focks
/ reverse_linked_list.cc
Created
March 27, 2016 14:00
reverse a linked list. ( in place reversing in one pass )
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| /* | |
| * struct ListNode{ | |
| * int val; | |
| * ListNode *next; | |
| * ListNode(int x) : val(x),next(NULL) {} | |
| * }; | |
| */ | |
| ListNode * reverse_list(ListNode *head){ | |
| // only one element or no element |
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