we have to include every node??if distance for two or more nodes is same
they are summed???m i ryt???i doubt
On Mon, Mar 19, 2012 at 9:36 PM, shady <sinv...@gmail.com> wrote:
> oops no 2 there
>
>
> On Mon, Mar 19, 2012 at 9:36 PM, shady <sinv...@gmail.com> wrote:
>
>> if tree is like
>>
>> 1 / \ 2 3 / \ / \ 4 5 6 7
>> / \
>> 12 -8
>>
>> then vertical sums are
>>
>> 12(1 + 5 + 6)
>> 2
>> 4
>> -6(2+-8)
>> 3
>> 7
>> 12
>>
>>
>>
>> On Mon, Mar 19, 2012 at 9:05 PM, rahul sharma <rahul23111...@gmail.com>wrote:
>>
>>> @supraja ..can u give example..code not needed..
>>>
>>> @all..plz post me example.i dnt know what is vertical sum..i wana know
>>> only that..thnx...
>>>
>>> On Mon, Mar 19, 2012 at 7:31 PM, shady <sinv...@gmail.com> wrote:
>>>
>>>> anything that can help people learn is always allowed. :)
>>>>
>>>>
>>>> On Sun, Mar 18, 2012 at 6:38 PM, Supraja Jayakumar <
>>>> suprajasank...@gmail.com> wrote:
>>>>
>>>>> Hi
>>>>> Others are also welcome to comment on the code. If links are allowed
>>>>> in algogeeks, I might send my wordpress blog link that explains this
>>>>> problem in detail and in picture.
>>>>>
>>>>> BinaryTree* VerticalSum(BinaryTree *bt) {
>>>>> if(!bt) return;
>>>>> BinaryTree *left = bt->left;
>>>>> BinaryTree *right = bt->right;
>>>>> bt->VerticalSumValue += right(left)->value+left(right)->value;
>>>>> VerticalSum(left);
>>>>> VerticalSum(right);
>>>>> }
>>>>>
>>>>> BinaryTree* right(BinaryTree *left) {
>>>>> if(!left) return;
>>>>> sum+=right(left->right);
>>>>> return sum;
>>>>> }
>>>>>
>>>>> BinaryTree *left(BinaryTree *right) {
>>>>> if(!right) return;
>>>>> sum+=left(right->left);
>>>>> return sum;
>>>>> }
>>>>>
>>>>> Thanks
>>>>>
>>>>> Supraja J
>>>>>
>>>>>
>>>>> On Sun, Mar 18, 2012 at 5:50 AM, rahul sharma <rahul23111...@gmail.com
>>>>> > wrote:
>>>>>
>>>>>> plz some one explain...i hav read online but getting the code and
>>>>>> same explanaiton...need it urgent...thnx in advance
>>>>>>
>>>>>>
>>>>>> On Sun, Mar 18, 2012 at 12:38 AM, rahul sharma <
>>>>>> rahul23111...@gmail.com> wrote:
>>>>>>
>>>>>>> @anna..plz elaborate more...
>>>>>>>
>>>>>>>
>>>>>>> On Sun, Mar 18, 2012 at 12:26 AM, Supraja Jayakumar <
>>>>>>> suprajasank...@gmail.com> wrote:
>>>>>>>
>>>>>>>> Hi
>>>>>>>>
>>>>>>>> I think its the sum of all the right children of the left subtree
>>>>>>>> and left children of the right subtree. (Note: this does NOT apply
>>>>>>>> recursively)
>>>>>>>>
>>>>>>>> Thanks
>>>>>>>>
>>>>>>>>
>>>>>>>> On Sat, Mar 17, 2012 at 9:31 AM, rahul sharma <
>>>>>>>> rahul23111...@gmail.com> wrote:
>>>>>>>>
>>>>>>>>> plz explain...i m nt able to get the concept.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On Sat, Mar 17, 2012 at 8:50 PM, rahul sharma <
>>>>>>>>> rahul23111...@gmail.com> wrote:
>>>>>>>>>
>>>>>>>>>> how come 2,3,7 in vertical sum?
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On Sat, Mar 17, 2012 at 3:48 PM, prashant thorat <
>>>>>>>>>> prashantnit...@gmail.com> wrote:
>>>>>>>>>>
>>>>>>>>>>> First , Do recursive traverse from root node and assign vertical
>>>>>>>>>>> level for each node. like this,
>>>>>>>>>>> for root node level = 0 , root->left level = -1 ,
>>>>>>>>>>> root->left->right = 0 , root->left->left = -2, like this
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> so below tree becomes,
>>>>>>>>>>>
>>>>>>>>>>> 1(0)
>>>>>>>>>>> / \
>>>>>>>>>>> 2(-1) 3(1)
>>>>>>>>>>> / \ / \
>>>>>>>>>>> 4(-2) 5(0) 6(1) 7(2)
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> After this again, take an array to store sum initialize to 0,
>>>>>>>>>>> and traverse tree again , while traversing store the value of that
>>>>>>>>>>> node in
>>>>>>>>>>> it's level.
>>>>>>>>>>>
>>>>>>>>>>> This way u'll be able to calculate vertical sum.
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> Thanks
>>>>>>>>>>>
>>>>>>>>>>> On Sat, Mar 17, 2012 at 3:29 PM, rahul sharma <
>>>>>>>>>>> rahul23111...@gmail.com> wrote:
>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> what is vertical sum in binayr tree...i dnt need the algo for
>>>>>>>>>>>> this..just need the concept...that what is vertical sum???
>>>>>>>>>>>>
>>>>>>>>>>>> Given a Binary Tree, find vertical sum of the nodes that are in
>>>>>>>>>>>> same vertical line. Print all sums through different vertical
>>>>>>>>>>>> lines.
>>>>>>>>>>>>
>>>>>>>>>>>> Examples:
>>>>>>>>>>>>
>>>>>>>>>>>> 1
>>>>>>>>>>>> / \
>>>>>>>>>>>> 2 3
>>>>>>>>>>>> / \ / \
>>>>>>>>>>>> 4 5 6 7
>>>>>>>>>>>>
>>>>>>>>>>>> The tree has 5 vertical lines
>>>>>>>>>>>>
>>>>>>>>>>>> Vertical-Line-1 has only one node 4 => vertical sum is 4
>>>>>>>>>>>> Vertical-Line-2: has only one node 2=> vertical sum is 2
>>>>>>>>>>>> Vertical-Line-3: has three nodes: 1,5,6 => vertical sum is
>>>>>>>>>>>> 1+5+6 = 12
>>>>>>>>>>>> Vertical-Line-4: has only one node 3 => vertical sum is 3
>>>>>>>>>>>> Vertical-Line-5: has only one node 7 => vertical sum is 7
>>>>>>>>>>>>
>>>>>>>>>>>> So expected output is 4, 2, 12, 3 and 7
>>>>>>>>>>>>
>>>>>>>>>>>> --
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>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> --
>>>>>>>>>>> Yours affectionately,
>>>>>>>>>>> Prashant Thorat
>>>>>>>>>>>
>>>>>>>>>>>
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