Unthinkable Solutions Interview Experience

Round 1: Online Test :

Three coding questions on the Hackererath platform.

• Count the number of duplicate words in a given sentence.
• Change array element to the sum of next and previous element.
• Jumping from the cell.

There is a sectional cut-off for each section to clear the test.

Out of 444 students, 29 were selected for the next round, 143 were selected for the retest.

Round 2: 3 coding questions on the Hackererath platform.

• Mega prime number b/w given range.
• Find a minimum number of brackets reversals to make the expression balanced.
• Minimum absolute difference pair in an array.

Out of 143 students, 44 were selected for the next round.

Round  3: Technical Round 1

• Introduction
• Showed my project application and database.
• Asked my preferred programming language, counter ques diff b/w c++, java.
• Functions inside iostream header.
• Given an unsorted array, sort it using any sorting algorithm and find max element( used quick sort)
• Program to reverse string, number.
• SQL query to find top 10 records.
• Difference between Primary, Foreign key.
• DDL vs. DML
• Any ques for me?.
• Google docs were used for coding.

Round  4: Technical Round 2

• Introduction
• Showed my project application and database.
• B+ trees.
• Difference between Primary, Foreign key.
• Merge sort and code.

Round: HR

• Quite unprofessional.
• Introduction
• How is unthinkable different from Daffodil(Parent company)
• Family information.
• Internships.
• Service agreement.
• Projects(only tech stack)
• CTC breakdown

I got verbal confirmation about the offer.

Finally, 28 students were selected for Unthinkable Solutions.