as rahul said, pathLen is pass by value, so it is overwriting the old
values at index pathLen in path[]. path[] is pass by ref.
On Thu, Oct 25, 2012 at 3:04 AM, rahul sharma <rahul23111...@gmail.com>wrote:
> I think it is overwritng old values when child end..parent overwrite old
> value with new..m i ryt?
>
>
> On Thu, Oct 25, 2012 at 3:00 AM, rahul sharma <rahul23111...@gmail.com>wrote:
>
>> I wana ask that when we pass array by recursion then as we know formal
>> parameters are passed by value and array by base address/pointre..so in
>> following program path[] arra contain differnt data each recursive call and
>> when child function return their data is also deleted i.e when we are at
>> parent there is only data till parent.So we are having different values in
>> array in recursion tre..So does it passes by value in recursion.If No then
>> hw this is implemented??Silly doubt..Please comment....thnx in advance...
>> Given
>> a binary tree, print out all of its root-to-leaf paths one per line.
>> void printPathsRecur(struct node* node, int path[], int pathLen)
>> {
>> if (node==NULL) return;
>>
>> /* append this node to the path array */
>> path[pathLen] = node->data;
>> pathLen++;
>>
>> /* it's a leaf, so print the path that led to here */
>> if (node->left==NULL && node->right==NULL)
>> {
>> printArray(path, pathLen);
>> }
>> else
>> {
>> /* otherwise try both subtrees */
>> printPathsRecur(node->left, path, pathLen);
>> printPathsRecur(node->right, path, pathLen);
>> }
>> }
>>
>
> --
> You received this message because you are subscribed to the Google Groups
> "Algorithm Geeks" group.
> To post to this group, send email to algogeeks@googlegroups.com.
> To unsubscribe from this group, send email to
> algogeeks+unsubscr...@googlegroups.com.
> For more options, visit this group at
> http://groups.google.com/group/algogeeks?hl=en.
>
--
You received this message because you are subscribed to the Google Groups
"Algorithm Geeks" group.
To post to this group, send email to algogeeks@googlegroups.com.
To unsubscribe from this group, send email to
algogeeks+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/algogeeks?hl=en.
