C# Solution Recursive !


  • 0
    C

    public class Solution {
    public ListNode MergeTwoLists(ListNode l1, ListNode l2) {
    if (l1 == null && l2 == null)
    {
    return null;
    }

        if (l1 == null)
        {
            return l2;
        }
        
        if (l2 == null)
        {
            return l1;
        }
        
        if (l1.val < l2.val)
        {
            l1.next = MergeTwoLists(l1.next, l2);
            return l1;
        }
        else
        {
            l2.next = MergeTwoLists(l1, l2.next);
            return l2;
        }
    }
    

    }


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