What Is Greater Tree?
What Is Greater Sum Tree: Greater Sum Tree Is a Tree in Which Every Node Contains the Sum of All the Nodes Which Are Greater Than the Node. See the Example...
What is greater sum tree: Greater sum tree is a tree in which every node contains the sum of all the nodes which are greater than the node. see the example below. Approach: Naive approach will be for every node, traverse the tree and find out all the nodes which are greater and update the node.
How do you convert BST to greater tree?
- Traverse node by node(Inorder, preorder, etc.)
- For each node find all the nodes greater than that of the current node, sum the values. Store all these sums.
- Replace each node value with their corresponding sum by traversing in the same order as in Step 1.
What is a sum tree?
A SumTree is a Binary Tree where the value of a node is equal to the sum of the nodes present in its left subtree and right subtree. ... A leaf node is also considered as SumTree. Following is an example of SumTree.
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