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ÓÃHashtable¸¨Öú£¬±éÀúÒ»±éµ¥Á´±í¾ÍÄܸ㶨¡£
ʵ¼ùÖз¢ÏÖ£¬curr´Ó±íÍ·¿ªÊ¼£¬Ã¿´ÎÅжÏÏÂÒ»¸öÔªËØcurr.NetxÊÇ·ñÖظ´£¬Èç¹ûÖظ´Ö±½ÓʹÓÃcurr.Next = curr.Next.Next; ¾Í¿ÉÒÔɾ³ýÖظ´ÔªËØ¡ª¡ªÕâÊÇ×îºÃµÄËã·¨¡£Î¨Ò»µÄÀýÍâ¾ÍÊDZí⣬ËùÒÔµ½´ï±í⣬¾ÍbreakÌø³öwhileÑ­»·¡£
public static Link DeleteDuplexElements(Link head)
{
Hashtable ht = new Hashtable();
Link curr = head;
while (curr != null)
{
if (curr.Next == null)
{
break;
}
if (ht[curr.Next.Data] != null)
{
curr.Next = curr.Next.Next;
}
else
{
ht[curr.Next.Data] = ¡°¡±;
}
curr = curr.Next;
}
return head;
}


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