'Coding has over 700 languages', '67% of programming jobs aren’t in the technology industry', 'Coding is behind almost everything that is powered by electricity'
Amazon interview experience Real time questions & tips from candidates to crack your interview
SDE - 1
Amazon
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4 rounds | 7 Coding problems
Interview preparation journey
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Preparation
Duration: 4 months
Topics: Data Structures, OOPs, Competitive programming, System Design, Core subjects, Algorithms
Tip
Tip

Tip 1 : Practice Leetcode medium level questions properly
Tip 2 : Low-level and high-level system design is very important
Tip 3 : Always make notes of core subjects like DBMS, OS, CN beforehand to be able to revise before interviews

Application process
Where: Email Approach
Eligibility: Above 7 CGPA
Resume Tip
Resume tip

Tip 1 : Write the technology about which you know in detail and can discuss pros and cons of using it.
Tip 2 : Prepare your resume well and add 2 good projects for project discussion with good readme file on github.

Interview rounds
01
Round
Hard
Online Coding Interview
Duration145 minutes
Interview date12 Jan 2021
Coding problem2

The assessment consisted of four components, a code debugging section (20 minutes), a coding test (70 minutes), a workstyles assessment (20 minutes), and a reasoning ability section (35 minutes). The coding environment is very user-friendly and easy to use.

1. Rotate matrix to the right
Moderate
20m average time
80% success
0/80
Asked in companies
AmazonOYOSmart Energy Water

You have been given a matrix ‘MAT’ of size 'N' * 'M' (where 'N' and 'M' denote the number of rows and columns respectively) and a positive integer ‘K’. Your task is to r...

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2. Palindrome Partitioning
Moderate
25m average time
75% success
0/80
Asked in companies
SprinklrHSBCDunzo

You are given a string 'S'. Your task is to partition 'S' such that every substring of the partition is a palindrome. You need to return all possible palindrome partitioning of 'S'.

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02
Round
Medium
Face to Face
Duration60 Minutes
Interview date29 Jan 2021
Coding problem2

The online round was held on the Amazon Chime platform. The interviewer was very friendly and eager to know what I was thinking for every problem which he asked and always tried to make me speak up my thoughts and approach for solving the specific problem and understand my point too.

1. Form the Biggest Number
Moderate
25m average time
70% success
0/80
Asked in companies
AmazonIntuitBarclays

Given an array “A” of positive integers. Your task is to make the largest number possible formed by concatenating each of the array elements exactly once.

Example:
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2. Rat In A Maze
Easy
15m average time
85% success
0/40
Asked in companies
MicrosoftOlaIBM
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03
Round
Medium
Face to Face
Duration75 minutes
Interview date29 Jan 2021
Coding problem2

The online round was held on the Amazon Chime platform. The interviewer was very friendly and eager to know what I was thinking for every problem which he asked and always tried to make me speak up my thoughts and approach for solving the specific problem and understand my point too.

1. Infix to Postfix
Easy
20m average time
80% success
0/40
Asked in companies
OracleExpedia GroupMicrosoft

You are given a string 'exp' which is a valid infix expression.


Convert the given infix expression to postfix expression.


Note:
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2. Level Order Traversal
Easy
15m average time
85% success
0/40
Asked in companies
HikeLinkedInIntuit

You have been given a Binary Tree of integers. You are supposed to return the level order traversal of the given tree.

For example:
For...
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04
Round
Medium
Face to Face
Duration60 Minutes
Interview date31 May 2021
Coding problem1

The online round was held on the Amazon Chime platform. The interviewer was very friendly and eager to know what I was thinking for every problem which he asked and always tried to make me speak up my thoughts and approach for solving the specific problem and understand my point too.

1. Fenwick Tree
Moderate
15m average time
85% success
0/80
Asked in companies
AmazonGoldman SachsPegasystems

You are given an array/list 'ARR' of ‘N’ integers, and ‘Q’ queries. Each query can be of two types:

Given 2 integers ‘L...

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