![]() ![]() ![]() Then, a check is performed to determine if the stack is empty by comparing top to -1.Īs elements are added to the stack, the position of top is updated.Īs soon as elements are popped or deleted, the topmost element is removed and the position of top is updated. Initially, a pointer ( top) is set to keep the track of the topmost item in the stack. top: Displays the topmost element of the stack.isFull: Checks whether the stack is full.isEmpty: Checks whether the stack is empty.pop: Removes the topmost element from the stack.push: Adds an element to the top of the stack.The following are the basic operations served by stacks. In this article, you will learn about the concept of stack data structure and its implementation using arrays in C. In order to reach the oldest entered item, you must pop all the previous items. When an element is “pushed” onto the stack, it becomes the first item that will be “popped” out of the stack. The behavior of a stack is described as “Last In, First Out” (LIFO). In a stack, the insertion and deletion of elements happen only at one endpoint. A stack is a linear data structure, a collection of items of the same type. ![]()
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