Implementation of stack, Data Structure & Algorithms

Assignment Help:

Before programming a problem solution those employees a stack, we have to decide how to represent a stack by using the data structures which exist in our programming language. Stacks might be represented in the computer in several ways, usually by means of a one-way list or a linear array. Each of the approach has its advantages & disadvantages. Generally a stack is implemented with two essential operations - push & pop. Push means to add an item on to stack. The push algorithm is sown in Figure.

Here, tos is a pointer which indicates the position of top most items into the stack. Stack is represented through the array arr and MAXSTACK represents the maximum possible number of elements into the stack. The pop algorithm is shown in Figure

Step 1: [test out for stack overflow]

if tos >=MAXSTACK

print "Stack is overflow" and exit

Step 2: [Increment the pointer value through one]

tos=tos+1

Step 3: [Add the item]

Step 4: Exit

arr[tos]=value

The pop operation eliminates the topmost item from the stack. After elimination of top most value tos is decremented by 1.

Step 1: [test out whether the stack is empty]

if tos = 0

print "Stack is underflow" and exit

Step 2: [Elimiante the top most item] value=arr[tos] tos=tos-1

Step 3: [Return the item of the stack]

return(value)


Related Discussions:- Implementation of stack

Logic circuits, the voltage wave forms are applied at the inputs of an EX-O...

the voltage wave forms are applied at the inputs of an EX-OR gate. determine the output wave form

Data communication, #question.explain different types of errors in data tra...

#question.explain different types of errors in data transmission.

Binary trees, A binary tree is a special tree where each non-leaf node can ...

A binary tree is a special tree where each non-leaf node can have atmost two child nodes. Most important types of trees which are used to model yes/no, on/off, higher/lower, i.e.,

Explain about the doubly linked list with neat diagram, Problem 1. Expl...

Problem 1. Explain about the doubly linked list with neat diagram. Diagram Explaining doubly linked list 2. Explain what are the criteria to be used in evaluatin

A full binary tree with 2n+1 nodes, A full binary tree with 2n+1 nodes have...

A full binary tree with 2n+1 nodes have n non-leaf nodes

Determine the term - loops, Loops There are 3 common ways of performin...

Loops There are 3 common ways of performing a looping function: for ... to ... next, while ... endwhile and repeat ... until The below example input 100 numbers and find

Limitation of binary search, Limitation of Binary Search: - (i)  The co...

Limitation of Binary Search: - (i)  The complexity of Binary search is O (log2 n). The complexity is similar irrespective of the position of the element, even if it is not pres

Breadth-first search, Breadth-first search starts at a given vertex h, whic...

Breadth-first search starts at a given vertex h, which is at level 0. In the first stage, we go to all the vertices that are at the distance of one edge away. When we go there, we

Explain internal and external nodes, Explain Internal and External Nodes ...

Explain Internal and External Nodes  To  draw  the  tree's  extension  by  changing  the  empty  subtrees  by  special nodes. The  extra  nodes shown by little squares are know

Calculation of storage complexity, Since memory is becoming more & cheaper,...

Since memory is becoming more & cheaper, the prominence of runtime complexity is enhancing. However, it is very much significant to analyses the amount of memory utilized by a prog

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd