这是大数相乘的一般算法，采用链表的方式。实现两个大整数的加、减、乘的运算，其中乘法运算利用分治的方法解决-This is a general algorithm for multiplication of large numbers, using linked list approach. The realization of two big integer add, subtract, multiply computing, in which the use of multiplication

引用分治法实现两个位数相同的大整数的乘法运算-Act reference divided large integer multiplication