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Detecting Loops in Linked Lists

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Questions and Answers

What is the primary advantage of using linked lists over arrays?

Easier implementation

Efficient insertion and deletion of elements (correct)

Less memory usage

Faster random access times

What is the purpose of the 'Next' field in a linked list node?

To point to the next node (correct)

To store the head of the list

To point to the previous node

To store the actual data

What is the main difference between a singly linked list and a doubly linked list?

The presence of a tail pointer

The number of nodes in the list

The direction of traversal (correct)

The amount of memory used

What is a circular linked list?

A linked list where the tail node points back to the head Signup and view all the answers

What is the term for a circumstance where a linked list has no ends?

A loop Signup and view all the answers

What is the primary disadvantage of using doubly linked lists?

More memory usage Signup and view all the answers

What is the primary characteristic of a linked list with a loop?

The last pointer points to the head of the linked list. Signup and view all the answers

What is the purpose of the slow and fast pointers in the loop detection algorithm?

To detect the presence of a loop in the linked list. Signup and view all the answers

What happens if the fast pointer reaches the end of the linked list?

The algorithm returns 'No Loop Detected'. Signup and view all the answers

How does the fast pointer move in the loop detection algorithm?

Two steps at a time. Signup and view all the answers

What is the condition to return 'Loop Detected' in the loop detection algorithm?

When the slow pointer is equal to the fast pointer. Signup and view all the answers

What is the purpose of the detectLoop function?