How to check if an array exists in List of arrays

Question

I have a List of Arrays ... And I want to check if an exact array is in List or not

  List<int[]> Output = new List<int[]>();

I have an Array

int[] coordinates 

I want to check if coordinates array is exactly in List or Not?

Answer 1

Use SequenceEqual:

bool result = Output.Any(a => a.SequenceEqual(coordinates));