要求选用线性表的一种合适的存储结构来表示一个一元多项式，并在此结构上实现一元多项式的加法，减法和乘法操作。

　　1.程序的输入

　　在设计程序的要求输入两个多项式。

　　2.程序的输出

　　输出两个多项式相加，想减，相乘的结果。-Requirements of a linear list chooses appropriate storage structure to say a unary, and on this structure realize a yuan polynomial addition, subtraction and multiplication operation.

1. The input of the program

In the design of the program requires entering two polynomial.

2. The program s output

Output two polynomial addition, want to lose, multiplication results.