Maximum difference between two elements such that larger element appears after the smaller number.Maximum profit by buying and selling a share at most k times.Maximum profit by buying and selling a share at most twice.Count possible ways to construct buildings.Compute sum of digits in all numbers from 1 to n.Program for Sum of the digits of a given number.Finding sum of digits of a number until sum becomes single digit.Introduction to Stack – Data Structure and Algorithm Tutorials.Implement a stack using singly linked list.Queue | Set 1 (Introduction and Array Implementation).Circular Queue | Set 1 (Introduction and Array Implementation).Circular Queue | Set 2 (Circular Linked List Implementation).ISRO CS Syllabus for Scientist/Engineer Exam.ISRO CS Original Papers and Official Keys.GATE CS Original Papers and Official Keys.To do this job, you need to maintain a linear array STACK, a pointer variable top which contains the top element. The stack can be represented in memory with the use of arrays. This operation is called as Pop operation If the stack is not empty, the delete the node at its top.If the stack is not empty, then retrieve the node at its top.This operation is termed as Push Operation If the stack is not full, add or insert a new node at the top of the stack.Determine whether the stack is empty or not.He stacks of elements of any particular type is a finite sequence of elements of that type together with the following operations: So you can say that the stack follows the Last In First Out (LIFO) structure. As the item in this form of data structure can be removed or added from the top only which means the last item to be added to the stack is the first item to be removed. Let us suppose take the real-life example of a stack of plates or a pile of books etc. The stack is a linear data structure, and all the insertion and deletion of its values are done in the same end which is called the top of the stack. But in computer programming and development, there may arise some situations where insertion and deletion require only at one end wither at the beginning or end of the list. In case of arrays and linked lists, these two allows programmers to insert and delete elements from any place within the list, i.e., from the beginning or the end or even from the middle also. The stack is mostly used in converting and evaluating expressions in Polish notations, i.e.: Stacks can be implemented by using arrays of type linear. In this chapter, you will study the various operations and working technique of stack data structure.Ī stack is a linear data structure in which all the insertion and deletion of data or you can say its values are done at one end only, rather than in the middle. It falls under the category of an abstract data type which serves as a concrete and valuable tool for problem-solving. In this chapter, you will explore one of the most important data structures which are used in many fields of programming and data handling, i.e., the Stack. Basic Concepts of Data Structures Data Structure Introduction Data Structures Environment Setup Fundamental Elements of Data Structure Arrays, Iteration, Invariants Data Structures and Arrays Lists, Recursion, Stacks, Queues Linked List Polynomials Using Linked List and Arrays Concepts of Stack in Data Structure Concepts of Queue in Data Structure Algorithms Principles of Program Analysis Big-O Notation and Algorithm Analysis Searching Techniques Sorting Techniques Bubble Sort Algorithm Selection Sort Algorithm Merge Sort Algorithm Quick Sort Algorithm Insertion Sort Algorithm Greedy Algorithm Trees Binary Trees AVL Trees Forests and Orchards report this ad
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