Question Type: Medium ๐๏ธ
Complexities: Time: O(n), Space: O(n) ๐ฉ
Code: ๐
class Solution {
public:
ListNode* reverseList(ListNode* head) {
if (!head || !head->next)
return head;
ListNode* newHead = reverseList(head->next);
head->next->next = head;
head->next = nullptr;
return newHead;
}
};
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