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//¼ÙÉèÏßÐÔ±íµÄË«ÏòÁ´±í´æ´¢½á¹¹ typedef struct DulNode{ struct DulNode *prior; //Ç°ÇýÖ¸Õë ElemType data; //Êý¾Ý struct DulNode *next; //ºó¼ÌÖ¸Õë }DulNode,*DuLinkList; //ɾ³ý²Ù×÷ Status ListDelete_DuL(DuLinkList &L,int i,ElemType &e) { if(!(p=GetElemP_DuL(L,i))) //´Ë´¦µÃµ½iλÖõĽڵãÖ¸Õ룬Èç¹ûÓÐÐèÒªÒ²µÃд³ö¾ßÌ庯ÊýʵÏÖ return ERROR; e=p->data; p->prior->next=p->next; p->next->prior=p->pror; free(p); return OK; } //²åÈë²Ù×÷ Status ListInsert_DuL(DuLinkList &L,int i,ElemType &e) { if(!(p=GetElemP_DuL(L,i))) return ERROR; if(!(s=(DuLinkList)malloc(sizeof(DuLNode)))) return ERROR;
s->data=e; s->prior=p->prior; p->prior->next=s; s->next=p; p->prior=s; return OK; }
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