1.2 - Counting Paths without Blocks
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Practice Questions
Test your understanding with targeted questions
How many total moves do you need to reach (3,4)?
💡 Hint: Add up the right and up moves.
What is the binomial coefficient for (5,3)?
💡 Hint: Count total moves needed.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
How many distinct paths from (0,0) to (5,10)?
💡 Hint: Think about how many total moves you need.
True or False: A blocked intersection increases the number of valid paths.
💡 Hint: Consider how blocked paths affect counts.
1 more question available
Challenge Problems
Push your limits with advanced challenges
How many paths are there from (0,0) to (6,4) with blocked points at (2,2) and (4,3)?
💡 Hint: Break this down into segments, computing each segment's paths separately.
Describe a complex grid scenario involving three blocked points and outline the process to compute valid paths.
💡 Hint: Use clear steps for each block, ensuring you count each way to navigate between them.
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