Chapter 18: Problem 3

What is the difference between a static stack and a dynamic stack?

Short Answer

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Answer: The main differences between a static stack and a dynamic stack are in their memory allocation and adaptability. A static stack has a fixed memory allocation at the time of compilation and cannot grow or shrink during the execution of a program, making it faster and more memory-efficient but less flexible. A dynamic stack allocates memory during runtime and can grow or shrink as needed, offering more flexibility but potentially being slower and less efficient in terms of memory usage due to the overhead associated with memory allocation and deallocation during runtime.

Step by step solution

Define static stack

A static stack is a linear data structure in which the memory allocation for the stack is fixed at the time of its creation. The size of the stack is determined during the program's compilation and remains constant throughout its execution. In a static stack, operations such as push and pop are used for adding and removing elements, but the stack's capacity cannot be altered during runtime.

Define dynamic stack

A dynamic stack, on the other hand, is a linear data structure with flexible memory allocation. Unlike a static stack, the memory for a dynamic stack is allocated during runtime, which allows it to grow or shrink as required. As elements are added or removed from the stack, memory is allocated or deallocated accordingly. This flexibility makes dynamic stacks better suited for situations where the number of items in the stack is unpredictable or subject to change.

Explain differences in memory allocation

The main difference between the two types of stacks is in the way memory is allocated. In a static stack, memory is allocated at the time of compilation, whereas in a dynamic stack, memory allocation occurs during runtime. This means that a static stack has a fixed size and cannot grow or shrink during the execution of a program, whereas a dynamic stack is able to adapt to changes in the number of items stored.

Discuss the advantages and disadvantages

Each type of stack has its own set of advantages and disadvantages. Static stacks are faster and use memory more efficiently, as the memory for the stack is allocated during compilation. However, they are less flexible and may lead to memory waste if the maximum size of the stack is not used. Dynamic stacks offer more flexibility, allowing the stack to grow or shrink as needed during the program's execution, but they may be slower and less efficient in terms of memory usage due to the overhead associated with allocating and deallocating memory during runtime.

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What is the difference between a static stack and a dynamic stack?

Short Answer

Step by step solution

Define static stack

Define dynamic stack

Explain differences in memory allocation

Discuss the advantages and disadvantages

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