Bar Raiser

1. stock buy and sell simple
2. search in rotated sorted array
3. LLD - Design the backend components for an online marketplace where users can buy and sell products. Consider features such as user authentication, product listing, search functionality, shopping cart, and order management.
4. Discuss the challenges and techniques for handling distributed session management. Explain the role of distributed messaging systems like Kafka or RabbitMQ in a backend system.

DSA

1. Given an array like 1,2,2,2,3,3,3,4,5,6 change it in place such that any character repeats only twice and return the length of the new array
   output 1,2,2,3,3,4,5,6,5,6 . Array ends at index 7 where the first 6 is present . Any element after index 7 can be ignored .
2. In a binary tree any random node is put on fire . How much time will it take for the tree to be burnt if 1 edge takes 1 unit time .
   Equates to finding the farthest node from a tree node .

3. HLD and LLD - Flight ticket booking system . First HLD was asked then LLD on entities and DB schema . Questions on auth and authorization

Offer - https://leetcode.com/discuss/post/6700523/kotak-sde2-bangalore-offer-by-anonymous_-r8jh/