@tushar that would modify the tree structure
here is a different approach
int count=0; //global
void modified_inorder(node *root){
if(root!=NULL){
modified_inorder(root->left);
node *temp;
if(count==0){
root->p=NULL;
temp=root;
count++;
}
else{
if(root->p!=temp){
root->p=NULL;
}
temp=root;
}
}
On Mon, Feb 14, 2011 at 7:59 PM, Tushar Bindal <tushicom...@gmail.com>wrote:
> I think the following algo should work:
> 1. Create a DLL of the inorder traversal of the tree
> 2. for each node, check whether P of that node points to the previous node
> in the DLL or not.
> 3. If not, assign it value NULL
>
>
>
> --
> Tushar Bindal
> Computer Engineering
> Delhi College of Engineering
> Mob: +919818442705
> E-Mail : tusharbin...@jugadengg.com, tushicom...@gmail.com
>
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With Regards,
*Jalaj Jaiswal* (+919019947895)
Software developer, Cisco Systems
B.Tech IIIT ALLAHABAD
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