Swap Nodes [algo] hackerrank solution
In this video I have discussed swap nodes problem from search section from hackerrank interview preparation kit.
There are basic knowledge about trees is required
Links for more learning
https://www.geeksforgeeks.org/differe....
/ how-to-solve-sliding-window-problems
/ introduction-to-binary-trees
0:00 Start
3:17 Explanation
4:13 Pre/In/post order
7:58 creation of tree and BFS
20:31 Swapping of elements
24:45 Inorder trans for BT
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• Hackerrank Interview Preparation Kit