building an expression tree from infix then walking it to produce postfix

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Takes you through a diagrammatic process for building an expression tree for an infix expression. Then shows you how to walk the tree to produce a postfix (reverse polish) expression usable for evaluation using a stack.

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I don't understand why every professor on earth won't look at this video and explain it like that. Most of my professors are always teaching these trivial information in a really complicated way. Thanks a lot!

villancikos

Left Right Root! Left Right Root! Left Right Root! I just lost track with that .... This is a great explanation!!! Thank you

gautam

PostFix conversion starts at 5:40 ... Thanks for such a good explanation...

Farrukhw

Wow, you're explanation/method was infinitely better than my CS professors. Thanks so much!

ryanjensen

one word: brilliant! Thank you very much. The Internet is full of crap, but people like you remind me why it is a great invention!

superkimsay

Simple yet effective explanation..don't know why my professor makes it complex
Thank you

kamathprajna

Thank you very much! only video that made sense

alfredoperez

You are a Genius, my very good friend Haadee recommended you to me. I shall remember you forever when I pass my degree. You are a legend !

mohammaddcheema

That line technique was wonderful, i sorted out the rest myself i.e. preorder and inorder. Keep up the good work. Many thanks

GagandeepSingh-tlzg

Really clear explanation and high video quality, thanks a lot =)

OthmanAlikhan

You sir helped understand this easily. This is a great approach.

MegaGamervids

Oh my God. I didn't thought this approach.Thank you.

KishanRaval

Wish I had teachers like you, very nice and clear

Atma

Oh shit. This video totally helped me. Thanks man.

JakzAizzat

this guy is awesome. i wish he was my teacher

Venuhmz

my teacher taught me another method of how to traverse nodes, but this one was epic! I am taking computing 9691 CIE, and even in the course book, the method is not as good as yours. hats off to you! :)

feverdelrey

thank you sir !!!u really made it clear

NehaKumari-yfbh

very very useful sir.IT is mind blogging.

BharghaviGanesan

Can't we either convert infix to prefix or postfix first and then construct an expression tree from it with an easy algorithm?

TechnoDB

Thank you sir! That helped...btw I love the British accent. :D

ViddeshG

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