#include???
using???namespace???std;
#define?N?10


class???node
{
public:
????????node（int???x）:data（x）next（0）{}
????????int???data;
????????node*???next;
};

node*???ReverseList（node*???head）
{
????????node*???p=0;
????????node*???q=head;
????????while（head->?next!=0）
????????{
????????????????p=head->?next;
????????????????head->?next=p->?next;
????????????????p->?next=q;
????????????????q=p;
????????}
????????return