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Paytm (One97 Communications Limited) Interview Experience for Fresher SDE - 1, Aug 2020

Posted: 21 Dec 2020

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Interview Rounds

Application Process

Round 1

Round 2

Round 3

Round 4

Interview Process

Online Coding Interview

Easy

Duration:

70 minutes

Interview-Date:

17 Aug 2020

Problems:

The first round was the Online Coding Round of 70 minutes with 3 problems of 3 marks, 3 marks, and 4 marks respectively.
The first two questions were easy and the third one was a bit tricky. The round started at 6 PM.
Anyone who is practicing continuously could have solved these questions easily within the time limit. The test cases were also not so hard and distinct. I coded in C++...

Minimum insertions to make a string palindrome

A palindrome string is one that reads the same backward as well as forward. Given a string 'STR', you need to tell the minimum number of characters needed to insert into it to make i...

Try Problem

See my Approach

Closest Leaf To Given Node In Binary Tree

Ninja is stuck in a maze which is in a form of a binary tree. He needs your help in order to get out.

Try Problem

See my Approach

Add two linked lists

You have been given two singly Linked Lists, where each of them represents a positive number without any leading zeros.

Your task is to add these two numbers and print...

Try Problem

See my Approach

Preparation

Duration:

4 months

Topics:

Data Structures, OOPS, Dynamic Programming, Recursion, Advanced Data Structures, Operating System, Time complexity analysis and Sorting Algorithms

Preparation Tip

Tip 1 : Properly grasp Data Structures and Algorithms from basics.
Tip 2 : Learn about Time complexity
Tip 3 : Be honest and walk through your thought process to the interviewer.
Tip 4 : Its always good to be presentable and have good communications skills

Application Process

Where:

Campus

Eligibility:

above 7 CGPA, No active backlogs

Resume Tip

Tip 1 : Never Lie on your resume. Only write what you have done and what you know.
Tip 2 : It's good to have one or two projects on your resume. Mention the tech stack you used and a brief description of the project. It will be best if you host/upload your project on the cloud.
Tip 3 : Avoid unnecessary details like Hobbies, family details, declaration, date, signature, etc.
Tip 4 : You're more than a 1-page resume. But your resume should not be more than a page

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