Dell Research Intern Interview Questions and Answers

I am interested in areas related to machine learning, data analysis, and natural language processing.

• Machine learning

• Data analysis

• Natural language processing

I know several programming languages including Java, Python, and C++.

• Java

• Python

• C++

Heap sort is a comparison-based sorting algorithm that uses a binary heap data structure.

• Heap sort works by first building a heap from the input array.

• Then it repeatedly extracts the maximum element from the heap, and places it at the end of the sorted array.

• The heap is then updated to exclude the extracted element, and the process is repeated until the heap is empty.

• Heap sort has a worst-case and average time complexi...read more

A program to find a palindrome word in a 2D matrix of strings.

• Iterate through each row and column of the matrix

• Check if each string is a palindrome using two pointers approach

• Return the first palindrome word found