Added YouTube link (#31497)
Added a demonstration of backtracking via YouTube.
This commit is contained in:
		| @@ -54,3 +54,5 @@ Else | ||||
| [Geeks 4 Geeks](http://www.geeksforgeeks.org/backtracking-set-1-the-knights-tour-problem/) | ||||
|  | ||||
| [A very interesting introduction to backtracking](https://www.hackerearth.com/practice/basic-programming/recursion/recursion-and-backtracking/tutorial/) | ||||
|  | ||||
| [A YouTube demonstration](https://www.youtube.com/watch?v=gBC_Fd8EE8A) | ||||
|   | ||||
		Reference in New Issue
	
	Block a user