How many edges does a leaf cluster contain?

(a) 0

(b) 1

(c) 2

(d) 3

This intriguing question originated from Binary Trees topic in chapter Binary Trees of Data Structures & Algorithms I

I got this question in exam.

How many edges does a leaf cluster contain?

(a) 0

(b) 1

(c) 2

(d) 3

This intriguing question originated from Binary Trees topic in chapter Binary Trees of Data Structures & Algorithms I

I got this question in exam.