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Which C++ data structure is most suitable for implementing a first-in, first-out (FIFO) collection of elements?StackQueueArrayLinked List

Question

Which C++ data structure is most suitable for implementing a first-in, first-out (FIFO) collection of elements?

  • Stack
  • Queue
  • Array
  • Linked List
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Solution

The most suitable C++ data structure for implementing a first-in, first-out (FIFO) collection of elements is a Queue.

Here's why:

  1. A Queue in C++ is a type of container adaptor, specifically designed to operate in a FIFO context, where elements are inserted into one end and removed from the other end.

  2. Elements are pushed into the "back" of the queue and popped from its "front". This mirrors exactly the first in, first out (FIFO) behavior.

  3. Other data structures like Stack, Array, and Linked List can also be used to implement a FIFO collection, but they are not as straightforward and intuitive as a Queue. For example, a Stack is a last-in, first-out (LIFO) structure, and while Arrays and Linked Lists can be used to implement a Queue, they require additional tracking of indices or nodes.

So, for a simple and intuitive implementation of a FIFO collection in C++, a Queue is the most suitable data structure.

This problem has been solved

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