public void MergeTwoLists(int[] l1, int[] l2, int[] expected)
{
Assert.Equal(
expected,
new Solution21()
.MergeTwoLists(ListNode.From(l1), ListNode.From(l2))
.ToArray());
}
public void DeleteDuplicates(int[] nums, int[] expected)
{
Assert.Equal(
expected,
new Solution83().DeleteDuplicates(ListNode.From(nums)).ToArray());
}