IBM
Lava International Interview Questions and Answers
Q1. Star Pattern Problem Statement
Display the star pattern for a given positive integer N.
Example:
Input:
N = 4
Output:
*
***
*****
*******
Explanation:
The dots in the image represent spaces. Align the stars in...read more
Display a star pattern in a pyramid shape for a given positive integer N with spaces in between.
Start by printing spaces in decreasing order and stars in increasing order for each row
Use nested loops to handle spaces and stars accordingly
Consider the total number of characters in each row to maintain the pyramid shape
Matching orientations based on suggested rotation degrees.
Calculate the difference between the current orientation and the suggested rotation degrees.
Apply the necessary rotation to match the orientations.
Consider the direction of rotation (clockwise or counterclockwise).
Q3. Design a system for railway ticket booking
Design a system for railway ticket booking
Create a user-friendly interface for booking tickets
Integrate payment gateway for secure transactions
Implement seat availability and reservation system
Include features for cancellation and refund
Develop a database to store user and ticket information
Q4. Any questions?
Yes, I have a few questions regarding the company culture and team dynamics.
Can you tell me more about the team structure and how collaboration is encouraged?
What is the company's approach to professional development and growth?
How does the company prioritize work-life balance for its employees?
Q5. Two Sum: given 2 numbers, check if there exists 2 numbers such that they sum to target
Given an array of numbers, check if there exists two numbers that sum to a target number.
Use a hash set to store the complement of each number as you iterate through the array.
For each number, check if its complement exists in the hash set.
If the complement exists, return true. Otherwise, add the number to the hash set.
If no two numbers sum to the target, return false.
Q6. What is CRM? WHAT WORK FLOW?
CRM stands for Customer Relationship Management. It is a software that helps businesses manage their interactions with customers.
CRM helps businesses organize customer data and interactions
It can track sales, marketing campaigns, and customer support
Examples of CRM software include Salesforce, HubSpot, and Zoho CRM
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