Insert operation is called push operation. The insertion takes place at the rear of the list and the deletion takes place from the front of the list. Insertion and deletion in queues takes place from the opposite ends of the list. Insertion and deletion in stacks takes place only from one end of the list called the top. Queues are based on the FIFO principle, i.e., the element inserted at the first, is the first element to come out of the list. Stacks are based on the LIFO principle, i.e., the element inserted at the last, is the first element to come out of the list. The diagrammatic representation of the queue is given below:ĭifference between Stack and Queue Data Structures are as follows: Stacks
#Difference between stack and queue free#
#Difference between stack and queue full#
In the case of the stack, the examination of the full condition can be given as Top = Max – 1 whereas, in the queue, the examination of the full condition can be given as Rear = Max – 1. Push and pop are operations performed in the stack and enqueue and dequeue are operations performed in the queue. Thus it can be concluded by saying that stack and queue are both non-primitive but they are distinctly different from each other based on various parameters.
In the case of the queue, the rear end is associated with addiction and the front end is associated with elements’ deletion. In the case of the stack, elements can be inserted as well as deleted from the very same end.Usage of pointers in case of the stack is one and in case of the queue, it is two.The working principle of the stack is known to be the LIFO type of list whereas the working principle of the queue is the FIFO type of list.Examination of the full condition of the stack is Top = Max – 1.Įxamination of empty condition is Front = -1|| Front ++ Rear + 1 and examination of full condition is Rear = Max – 1. Examination of condition Examination of an empty condition associated with the stack is Top = – 1. Its implementation is comparatively complex. This data structure has variants such as priority queue, circular queue, and doubly ended queue. The implementation associated with it is simpler.
Unlike queue, the stack data structure is not associated with variants. In the case of the queue, the rear end is concerned with the insertion and the front end is concerned with the deletion of elements. Structure In this data structure of stack, elements can be inserted with the utilization of one and can be deleted using the same end. The operations performed in this data structure are enqueue and dequeue. The number of pointers used in the queue is two. The operations performed in this data structure are push and pop. Usage of pointers and operations The number of pointers used in the stack is one. The working principle associated with the queue is considered to be first in first out list type or FIFO.
Stack Queue Working principle The working principle associated with the stack is considered as LIFO or last in the first out type of list. Comparison Table Between Stack and Queue Parameters for comparison The queue can exhibit the performance of basic operations such as enqueue and dequeue. It has two ends rare and front ends where elements are inserted or deleted respectively. It is a gathering of elements that are similar to each other.
The queue is also considered as the non-primitive type of data structure that is linear. The stack can exhibit the performance of basic operations such as PUSH and POP. From one end, the pre-established element is removed and new elements are added in this ordered list which is known as the TOS or the top of the stack.
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