How many edges are present in path cluster?

(a) 2

(b) 3

(c) 6

(d) 1

This intriguing question comes from Binary Trees topic in portion Binary Trees of Data Structures & Algorithms I

The question was asked in final exam.

How many edges are present in path cluster?

(a) 2

(b) 3

(c) 6

(d) 1

This intriguing question comes from Binary Trees topic in portion Binary Trees of Data Structures & Algorithms I

The question was asked in final exam.