In a Binary Expression Tree, what type of nodes are the leaf nodes typically?a)Rootsb)Operandsc)Parenthesesd)Operators
Question
In a Binary Expression Tree, what type of nodes are the leaf nodes typically?
a) Roots
b) Operands
c) Parentheses
d) Operators
Solution
Answer
In a Binary Expression Tree, the type of nodes that are typically considered leaf nodes are b) Operands.
Leaf nodes in a binary expression tree represent the values or constants on which operations are performed (such as numbers in expressions). These nodes do not have any children, unlike operator nodes (which are usually non-leaf nodes) that combine these operands to form expressions. The root of the tree usually represents the main operation, while the parentheses are not stored as nodes in the tree structure. Therefore, operands are the correct choice as they represent the actual data or values in an expression.
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