7 lines 0ms C recursive solution


  • 0
    2
    struct ListNode* reverseList(struct ListNode* head) {
        if (!head) return NULL;
        if (!head->next) return head;
        ListNode *result = reverseList(head->next);
        head->next->next = head;
        head->next = NULL;
        return result;
    }

  • 0
    W

    smart, helpful, thanks


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