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

Posted: 21 Dec 2020
Interview Rounds
Application Process

Interview Process

Online Coding Interview

70 minutes
17 Aug 2020

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++...

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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...

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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.

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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...

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Round - 2


4 months
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

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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