In some environments, such as Genetics, it is not uncommon to have binary trees where the edges between nodes have weights or distances. Give Recursive Pseudocode for how one might calculate the two closest Nodes, returning a minimal distance edge. Assume Nodes and Edges defined as given, in C/++ form (though your answer does not have to be):

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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In some environments, such as Genetics, it is not uncommon to have binary trees where the edges
between nodes have weights or distances. Give Recursive Pseudocode for how one might calculate
the two closest Nodes, returning a minimal distance edge. Assume Nodes and Edges defined as
given, in C/++ form (though your answer does not have to be):
Structs
Your answer
/Input: A binary tree pointer (root node)
/Output: Returns an Edge*, Null if there are 1 or 0 nodes.
Edge* closest(Node* node){
struct Node
String value;
Edge* left:
Edge* right:
};
struct Edge
Node* ancestor:
Node* descendant
double distance:
};
Transcribed Image Text:In some environments, such as Genetics, it is not uncommon to have binary trees where the edges between nodes have weights or distances. Give Recursive Pseudocode for how one might calculate the two closest Nodes, returning a minimal distance edge. Assume Nodes and Edges defined as given, in C/++ form (though your answer does not have to be): Structs Your answer /Input: A binary tree pointer (root node) /Output: Returns an Edge*, Null if there are 1 or 0 nodes. Edge* closest(Node* node){ struct Node String value; Edge* left: Edge* right: }; struct Edge Node* ancestor: Node* descendant double distance: };
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