不好意思，老师，这个是任务十

#include<iostream>
#include<stdlib.h>
using namespace std;

typedef struct LNode {
	int data;
	struct LNode *next;
}LNode,*Linklist;

void Initlist(Linklist *l)
{
	(*l) = (Linklist)malloc(sizeof(LNode));
	(*l)->next = NULL;
}

void createlist(Linklist *l,int n)
{
	int i;
	Linklist s;
	for (i = 0; i < n; i++)
	{
		s = (Linklist)malloc(sizeof(LNode));
			cout << "请输入数据：";
			cin >> s->data;
		s->next = (*l)->next;
		(*l)->next = s;
	}
}

void sum(Linklist l1, Linklist l2, Linklist *l3)
{
	int t=0;
	Linklist p=l1->next, q = l2->next, j=(*l3),m;
	while (p&&q)
	{
		if ((p->data + q->data) >= 10)
		{
			m = (Linklist)malloc(sizeof(LNode));
			m->data = (p->data + q->data) % 10+t;
			m->next =j->next;
			j->next = m;
			j = m;
			t = 1;
		}
		else
		{
			m = (Linklist)malloc(sizeof(LNode));
			m->data = (p->data + q->data) % 10 + t;
			m->next = j->next;
			j->next = m;
			j = m;
			t = 0;
		}
		p = p->next;
		q = q->next;
	}
}

void visit(Linklist l1, Linklist l2, Linklist l3)
{
	Linklist p;
	cout << "输入：";
	for (p = l1->next; p; p = p->next)
	{
		cout << p->data;
		if(p->next!=NULL)
		cout << "->";
	}
	cout << "+";
	for (p = l2->next; p; p = p->next)
	{
		cout << p->data;
		if (p->next != NULL)
			cout << "->";
	}
	cout << endl;
	cout << "输出"<<"=";
	for (p = l3->next; p; p = p->next)
	{
		cout << p->data;
		if (p->next != NULL)
			cout << "->";
	}


}
void reverseprint(Linklist l)
{    if (l->next != NULL)    
     {        reverseprint(l->next);        cout << l->next->data;    }
}


 int main(void)
{
	Linklist l1, l2, l3;
	Initlist(&l1);
	Initlist(&l2);
	Initlist(&l3);  createlist(&l1,3);
	createlist(&l2,3);
	sum(l1, l2, &l3);
	reverseprint(l3);
	system("pause");
	return 0;
}