'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'
Google interview experience Real time questions & tips from candidates to crack your interview
SWE Intern
Google
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3 rounds | 4 Coding problems
Interview preparation journey
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Preparation
Duration: 6 months
Topics: Data structure, Algorithms, Database management System, Operating System, OOPS
Tip
Tip

Tip 1 : Practice Question Smartly(select question wisely)
Tip 2 : Be confident
Tip 3 : Work hard

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

Tip 1 : Keep it simple
Tip 2 : Mention things at which u are confident

Interview rounds
01
Round
Easy
Telephonic
Duration45 Minutes
Interview date20 Mar 2020
Coding problem1

The interview started with a brief discussion of one of the projects mentioned in my resume, then the interviewer fast-forwarded to a coding problem. I was coding on a Google Doc which the interviewer was examining at the same time. The solution to the question involved knowledge of stack, and built-around logic definitely. I was able to solve this question but was asked to optimize it further. I couldn’t think about the optimization part before a small hint was given to me by the interviewer itself. I coded the additional optimization logic too as I could grasp the hint quickly.
In the end, the interviewer gave me the chance to ask him a question. And with this, the interview ended leaving me with no positive or negative feedback about my performance.

1. Minimum Character Deletion
Moderate
15m average time
80% success
0/80
Asked in companies
GooglePaypalAmazon

You are given a string ‘STR’. You need to find and return the minimum number of characters to be deleted from ‘STR’ so that the frequency of each character in the string becomes unique.

Ex...
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02
Round
Medium
Video Call
Duration50 minutes
Interview date30 Mar 2020
Coding problem1

The interviewer straight-forwardly jumped into the question.
PS: There were 2 interviewers in this round.

1. Convert binary tree to mirror tree
Easy
15m average time
85% success
0/40
Asked in companies
Phone PeSamsungDunzo

Given a binary tree, convert this binary tree into its mirror tree.

A binary tree is a tree in which each parent node has at most two children.

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03
Round
Medium
Video Call
Duration90 mintues
Interview date5 Apr 2020
Coding problem2

Time — 45 minutes
Questions asked — 2

1. Check If The String Is A Palindrome
Easy
10m average time
90% success
0/40
Asked in companies
SprinklrGooglePublicis Sapient

You are given a string 'S'. Your task is to check whether the string is palindrome or not. For checking palindrome, consider alphabets and numbers only and ignore the symbols and whitespaces.

...
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2. 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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