Non-recursive algorithm, Data Structure & Algorithms

Assignment Help:


QWrite down the non-recursive algorithm to traverse a tree in preorder.

Ans:

The Non- Recursive algorithm for preorder traversal is written below: Initially in the begnining

push NULL onto stack and then set PTR=Root. Keep on repeating the following steps until PTR= NULL.

1. Preorder down the left most paths routed at the PTR.

2. Processing each node N on the path and pushing each right child if there is onto the stack.[The traversing will stop when (PTR)=NULL]

3. Backtracking: pop and assign to PTR the top element on stack. If PTR is not equal to NULL then return to step 1 otherwise it exits.

 


 

 


Related Discussions:- Non-recursive algorithm

State the output of avaerage value of numbers, Draw trace table and determi...

Draw trace table and determine output from the subsequent flowchart using below data:  X = 5, -3, 0, -3, 7, 0, 6, -11, -7, 12

Average case anaysis, what is the impoartance of average case analysis of ...

what is the impoartance of average case analysis of algorithm

Linked list implementation of any circular queue, Link list representation ...

Link list representation of a circular queue is more efficient as it employs space more competently, of course with the added cost of storing the pointers. Program 7 gives the link

Algorithm to add element in the end of circular linked list, Q. Write down ...

Q. Write down an algorithm to add an element in the end of the circular linked list.        A n s . Algo rithm to Add the Element at the End of Circular Linked Lists

What is a linear array, What is a linear array? An array is a way to re...

What is a linear array? An array is a way to reference a series of memory locations using the similar name. Every memory location is shown by an array element. An  array elemen

Booth algorithm, what is boot algorithm and some example

what is boot algorithm and some example

Red-black trees, A Red-Black Tree (RBT) is a type of Binary Search tree wit...

A Red-Black Tree (RBT) is a type of Binary Search tree with one extra bit of storage per node, i.e. its color that can either be red or black. Now the nodes can have any of the col

Algorithm that inputs the codes for all items in stock, A shop sells books,...

A shop sells books, magazines and maps. Every item is identified by a unique 4 - digit code. All books have a code which starts with 1, all maps have a code starting with 2 and all

Graph search using iterative deepening, Prove that uniform cost search and ...

Prove that uniform cost search and breadth- first search with constant steps are optimal when used with the Graph-Search algorithm (see Figure). Show a state space with varying ste

Discuss the brute force algorithm, Question 1 What do you mean by Amortiza...

Question 1 What do you mean by Amortization? Question 2 Explain the following Big Oh notation (O) Omega notation (Ω) Theta notation (Θ)   Question 3 Di

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