int i,j,k;
k=0;
for(i=0;i
for(j=0;j
if(k!=i)L->data[k]=L->data[i];
k++; } }
L->length=k;
}
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void Delete_list(Lnode *head, ElemType x, ElemType y) {Lnode *p, *q;
if(!head) return ERROR;
p=head; q=p; while(!p)
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