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Paytm (One97 Communications Limited) Interview Experience for Fresher Software Engineer, Oct 2020

Posted: 12 Nov 2020
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Interview Rounds
Application Process

Interview Process

Online Coding Interview

Moderate
Duration:
70 minutes
Interview-Date:
29 Oct 2020
Problems:
3
Coding Problem

We were given a number system where 0 was mapped to 9, 1 to 8, 2 to 7, 3 to 6 and so on.We were given an positive integer as an input and we had to convert it into an integer in the new number system.

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Subtree of Another Tree

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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Binary strings with no consecutive 1s.

You have been given an integer K.

Your task is to generate all binary strings of length K such that there are no consecutive 1s in the st...

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Next
Round - 2

Preparation

Duration:
8 months
Topics:
Data Structures, Algorithms, OOPS, Operating Systems, DBMS, Dynamic Programming, Tree, Linked List, Low level Design
Preparation Tip

Tip 1 :  Practice atleast 100-150 Medium problems and 20-30 hard problems from leetcode
Tip 2 : Try to give a short contest maybe on leetcode, codeforces or codechef as it is beneficial to crack in Online Test.
Tip 3 : Do atleast 2 projects and ask find answers like why are you choosing this tech stack? why did not you choose its alternatives Know your project in and out because they might ask you an modification in your project.

Application Process

Where:
Campus
Eligibility:
Above 7 CGPA
Resume Tip

Tip 1 : Have some projects on resume.
Tip 2 : Do not put false things on resume.
Tip 3 : Try to keep a single page resume.
Tip 4 : If your CGPA is quite low do not mention it on the resume.
Tip 5 : In achievements sections only add relevant achievements. Putting achievements like "won painting competition" or "won dancing competition" wont help.

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