Suggestions on how to compare items WITHIN an array?

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- mutajon
- - Joined 2 Oct, 2020
  - 36 topics • 89 posts
- 1
- 16 Nov, 2020
- Quote
So I have an array of integers, and I want to make sure no two numbers within the array are the same.

If they are the same, change one of them to something else and run the check for duplicates again (until there are no duplicate numbers).

Any ideas on how to implement that?

Thanks a ton! :-)
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- dop2000
- - Joined 26 May, 2016
  - 139 topics • 12,701 posts
- 2
- 16 Nov, 2020
- Quote
This is possible, but not a simple task. Maybe you can use a permutation table instead of the array? This will be much easier.

If you need, for example, 20 non-repeating numbers in the (0-99) range, you can create a permutation table for 100 numbers and then pick the first 20 from it.