K', your task is to find the K'th largest element in the array.
Example:
Input:
Array: [2,1,5,6,3,8], K ... - Ans.
Find the Kth largest element in an array of distinct positive integers.
Sort the array in non-increasing order
Return the Kth element from the sorted array
Handle multiple test cases
- Q2.
Orange Rotting Problem Statement
Consider a grid containing oranges. Each cell in this grid can hold one of three integer values:
- Value 0: Represents an empty cell.
- Value 1: Represents a fresh orang...
- Ans.
The task is to determine the minimum time required for all fresh oranges to become rotten in a grid.
Create a queue to store the rotten oranges and their time of rotting.
Iterate through the grid to find the initial rotten oranges and add them to the queue.
Perform BFS by popping each rotten orange from the queue, rot adjacent fresh oranges, and add them to the queue with updated time.
Continue until the queue is empty, ke...
Round duration - 45 minutes
Round difficulty - Easy
This was a design round.
Interview Preparation Tips
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
Skills evaluated in this interview
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Amazon fresher Interview Process for Freshers
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