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How to find the max weight in the binary tree?

+2 votes
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Given a binary tree where each node has some weight. You have to return the max weight in the binary tree.

posted Jul 12, 2016 by anonymous

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1 Answer

+1 vote

declare an integer MAX and assign any negative number to the variable MAX , for example MAX=-1
traverse the given binary tree by using any of the (Preorder,Postorder,Inorder,Level order) available traversing techniques, if weight of any node is greater then MAX , assign weight of that node to MAX. here is the Preorder travesrsal function that returns Max as maximum weight of binary tree

int preorderTraversal(root){
   if(root){
      if(MAX<root->weight)
         MAX=root->weight;
      preorderTraversal(root->left);
      preoderTraversal(root->right);
   }
  return MAX;
}
answer Jul 27, 2016 by Shahsikant Dwivedi
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+2 votes

Say you are given a tree and weight is calculated by sum of values in the nodes in that path.

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