//
// Created by 罗炳国 on 2023/10/11.
//

#ifndef PFJ_CODE023_REVERSELIST_H
#define PFJ_CODE023_REVERSELIST_H

#include "commonHeader.h"
/**
 * leetcode 206题 反转链表: https://leetcode.cn/problems/reverse-linked-list/
 * */

class code022_reverseList {
public:
    ListNode* reverseList(ListNode* head) {
        ListNode *pre = nullptr, *next = nullptr, *cur = head;
        while (cur != nullptr) {
            next = cur->next;
            cur->next = pre;
            pre = cur;
            cur = next;
        }
        return pre;
    }
};

#endif//PFJ_CODE023_REVERSELIST_H