DIATOZ Solutions Interview Questions and Answers

Q1. Tell about yourself
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Q2. Past work experience
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Q1. Basics of Ruby, polymorphism in Ruby, variables and data types
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Q2. Associations in Ruby on Rails
Ans. 
Associations in Ruby on Rails allow you to connect models and establish relationships between them.
• Associations define the relationships between different models in a Rails application.

• There are different types of associations like belongs_to, has_one, has_many, and has_and_belongs_to_many.

• For example, a User model may have many Posts, so the User model would have a has_many association with the Post model.

• Associations...read more
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Q1. Get 2 nd max element from array
Ans. 
Get 2nd max element from array of strings
• Sort the array in descending order

• Return the element at index 1

• Handle edge cases like array length < 2
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Q2. Using Binary search sort array
Ans. 
Binary search algorithm to sort an array of strings.
• Array must be sorted before applying binary search.

• Divide the array into two halves and compare the middle element with the target.

• If the middle element is greater than the target, search the left half. Else, search the right half.

• Repeat until the target is found or the search space is exhausted.
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Q1. Get subset from array who sum is equal to k
Ans. 
Find subset from array whose sum is equal to k
• Use dynamic programming to solve the problem

• Create a 2D array to store the subset sum

• Iterate through the array and check if the sum is equal to k

• If yes, return the subset

• If no, continue iterating
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Duration - 40 to 45minutes
Topics - MCQ Questions and Video Questions on HR and Recruitment

Q1. Self introduction
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Q2. 1.Current roles and responsibilties 2.Technical skills
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Q3. Why you choose Diatoz?
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Q4. Analytical skills Problem solving skills
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