Challenge: All Permutations of an Integer List

Let’s generate all permutations of an integer array using recusion.


Given an integer array, generate all permutations of the integer array.


An integer array.


All permutations of the integer array.

Sample input

array = [0,1,2]

Sample output

// All possible permutations

[0 1 2]
[0 2 1]
[1 0 2]
[1 2 0]
[2 1 0]
[2 0 1]

Coding exercise

Try to solve this yourself first. If you get stuck or need help, you can always press the “Show Solution” button to see how your problem can be solved. We’ll look at the solution in the next lesson.

Good luck!

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