VassarLabs R&D Engineer Interview Questions and Answers for Freshers

MCQ on DSA, 2 simple coding question

Q1. Rotate array clockwise K times, implement binary search
Ans. 
Rotate array clockwise K times, implement binary search
• Rotate the array by reversing the array and then reversing the first K elements and then reversing the remaining elements

• Implement binary search by dividing the array into two halves and comparing the middle element with the target

• Repeat the binary search until the target is found or the array is exhausted
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Q2. DSA and OOPS conceptual questions
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Q1. Implement linked list and its operations
Ans. 
A linked list is a data structure where each element points to the next element. Operations include insertion, deletion, and traversal.
• To insert a new element, create a new node and update the pointers of the previous and next nodes.

• To delete an element, update the pointers of the previous and next nodes to skip the node to be deleted.

• Traversal involves starting at the head node and following the pointers to each subse
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