Algorithms | Graph Traversals | Question 12
Is following statement true/false
If a DFS of a directed graph contains a back edge, any other DFS of the same graph will also contain at least one back edge.
Source: http://courses.csail.mit.edu/6.006/oldquizzes/solutions/q2-s2009-sol.pdf
(A) True
(B) False
Answer: (A)
Explanation: A back edge means a cycle in graph. So if there is a cycle, all DFS traversals would contain at least one back edge.
Quiz of this Question
.png)
