Create mergeTwoLists.c

mergeTwoLists.c

@@ -0,0 +1,24 @@
+class Solution 
+{
+    public ListNode mergeTwoLists(ListNode l1, ListNode l2) 
+    {
+        if (l1 == null) 
+        {
+            return l2;
+        } 
+        else if (l2 == null)
+        {
+            return l1;
+        } 
+        else if (l1.val < l2.val) 
+        {
+            l1.next = mergeTwoLists(l1.next, l2);
+            return l1;
+        } 
+        else 
+        {
+            l2.next = mergeTwoLists(l1, l2.next);
+            return l2;
+        }
+    }
+}