void SeqListInsert(SL* ps, int pos, SLDataType x)
{
	SeqListCheckCapacity(ps);
	int end = ps->size - 1;
	while (end >= pos - 1)
	{
		ps->a[end + 1] = ps->a[end];
		end--;
	}
	ps->a[pos - 1] = x;
	ps->size++;
}


int SeqListFind(SL* ps, SLDataType x)
{
	assert(ps->size > 0);
	for(int i = 0; i < ps->size; i++)
		{
			if (ps->a[i] == x)
			{
				return i + 1;
			}
	    }
	printf("找不到");
	return 0;

}