Hackwithinfy Interview Experience for Specialist Programmer

Round 1: This round consists of 3 DSA questions:

• The first problem was based on finding the largest rectangle area under the histogram 
  https://www.geeksforgeeks.org/largest-rectangle-under-histogram/
• The second question was based on Knapsack
  https://www.geeksforgeeks.org/0-1-knapsack-problem-dp-10/
• The Third problem was also a hard DP problem

Round 2: This round was a Technical Interview: Questions asked were:

• Introduce yourself
• How to implement Stack Using Queue
• Write a code for a given question that question was based on an array.
• What is a binary tree
• Difference between Binary tree and BST
• Write a code for BFS traversal of Binary Tree
• Some questions related to oops like what is oops than discussed all its concepts
• What is the primary key 
• Difference between primary key and unique key
• At last he asked 2 SQL queries

Tips: Focus on the easy-medium level of questions for the interview and also be prepared with core specially DBMS and SQL queries.

SELECTED