Practice Dealing With Multiple Blocked Intersections (42.1.4) - Grid paths
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Dealing with Multiple Blocked Intersections

Practice - Dealing with Multiple Blocked Intersections

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

How many moves are necessary to go from (0,0) to (5,10)?

💡 Hint: Count the right and up moves.

Question 2 Easy

What change occurs to the path count if an intersection is blocked?

💡 Hint: Think about what happens to paths crossing a blocked point.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

How many unique paths exist from (0,0) to (5,10)?

100
3003
50

💡 Hint: Consider the total moves vs directions.

Question 2

True or False: Blocked intersections can be simply ignored in path counting.

True
False

💡 Hint: Think about the impact of blockages.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

You have a grid from (0, 0) to (5, 10) with blockages at (2, 4) and (4, 4). Calculate the number of unique paths.

💡 Hint: Break down each section of the grid step by step.

Challenge 2 Hard

Create a dynamic programming table to count paths from (0, 0) to (5, 5) with a blocked point at (3, 3).

💡 Hint: Account for dependencies in grid path method and fill iteratively.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.