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
Solution
The most suitable C++ data structure for implementing a first-in, first-out (FIFO) collection of elements is a Queue.
Here's why:
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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.
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Elements are pushed into the "back" of the queue and popped from its "front". This mirrors exactly the first in, first out (FIFO) behavior.
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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.
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