C# Check for missing number in sequence
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        Published on 2010-03-19T08:11:12Z
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I have an List<int> which contains 1,2,4,7,9 for example.
I have a range from 0 to 10.
Is there a way to determine what numbers are missing in that sequence?
I thought LINQ might provide an option but I can't see one
In the real world my List could contain 100,000 items so performance is key
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