Paytm (One97 Communications Limited) interview experience Real time questions & tips from candidates to crack your interview
SDE - 1
Paytm (One97 Communications Limited)
3 rounds | 3 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 2 Months
Topics: DSA, OOPs, Computer Networking, System Design, OOPs
Tip 1 : Prepare good for DS & Algo as most companies have a separate round for it.
Tip 2 : Don't lie over your resume
Application process
Where: Other
Eligibility: 7 cgpa throughout
Tip 1 : Don't Lie over your resume
Tip 2 : Avoid unnecessary details like Hobbies, family details, declaration, date, signature, etc.
Interview rounds
01
Round
Medium
Online Coding Interview
Duration60 Minutes
Interview date2 May 2022
Coding problem1
This is purely coding test conducted on Hackerrank platform
1. 0 1 Knapsack
Easy
15m average time
85% success
0/40
Asked in companies
A thief is robbing a store and can carry a maximal weight of W into his knapsack. There are N items and the ith item weighs wi and is of value vi. Considering the constraints of the maximum weight that a knapsack can carry, you have to find and return the maximum value that a thief can generate by stealing items.
02
Round
Medium
Face to Face
Duration30 Minutes
Interview date7 May 2022
Coding problem2
This is purely data structure technical round
1. Reverse Linked List
Moderate
15m average time
85% success
0/80
Asked in companies
Given a singly linked list of integers. Your task is to return the head of the reversed linked list.
For example:
The given linked list is 1 -> 2 -> 3 -> 4-> NULL. Then the reverse linked list is 4 -> 3 -> 2 -> 1 -> NULL and the head of the reversed linked list will be 4.
Follow Up :
Can you solve this problem in O(N) time and O(1) space complexity?
2. Puzzle
Assuming the best cricketer playing with the best strategy. How many maximum runs he can score in IPL satisfying all rules of cricket and no wide balls?
Problem approach
Tip 1 : Firslty clear and understand the puzzle
Tip 2 : then think about the whole possible scenarios
03
Round
Easy
HR Round
Duration25 Minutes
Interview date12 May 2022
Coding problem0
this is purely HR round. Interviewer asked questions related your projects , hobbies and your strengths and weakness
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
To make an AI less repetitive in a long paragraph, you should increase:
Choose another skill to practice
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