Lava International Interview Questions and Answers

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).

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

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?

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.