'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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3 rounds | 6 Coding problems
Interview preparation journey
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Preparation
Duration: 4.5 months
Topics: Data Structures, OOPS, OS, DBMS, Dynamic Programming, Trees/Graph, Tries, Hashing, Algorithms, Hadoop
Tip
Tip

Tip 1 : 1 Programming Language
Tip 2 : Practice Data Structures with atleast 300 ques.
Tip 3 : CS Fundamental

Application process
Where: Campus
Eligibility: No backlogs
Resume Tip
Resume tip

Tip 1 : 1 Pager
Tip 2 : Add top 3 projects in Resume.

Interview rounds
01
Round
Medium
Online Coding Interview
Duration120 minutes
Interview date16 Sep 2020
Coding problem2

Evening test around 5
Platform :- SHL
Environment was amazing

1. Subtree of Another Tree
Easy
10m average time
90% success
0/40
Asked in companies
Thought WorksInfo Edge India (Naukri.com)GE (General Electric)

Given two binary trees T and S, check whether tree S has exactly the same structure and node values with a subtree of T, i.e., check if tree S is a subtree of the tree T.

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2. Search in a row wise and column wise sorted matrix
Moderate
15m average time
80% success
0/80
Asked in companies
DirectiZomatoPaytm (One97 Communications Limited)

You are given an 'N * N' matrix of integers where each row and each column is sorted in increasing order. You are given a target integer 'X'.


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02
Round
Medium
Video Call
Duration60 minutes
Interview date1 Oct 2020
Coding problem2

1 Hour 
Afternoon

1. Intersection of Linked List
Easy
25m average time
73% success
0/40
Asked in companies
CognizantIntuitArcesium

You are given two Singly Linked Lists of integers, which may have an intersection point.

Your task is to return the first intersection node. If there is no intersection, return NULL.


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2. Pair sum in a BST
Easy
15m average time
80% success
0/40
Asked in companies
FlipkartMicrosoftPaytm (One97 Communications Limited)

You are given a binary search tree and an integer ‘S’. Your task is to find all the pairs of nodes in the BST which sum to the value ‘S’. If no such pair exists, then print -1 - 1.

Note:

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03
Round
Medium
Video Call
Duration60 minutes
Interview date1 Oct 2020
Coding problem2

Online Round held on Chime

1. Is Binary Heap Tree
Easy
10m average time
90% success
0/40
Asked in companies
AmazonD.E.ShawServiceNow

You have been given a binary tree of integers.

Your task is to check if it is a binary heap tree or not.

Note:

A binary tree is a tree in whi...
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2. Edit Distance
Moderate
30m average time
70% success
0/80
Asked in companies
GoogleGoldman SachsDunzo

You are given two strings 'S' and 'T' of lengths 'N' and 'M' respectively. Find the "Edit Distance" between the strings.

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