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Support Engineer

Amazon

2 rounds | 5 Coding
problems

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Interview preparation journey

Preparation

Duration: 3 months

Topics: Data Structures, Pointers, OOPS, System Design, Algorithms, Dynamic Programming

Tip

Tip 1 : Practice Atleast 250 Questions

Tip 2 : Do atleast 2 projects

Tip 3 : Do practice on internet

Tip 4 : Practice past year questions

Application process

Where: Company Website

Eligibility: 7 CGPA

Resume tip

Tip 1 : Have some projects on resume.

Tip 2 : Do not put false things on resume.

Interview rounds

01

Round

Medium

Online Coding Interview

Duration60 minutes

Interview date22 Aug 2022

Problems2

Ninja And The Strictly Increasing Array

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Problem approach

lenOfLongIncSubArr(arr, n)

Declare max = 1, len = 1

for i = 1 to n-1

if arr[i] > arr[i-1]

len++

else

if max < len

max = len

len = 1

if max < len

max = len

return max

Check If Linked List Is Palindrome

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Problem approach

Follow the steps below to solve the problem:

A simple solution is to use a stack of list nodes. This mainly involves three steps.

Traverse the given list from head to tail and push every visited node to stack.

Traverse the list again. For every visited node, pop a node from the stack and compare data of popped node with the currently visited node.

If all nodes matched, then retu...

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02

Round

Easy

Video Call

Duration45 minutes

Interview date11 Sep 2022

Problems3

Longest Common Subsequence

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Problem approach

The idea is to use Hashing. We first insert all elements in a Set. Then check all the possible starts of consecutive subsequences.

Sum Tree

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Problem approach

Get the sum of nodes in the left subtree and right subtree. Check if the sum calculated is equal to the root’s data. Also, recursively check if the left and right subtrees are SumTrees.

ML Questions

Difference between Data Science and Data Analyst

Machine learning algorithm you will used for predicting car sales in next year

What is SVM and reinforcement technique?

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