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

Simplifying assumptions of wire frame representation, Simplifying Assumptio...

Simplifying Assumptions of wire frame representation Neglect colour - consider Intensity: For now we shall forget about colour and restrict our discussion just to the intensi

Write a program for linear search, In the book the following methods are pr...

In the book the following methods are presented: static void selectionSort(Comparable[] list) static void insertionSort(Comparable[] list) static boolean linearSearch(Comparable

Define the internal path length, Define the Internal Path Length The In...

Define the Internal Path Length The Internal Path Length I of an extended binary tree is explained as the sum of the lengths of the paths taken over all internal nodes- from th

Explain merge sort, Merge sort: Merge sort is a sorting algorithm that ...

Merge sort: Merge sort is a sorting algorithm that uses the idea of split and conquers. This algorithm splits the array into two halves, sorts them separately and then merges t

Time complexity, The  total  of  time  needed  by  an algorithm to run to i...

The  total  of  time  needed  by  an algorithm to run to its completion is termed as time complexity. The asymptotic running time of an algorithm is given in terms of functions. Th

Define the term counting - pseudocode, Define the term counting - Pseudocod...

Define the term counting - Pseudocode Counting in 1s is quite simple; use of statement count = count + 1 would enable counting to be done (for example in controlling a repeat

Total impedent of the circuit, an electrical student designed a circuit in...

an electrical student designed a circuit in which the impedence in one part of a series circuit is 2+j8 ohms and the impedent is another part of the circuit is 4-j60 ohm mm program

Arrays, This unit discussed about data structure called Arrays. The easiest...

This unit discussed about data structure called Arrays. The easiest form of array is a one-dimensional array which may be described as a finite ordered set of homogeneous elements

Nonrecursive implementation of a recursive algorithm?, What data structure ...

What data structure would you mostly likely see in a nonrecursive execution of a recursive algorithm? Stack

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