C# How to call the inner list constructor inorder to define capacity

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I would like to access the inner list constructor inorder to define capacity, how could i achieve this? This is what i have: this will initialize the outer list to 20 elements.

public List<List<(int x, int y)>> coordinatesForHorizontalShips = new List<List<(int x, int y)>>(20);

From microsoft:

https://docs.microsoft.com/en-us/dotnet/api/system.collections.generic.list-1.-ctor?view=net-6.0 List(Int32) Initializes a new instance of the List class that is empty and has the specified initial capacity.

C#

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public List (int capacity);
Parameters
capacity
Int32
The number of elements that the new list can initially store.
list-initialization nested-lists constructor c#
1 Answers

This is how to initialize 20 outer lists with each having 1_000 capacity:

public List<List<(int x, int y)>> coordinatesForHorizontalShips =
    Enumerable.Range(0, 20).Select(x => new List<(int x, int y)>(1000)).ToList();
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