#include <stdio.h>
#include <stdlib.h>
typedef struct LNode
{
int num;
struct LNode *next;
} LNode;
void insert(int n, LNode *node)
{
//创建新节点
LNode *newNode = (LNode *)malloc(sizeof(LNode));
newNode->num = n;
LNode* next = node->next;
// node ---> newNode ---> next
newNode->next = next;
node->next = newNode;
}
LNode* creat(int n)
{
LNode *head, *p;
head = (LNode *)malloc(sizeof(LNode));
p = head; //头节点为0 加上头节点共11个节点
head->num = 0;
head->next = NULL;
for (int i = 1; i <= n; i++)
{
LNode *newNode = (LNode *)malloc(sizeof(LNode));
newNode->num = i;
newNode->next = NULL;
p->next = newNode;
p = p->next;
}
return head;
}
void printNode(LNode* head)
{
LNode* p = head->next;
while (p != NULL)
{
printf("num -> %d\n", p->num);
p = p->next;
}
}
int main()
{
LNode *head;
int n;
head = creat(10);
printNode(head);
printf("请输入需要插入的节点:\n");
scanf("%d", &n);
insert(n, head);
printf("链表的新内容:\n");
printNode(head);
return 0;
}
运行截图:
原文:https://www.cnblogs.com/vs2019/p/13631275.html