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Sort a linked list in
O
(
n
log
n
) time using constant space complexity.
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C++
Java
/** * Definition for singly-linked list. * struct ListNode { * int val; * ListNode *next; * ListNode(int x) : val(x), next(NULL) {} * }; */ class Solution { public: ListNode *sortList(ListNode *head) { } };
/** * Definition for singly-linked list. * class ListNode { * int val; * ListNode next; * ListNode(int x) { * val = x; * next = null; * } * } */ public class Solution { public ListNode sortList(ListNode head) { } }
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