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LazyPay Interview Questions and Answers

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I applied via Referral

Interview Questionnaire 

2 Questions

  • Q1. Tell me about your experience in current company??
  • Q2. If you read the JD tell me how you can manage it.

Interview Preparation Tips

Interview preparation tips for other job seekers - We know communication skill is important. But you can't reject someone who is good in communication but they are speaking with english+hindi+ regional language. Then your object is you just need someone who is good in english. In India not every people knows english well. When we are hired in company we have to visiti market have to communicate other companies for business or communicate with clients. That time english is important but not necessary because if i am able to clarify the client or merchant with other language or mixed with english that is also skilled communication. You rejecting someone who is good in is field, technically sound, can write in English, but if he/she used 2/3 words in hindi/other language (which interviewer can understand) you can't reject them. If you reject them for this reason than you are just searching for english speaking parrot not a skilled employee.

I applied via Referral and was interviewed in Jan 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Good and well package

Interview Preparation Tips

Interview preparation tips for other job seekers - Field marketing Approaches is very important

I applied via Naukri.com and was interviewed in Mar 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Do u have bike?

Interview Preparation Tips

Interview preparation tips for other job seekers - They want people for this position,u have to just attend interview

I applied via Naukri.com and was interviewed in Mar 2021. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. Write a program to Create a spiral array using 2D-array
  • Ans. 

    Program to create a spiral array using 2D-array

    • Create a 2D-array with given dimensions

    • Initialize variables for row, column, and direction

    • Fill the array in a spiral pattern by changing direction when necessary

    • Return the spiral array

  • Answered by AI
  • Q2. Write a program to find Minimum length of string in 'bdcabdcbaabbbac' containing substring 'abc'

Interview Preparation Tips

Interview preparation tips for other job seekers - I recently got interviewed at PAYTM.I felt paytm will check your programming skills rather than your conceptual skills .In beginning they asked few questions related to concepts then they continued with only DS and algo.

Skills evaluated in this interview

I appeared for an interview before Sep 2020.

Round 1 - Coding Test 

(3 Questions)

Round duration - 70 minutes
Round difficulty - Medium

It consisted of three coding questions varying from easy to medium.

  • Q1. 

    Distributing Coins in a Binary Tree

    You are provided with the root of a binary tree that consists of 'N' nodes. Each node in this tree contains coins, and the total number of coins across all nodes is equ...

  • Ans. 

    Determine the minimum number of moves required to distribute coins in a binary tree so that every node has exactly one coin.

    • Traverse the binary tree in a bottom-up manner to distribute coins efficiently.

    • Keep track of the excess or deficit of coins at each node to calculate the minimum moves required.

    • Transfer coins from nodes with excess coins to nodes with deficits to balance the distribution.

    • Example: For the input ROO...

  • Answered by AI
  • Q2. 

    Distinct Subsets Count

    Given an array arr of N integers that may include duplicates, determine the number of subsets of this array containing only distinct elements.

    The result should be returned modulo ...

  • Ans. 

    Count the number of distinct-element subsets in an array modulo 10^9+7.

    • Iterate through the array and keep track of distinct elements using a set.

    • Calculate the number of subsets using the formula 2^distinct_count - 1.

    • Return the result modulo 10^9+7 for each test case.

  • Answered by AI
  • Q3. 

    0-1 Knapsack Problem Statement

    A thief is robbing a store and can carry a maximal weight 'W' in his knapsack. There are 'N' items, where the i-th item has a weight 'wi' and value 'vi'. Consider the maximu...

  • Ans. 

    The 0-1 Knapsack Problem involves maximizing the value of items a thief can steal within a weight limit.

    • Use dynamic programming to solve the problem efficiently.

    • Create a 2D array to store the maximum value that can be achieved at each weight limit.

    • Iterate through the items and weights to fill the array with optimal values.

    • Return the maximum value achievable at the given weight limit.

  • Answered by AI
Round 2 - Video Call 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Medium

The interview was focused on data structures as well as computer fundamentals along with puzzles.

  • Q1. 

    Sort an Array in Wave Form

    You are given an unsorted array ARR. Your task is to sort it so that it forms a wave-like array.

    Input:

    The first line contains an integer 'T', the number of test cases.
    For ea...
  • Ans. 

    Sort an array in wave form where each element is greater than or equal to its adjacent elements.

    • Iterate through the array and swap adjacent elements to form a wave pattern.

    • Ensure that the first element is greater than or equal to the second element.

    • There can be multiple valid wave arrays, so any valid wave array is acceptable.

  • Answered by AI
  • Q2. 

    Reverse a Linked List Problem Statement

    You are given a Singly Linked List of integers. Your task is to reverse the Linked List by changing the links between nodes.

    Input:

    The first line of input contai...
  • Ans. 

    Reverse a given singly linked list by changing the links between nodes.

    • Iterate through the linked list and reverse the links between nodes

    • Use three pointers to keep track of the current, previous, and next nodes

    • Update the links between nodes to reverse the list

    • Return the head of the reversed linked list

  • Answered by AI
Round 3 - Video Call 

(3 Questions)

Round duration - 90 minutes
Round difficulty - Easy

The Round was mainly focused on resume+ dsa + system design +computer fundamentals

  • Q1. 

    Running Median Problem

    Given a stream of integers, calculate and print the median after each new integer is added to the stream.

    Output only the integer part of the median.

    Example:

    Input:
    N = 5  
    Stre...
  • Ans. 

    Calculate and print the median after each new integer is added to the stream.

    • Use a min heap to store the larger half of the numbers and a max heap to store the smaller half.

    • Keep the two heaps balanced by ensuring the size difference is at most 1.

    • If the total number of elements is odd, the median is the top of the larger heap. If even, average the tops of both heaps.

  • Answered by AI
  • Q2. Can you explain the implementation of an LRU (Least Recently Used) Cache in a database management system?
  • Ans. 

    LRU cache in a database management system stores most recently used data and removes least recently used data when full.

    • LRU cache is implemented using a doubly linked list and a hash map.

    • Each node in the linked list represents a key-value pair.

    • When a key is accessed, it is moved to the front of the linked list.

    • If the cache is full, the least recently used node at the end of the list is removed.

    • Example: If cache size is...

  • Answered by AI
  • Q3. Design a stack that supports the getMin() operation in O(1) time and O(1) extra space.
  • Ans. 

    Use two stacks - one to store actual values and one to store minimum values.

    • Use two stacks - one to store actual values and one to store minimum values

    • When pushing a new value, check if it is smaller than the current minimum and push it to the min stack if so

    • When popping a value, check if it is the current minimum and pop from min stack if so

    • getMin() operation can be done by peeking at the top of the min stack

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI applied for the job as Software Engineer in NoidaEligibility criteria10th /12 th-60 % Btech-7 CGPAPaytm (One97 Communications Limited) interview preparation:Topics to prepare for the interview - DSA, OOPs, Computer Networking, System Design ,OOPsTime required to prepare for the interview - 2 monthsInterview preparation tips for other job seekers

Tip 1 : Properly grasp over basic concepts
Tip 2 : Prepare good for DS & Algo as most companies have a separate round for it.
Tip 3 : Don't lie over your resume

Application resume tips for other job seekers

Tip 1 : Don't Lie over your resume
Tip 2 : Avoid unnecessary details like Hobbies, family details, declaration, date, signature, etc.

Final outcome of the interviewRejected

Skills evaluated in this interview

I appeared for an interview before Sep 2020.

Round 1 - Face to Face 

(2 Questions)

Round duration - 60 Minutes
Round difficulty - Easy

  • Q1. 

    0/1 Knapsack Problem Statement

    A thief is planning to rob a store and can carry a maximum weight of 'W' in his knapsack. The store contains 'N' items where the ith item has a weight of 'wi' and a value of...

  • Ans. 

    Yes, the 0/1 Knapsack problem can be solved using dynamic programming with a space complexity of not more than O(W).

    • Use a 1D array to store the maximum value that can be stolen for each weight capacity from 0 to W.

    • Iterate through each item and update the array based on whether including the item would increase the total value.

    • The final value in the array at index W will be the maximum value that can be stolen.

  • Answered by AI
  • Q2. 

    Find the Second Largest Element

    Given an array or list of integers 'ARR', identify the second largest element in 'ARR'.

    If a second largest element does not exist, return -1.

    Example:

    Input:
    ARR = [2,...
  • Ans. 

    Find the second largest element in an array of integers.

    • Iterate through the array to find the largest and second largest elements.

    • Handle cases where all elements are identical.

    • Return -1 if a second largest element does not exist.

  • Answered by AI
Round 2 - Video Call 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Easy

System Design Round

  • Q1. Design a system for Twitter, discussing its architecture, key components, and scalability considerations.
  • Ans. 

    Design a scalable system for Twitter with key components and architecture.

    • Use microservices architecture for scalability and fault isolation.

    • Key components include user service, tweet service, timeline service, and notification service.

    • Use a distributed database like Cassandra for storing tweets and user data.

    • Implement a message queue like Kafka for handling real-time updates and notifications.

    • Use a caching layer like ...

  • Answered by AI
Round 3 - HR 

Round duration - 30 Minutes
Round difficulty - Easy

It is just a formality

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in BangaloreEligibility criteriaResume shortlistingSwiggy interview preparation:Topics to prepare for the interview - OOPS, Data Structures, Core Java, Algorithms, DBMS, SQL,Time required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

Tip 1 : System Design
Tip 2 : Practice questions from leetcode
Tip 3 : Have some projects.

Application resume tips for other job seekers

Tip 1 : Mention what you know 
Tip 2 : Good previous work to showcase

Final outcome of the interviewSelected

Skills evaluated in this interview

I applied via LinkedIn and was interviewed before May 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Questions were from SQL, Python, Statistics & Business Case Studies/Metrics in the form of 4-5 rounds.

Interview Preparation Tips

Interview preparation tips for other job seekers - So Key Takeaway is You have to be good with your Technical Knowledge (SQL Expert, Python, Overall Stats Knowledge) and That is not really enough. What differs a Business Analyst from other Developers/Statisticians etc. is Business acumen, Problem Solving Skills etc. To have a Business Knowledge and Understanding such that you find the problems/solutions/ Metrics and then solve them using the Technology.

Interview Questionnaire 

2 Questions

  • Q1. What is solid principles
  • Ans. 

    SOLID principles are a set of five design principles for writing maintainable and scalable code.

    • S - Single Responsibility Principle

    • O - Open/Closed Principle

    • L - Liskov Substitution Principle

    • I - Interface Segregation Principle

    • D - Dependency Inversion Principle

  • Answered by AI
  • Q2. What are internal working of has set
  • Ans. 

    HashSet is a collection that stores unique elements by using a hash table.

    • Elements are stored based on their hash code

    • Uses hashCode() and equals() methods to check for duplicates

    • Does not maintain insertion order

    • Allows null values

    • Example: HashSet set = new HashSet<>(); set.add("apple"); set.add("banana");

Answered by AI

Skills evaluated in this interview

I applied via Approached by Company and was interviewed before Feb 2021. There was 1 interview round.

Round 1 - One-on-one 

(1 Question)

  • Q1. Basic end user understanding

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and share your experiences in correct way

I applied via Referral and was interviewed in Sep 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. How can you deel with merchens(costumer) ?

Interview Preparation Tips

Interview preparation tips for other job seekers - First I explain prodect benefits and convenc to buy prodect.

LazyPay Interview FAQs

How to prepare for LazyPay interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at LazyPay. The most common topics and skills that interviewers at LazyPay expect are Python, SQL, Analytics, Business Analysis and Business Analytics.

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LazyPay Reviews and Ratings

based on 5 reviews

3.8/5

Rating in categories

3.4

Skill development

3.8

Work-life balance

3.5

Salary

3.7

Job security

3.3

Company culture

3.2

Promotions

3.1

Work satisfaction

Explore 5 Reviews and Ratings
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