Practice Depth First Search (dfs) (21.1.1) - Depth First Search (DFS) - Design & Analysis of Algorithms

Practise this section

9 questions

Flashcard drill
3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What does DFS stand for?
Show hintHide hint
Think about how we explore data structures.
Question 2.
What is the primary data structure used in DFS?
Show hintHide hint
Remember the Last In First Out concept.
3Question 3.
What is the time complexity of DFS using an adjacency list?
- O(n^2)
- O(n + m)
- O(n)
Show hintHide hint
Consider both vertices and edges.
4Question 4.
True or False: Depth First Search guarantees the shortest path in a graph.
- True
- False
Show hintHide hint
Review the primary goals of each algorithm.
Question 5.
Implement a DFS algorithm to detect cycles in a directed graph.
Show hintHide hint
Consider how backtracking helps identify cycles.
Question 6.
Given a large graph, analyze how changing from adjacency list to adjacency matrix affects DFS performance.
Show hintHide hint
Reflect on efficiency and data representation.

5 more questions in this section. Enroll free to practise them all.