Java Recursive Solution


  • 0
    A

    public ListNode mergeTwoLists(ListNode l1, ListNode l2) {

        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;    
        }
    }

Log in to reply
 

Looks like your connection to LeetCode Discuss was lost, please wait while we try to reconnect.