You do like this:
List<int>[] a = new List<int>[100];
Now you have an array of type List<int> containing 100 null references. You have to create lists and put in the array, for example:
a[0] = new List<int>();
You do like this:
List<int>[] a = new List<int>[100];
Now you have an array of type List<int> containing 100 null references. You have to create lists and put in the array, for example:
a[0] = new List<int>();