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algorithm to find out height and no of nodes in a binary tree [message #103915]

Mon, 17 May 2004 02:56

dipankar saha
Messages: 36
Registered: March 2004

Member

hi to all.

can anyone plz me help me out and provide me the algorithm to find out height and no of nodes in a binary tree.

thanks in advance.

dipankar saha

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Re: algorithm to find out height and no of nodes in a binary tree [message #104023 is a reply to message #103915]

Wed, 30 June 2004 18:05

Jai Vrat Singh
Messages: 205
Registered: September 2002
Location: Singapore

Senior Member

Hi -- it is somwwhat like this ( I HAVE NOT TESTED THE CODE):

int getNodes( struct node* n){

if(n->left == NULL && n->right == NULL)
return(0);
else
return(1+ getNodes(n->left) + getNodes(n->right));
}

int getHeight( struct node* n){
int l_height=0;
int r_height=0;

if(n->left == NULL && n->right == NULL)
return(0);
else{
l_height = getHeight( n->left);
r_heigth = getHeight( n->right);
return(1+ (l_height> r_height)?l_height:r_height);
}
}

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Re: algorithm to find out height and no of nodes in a binary tree [message #104024 is a reply to message #103915]

Wed, 30 June 2004 22:26

Ritesh
Messages: 38
Registered: November 2001

Member

You can use the DEPTH FIRST SEARCH algorithm.
Explanations & Implementations in C can be found in many books(Sartaj Sahni, Data Structures & Algorithms)

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