leetcode

Solution to some Leetcode problems written in C++

git clone git://git.dimitrijedobrota.com/leetcode.git

0206.cpp (278B)

1 class Solution { 2 public: 3 ListNode *reverseList(ListNode *head) { 4 ListNode *p, *q, *r; 5 6 p = head, q = nullptr; 7 while (p) { 8 r = q; 9 q = p; 10 p = p->next; 11 q->next = r; 12 } 13 14 return q; 15 } 16 };