C++循环单链表删除连续相邻重复值

#include "stdafx.h"
#include <iostream>using namespace std;struct tnode
{
tnode* next;
int value;
};tnode* unique(tnode *head)
{
tnode* p = head;
while (p->next != head)
{
if (p->next->value == p->value)
{
tnode* temp = p->next;
p->next = temp->next;
delete temp;
}
else
{
p = p->next;
}
}
if (p->value == head->value)
{
p->next = head->next;
delete head;
head = p;
}
return head;
};void print(tnode* head)
{
tnode* i = head;
while (i->next != head)
{
cout << i->value << " ";
i = i->next;
}
cout << i->value << endl;
}int _tmain(int argc, _TCHAR* argv[])
{
tnode* node1 = new tnode;
node1->value = ;
tnode* node2 = new tnode;
node2->value = ;
tnode* node3 = new tnode;
node3->value = ;
tnode* node4 = new tnode;
node4->value = ;
tnode* node5 = new tnode;
node5->value = ;
tnode* node6 = new tnode;
node6->value = ;
node1->next = node2;
node2->next = node3;
node3->next = node4;
node4->next = node5;
node5->next = node6;
node6->next = node1;
tnode* head = unique(node1);
print(head);
return ;
}