[algogeeks] Re: Trees

2011-08-11 Thread amit karmakar
5 is possible.
Considering root of the tree to be at level 0,
level 1 and level 2 are completely filled.

There are 5 internal nodes in level 1, (since all level 2 nodes are
present)
Now only (10 - 5(from level 1)+1(the root)) nodes are required.
So choose 4 nodes from level 2 and make them interior node.
So you get 4*5(4 nodes have 5 children) + (5*5(There are 5*5 nodes in
level 2)-4(These became leaves)) leaves.

Unfortunately 5 is not in the option

On Aug 11, 7:31 pm, rShetty rajeevr...@gmail.com wrote:
  A complete n- array tree in which each node has n children or no
 children, let i be the number of internal nodes and L be the number of
 leaves in a complete n- array tree. If L=41 and i=10 what is the value
 of n.

 a. 3    b. 6   c. 4

 How to solve such problems??

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[algogeeks] Re: Trees

2011-08-11 Thread amit karmakar
I tried solving this problem and came to conclusion that none of the
options can be correct. Indeed for value 5, you can have a solution.
Then i googled for this question, and found out that, you have an
option missing. i.e 5 :|

On Aug 11, 9:01 pm, rajeev bharshetty rajeevr...@gmail.com wrote:
 @all : Could anyone explain it using the tree diagram . @nithin : 4 may not
 be th answer i am not able to plot into a tree satisfying those constarints

 On Thu, Aug 11, 2011 at 9:16 PM, Nitin Nizhawan 
 nitin.nizha...@gmail.comwrote:





  i guess answer is c. 4

  n*i+1

  On Thu, Aug 11, 2011 at 8:01 PM, rShetty rajeevr...@gmail.com wrote:

   A complete n- array tree in which each node has n children or no
  children, let i be the number of internal nodes and L be the number of
  leaves in a complete n- array tree. If L=41 and i=10 what is the value
  of n.

  a. 3    b. 6   c. 4

  How to solve such problems??

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 Regards
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 *Winners Don't do Different things , they do things Differently*

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Re: [algogeeks] Re: Trees

2011-08-11 Thread rajeev bharshetty
@amit: Thanks

On Thu, Aug 11, 2011 at 10:04 PM, amit karmakar
amit.codenam...@gmail.comwrote:

 I tried solving this problem and came to conclusion that none of the
 options can be correct. Indeed for value 5, you can have a solution.
 Then i googled for this question, and found out that, you have an
 option missing. i.e 5 :|

 On Aug 11, 9:01 pm, rajeev bharshetty rajeevr...@gmail.com wrote:
  @all : Could anyone explain it using the tree diagram . @nithin : 4 may
 not
  be th answer i am not able to plot into a tree satisfying those
 constarints
 
  On Thu, Aug 11, 2011 at 9:16 PM, Nitin Nizhawan 
 nitin.nizha...@gmail.comwrote:
 
 
 
 
 
   i guess answer is c. 4
 
   n*i+1
 
   On Thu, Aug 11, 2011 at 8:01 PM, rShetty rajeevr...@gmail.com wrote:
 
A complete n- array tree in which each node has n children or no
   children, let i be the number of internal nodes and L be the number of
   leaves in a complete n- array tree. If L=41 and i=10 what is the value
   of n.
 
   a. 3b. 6   c. 4
 
   How to solve such problems??
 
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  *Winners Don't do Different things , they do things Differently*

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*Winners Don't do Different things , they do things Differently*

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[algogeeks] Re: Trees

2011-08-11 Thread amit karmakar
* correction
(5*5(There are 5*5 nodes in level 2)-4(These became internal nodes..))

On Aug 11, 9:58 pm, amit karmakar amit.codenam...@gmail.com wrote:
 5 is possible.
 Considering root of the tree to be at level 0,
 level 1 and level 2 are completely filled.

 There are 5 internal nodes in level 1, (since all level 2 nodes are
 present)
 Now only (10 - 5(from level 1)+1(the root)) nodes are required.
 So choose 4 nodes from level 2 and make them interior node.
 So you get 4*5(4 nodes have 5 children) + (5*5(There are 5*5 nodes in
 level 2)-4(These became leaves)) leaves.

 Unfortunately 5 is not in the option

 On Aug 11, 7:31 pm, rShetty rajeevr...@gmail.com wrote:



   A complete n- array tree in which each node has n children or no
  children, let i be the number of internal nodes and L be the number of
  leaves in a complete n- array tree. If L=41 and i=10 what is the value
  of n.

  a. 3    b. 6   c. 4

  How to solve such problems??

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Re: [algogeeks] Re: Trees

2011-08-11 Thread paul suganthan
Answer is 5.
the relation is
No of leaf nodes = (n-1)*(no of internal nodes) + 1

Paul

On Thu, Aug 11, 2011 at 10:44 PM, amit karmakar
amit.codenam...@gmail.comwrote:

 * correction
 (5*5(There are 5*5 nodes in level 2)-4(These became internal nodes..))

 On Aug 11, 9:58 pm, amit karmakar amit.codenam...@gmail.com wrote:
  5 is possible.
  Considering root of the tree to be at level 0,
  level 1 and level 2 are completely filled.
 
  There are 5 internal nodes in level 1, (since all level 2 nodes are
  present)
  Now only (10 - 5(from level 1)+1(the root)) nodes are required.
  So choose 4 nodes from level 2 and make them interior node.
  So you get 4*5(4 nodes have 5 children) + (5*5(There are 5*5 nodes in
  level 2)-4(These became leaves)) leaves.
 
  Unfortunately 5 is not in the option
 
  On Aug 11, 7:31 pm, rShetty rajeevr...@gmail.com wrote:
 
 
 
A complete n- array tree in which each node has n children or no
   children, let i be the number of internal nodes and L be the number of
   leaves in a complete n- array tree. If L=41 and i=10 what is the value
   of n.
 
   a. 3b. 6   c. 4
 
   How to solve such problems??

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Re: [algogeeks] Re: Trees

2011-08-11 Thread Raman
How is this formula obtained?

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Re: [algogeeks] Re: Trees

2011-08-11 Thread Nitin Nizhawan
I am also getting , 5 as answer now. here is what I did.

In any n-ary tree we can add one internal node by adding n-children to any
one of its leaf nodes. This operation creates one internal node and at the
cost one leaf node and adds n new leaf nodes.
L(i) be leaf nodes in a tree with i internal nodes, then
L(i+1) = L(i) + n  - 1
L(0) = 1 , since tree with root node has 0 internal nodes and one leave node
L(i) = L(0) + i*(n-1)
or L(i) = i*(n-1) + 1

On Thu, Aug 11, 2011 at 11:34 PM, Raman raman.u...@gmail.com wrote:

 How is this formula obtained?

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