c++动态链表的基础操作

struct node{
	typename data;
	node* next;
};

int* p = new int;
node* p = new node;

delete(p);

#include 
struct node{
	int data;
	node* next;
}
node* create(int array[]){
	node *p, *pre, *head;
	head = new node;
	head.next = NULL;
	pre = head;
	for(int i = 0; i < 5; i++){
		p = new node;
		p->data = array[i];
		p->next = NULL;
		pre->next = p;
		pre = p;
	}
	return head;
}
int main(){
	int array[5] = {5,3,6,1,2};
	node* L = create(array);
	while(L != NULL){
		printf("%d",L->data);
		L = L->next;
	}
	return 0;
}

int search(node* head, int x){
	int count = 0;
	node* p = head->next;
	while(p != NULL){
		if(p->data==x) count++;
		p = p->next;
	}
	return count;
}

void(node* head, int pos, int x){
	node* p = head;
	for(int i = 0; i < pos -1; i++){
		p = p->next;
	}
	node* q = new node;
	q->data = x;
	q->next = p->next;
	p->next = q;
}

void del(node* head, int x){
	node* p = head->next;
	node* pre = head;
	while(p != NULL){
		if(p->data == x){
			pre->next = p->next;
			delete(p);
			p = pre->next;
		}else{
			pre = p;
			p = p->next;
		}
	}
}