Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the number of paths to point (1,0) from (0,0)?
💡 Hint: Think of how you can only move from (0,0) to (1,0) directly.
Question 2
Easy
If a hole is placed at point (2,2), how many paths can go through it?
💡 Hint: Consider what happens when a point is obstructed.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the base case for paths(0,0)?
- 0
- 1
- 2
💡 Hint: Consider what it means to be at the origin without moving.
Question 2
Can paths go through holes?
- True
- False
💡 Hint: Think about what a hole represents in terms of pathfinding.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a 5x5 grid with two holes and calculate the number of unique paths from (0,0) to (4,4). Provide a step-by-step explanation.
💡 Hint: Map out the valid paths while taking into consideration each hole's impact.
Question 2
Explain how the choice between using memoization versus dynamic programming can affect the performance of computing paths on a grid with multiple obstacles.
💡 Hint: Reflect on memory usage versus time efficiency.
Challenge and get performance evaluation