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43 lines
795 B
43 lines
795 B
/**
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* File: list_node.hpp
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* Created Time: 2021-12-19
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* Author: krahets (krahets@163.com)
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*/
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#pragma once
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#include <iostream>
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#include <vector>
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using namespace std;
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/* 链表节点 */
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struct ListNode {
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int val;
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ListNode *next;
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ListNode(int x) : val(x), next(nullptr) {
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}
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};
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/* 将列表反序列化为链表 */
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ListNode *vecToLinkedList(vector<int> list) {
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ListNode *dum = new ListNode(0);
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ListNode *head = dum;
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for (int val : list) {
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head->next = new ListNode(val);
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head = head->next;
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}
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return dum->next;
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}
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/* 释放分配给链表的内存空间 */
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void freeMemoryLinkedList(ListNode *cur) {
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// 释放内存
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ListNode *pre;
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while (cur != nullptr) {
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pre = cur;
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cur = cur->next;
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delete pre;
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}
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}
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