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60 lines
1.1 KiB
60 lines
1.1 KiB
/**
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* File: list_node.h
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* Created Time: 2023-01-09
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* Author: Reanon (793584285@qq.com)
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*/
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#ifndef LIST_NODE_H
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#define LIST_NODE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* 链表节点结构体 */
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typedef struct ListNode {
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int val; // 节点值
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struct ListNode *next; // 指向下一节点的引用
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} ListNode;
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/* 构造函数，初始化一个新节点 */
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ListNode *newListNode(int val) {
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ListNode *node;
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node = (ListNode *)malloc(sizeof(ListNode));
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node->val = val;
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node->next = NULL;
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return node;
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}
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/* 将数组反序列化为链表 */
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ListNode *arrToLinkedList(const int *arr, size_t size) {
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if (size <= 0) {
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return NULL;
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}
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ListNode *dummy = newListNode(0);
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ListNode *node = dummy;
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for (int i = 0; i < size; i++) {
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node->next = newListNode(arr[i]);
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node = node->next;
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}
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return dummy->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 != NULL) {
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pre = cur;
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cur = cur->next;
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free(pre);
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}
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}
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#ifdef __cplusplus
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}
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#endif
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#endif // LIST_NODE_H
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