What is the main disadvantage of using a linked list to implement a stack?

Practice Questions

Q1
What is the main disadvantage of using a linked list to implement a stack?
  1. Higher memory usage per element
  2. Slower access time
  3. Complexity of implementation
  4. No disadvantages

Questions & Step-by-Step Solutions

What is the main disadvantage of using a linked list to implement a stack?
  • Step 1: Understand what a stack is. A stack is a data structure that follows the Last In, First Out (LIFO) principle.
  • Step 2: Know that a linked list is a way to store data where each element points to the next one.
  • Step 3: Realize that in a linked list, each element (node) contains both the data and a pointer to the next node.
  • Step 4: Identify that when using a linked list for a stack, each element requires extra memory for the pointer.
  • Step 5: Compare this to other implementations of a stack, like an array, which only needs memory for the data.
  • Step 6: Conclude that the main disadvantage of using a linked list for a stack is that it uses more memory because of the additional pointers.
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