Question | Answer |
Merge Two Sorted Lists | 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; } if(l2.val <= l1.val){ l2.next = mergeTwoLists(l2.next,l1); return l2; } return null; } |
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