HashedIn Interview Experience for Intern+FTE (Off-Campus)

I applied directly through the website using a referral for Software Engineer.

Round 1: Online Assessment (90 min)

• 3 Coding questions (Medium to hard level)
• Based on number system and implementation. I could do 2.

Round 2: Technical Round 1 (1hr)

Coding questions  

1. # means backspace. 

Given two strings tell that they are equal or not.
for ex. 
A#BBB#CD  AAA##BBB#CDEF##
They are unequal.
AA#BBB#CD  AAA##BBB#CDEF##
They are unequal.
(Hint Use Stack)

1. One question using Max heap
2. Don’t Remember based on an array
3. Find the middle element in a linked list using a single traversal.
4. SQL query based on JOIN.
5. Some basic theoretical questions based on DBMS, OOPS, OS, etc

Round 3:Technical Round 2 (45-50min)

Got a very good response from previous rounds, so he said let’s move to the design question you will be able to do coding questions.

1. Design a database Schema keeping in mind the following points. 
   Design Support desk application:
   • Companies can register for our application.
   • N number agents can be associated with each company registered.
   • Users use our application to communicate with the agent for an issue with a company product.
   • Ticket to track each problem.
   • Our application allocates the user to the appropriate agent.
   • Handle holidays and leaves of employees.
2. Query 
   • Department and Employee tables. Write a query to get all departments which don’t have any employee.
   • 3rd highest Salary
3. Coding question 

Minimum denomination dispenser.
Given: Amount
List of denominations available:
 [1, 2, 5, 10, 20, 50, 100, 200, 500, 2000]
Output: Denomination with minimum notes/coins.

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