207 videos156 docs192 tests

1. What are permutations and combinations? 
2. How do permutations and combinations relate to the shortest paths problem? 
3. What techniques can be used to find the shortest paths using permutations and combinations? 
4. Can permutations and combinations be applied to any graph or network? 
5. Are there any limitations or constraints when using permutations and combinations for the shortest paths problem? 
207 videos156 docs192 tests

00:00  Finding the Shortest Path 
02:29  What is NOT the Shortest Path? 
03:14  Using Combinations Formula to find Shortest Paths (nCr) 
05:06  Using Factorials to find the solution 

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