Your swap function is not correct. You are swapping p & q locally. Since you
are using c++, make the following changes.
void swap*(node* &p,node* &q)*
{
node *t;
t=p;
p=q;
q=t;
}
Regards,
Sandeep Jain
On Thu, Jul 14, 2011 at 1:45 AM, Anika Jain <[email protected]> wrote:
> n sorry i have wriiten it in c++ not c..
>
>
> On Thu, Jul 14, 2011 at 1:44 AM, Anika Jain <[email protected]>wrote:
>
>> by using swap function is pointer to a pointer used then??
>>
>>
>> On Thu, Jul 14, 2011 at 1:36 AM, Piyush Kapoor <[email protected]>wrote:
>>
>>> u need a pointer to a pointer to swap the pointers...
>>>
>>>
>>> On Thu, Jul 14, 2011 at 1:21 AM, Anika Jain <[email protected]>wrote:
>>>
>>>> can some body tell me that:
>>>>
>>>> void swap(node *p,node *q)
>>>> {
>>>> node *t;
>>>> t=p;
>>>> p=q;
>>>> q=t;
>>>> }
>>>>
>>>> void mirror(node *p)
>>>> {
>>>> if (p==NULL)
>>>> return;
>>>>
>>>> else
>>>> { mirror(p->r);
>>>> mirror(p->l);
>>>> swap(p->r,p->l);
>>>> }
>>>> }
>>>>
>>>> in this the swapping is occuring but if i do :
>>>>
>>>> void mirror(node *p)
>>>> {
>>>> if (p==NULL)
>>>> return;
>>>>
>>>> else
>>>> { mirror(p->r);
>>>> mirror(p->l);
>>>> node *t;
>>>> t=p->r;
>>>> p->r=p->l;
>>>> p->l=t;
>>>> }
>>>> }
>>>>
>>>>
>>>> here it is not getting done .. why??
>>>>
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>>>
>>>
>>>
>>> --
>>> *Regards,*
>>> *Piyush Kapoor,*
>>> *CSE-IT-BHU*
>>>
>>> --
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>>>
>>
>>
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