一元稀疏矩阵的简单计算，设计该程序的目的是掌握链表的使用（重点掌握指针的使用）。这个程序可以用来计算多项式的和与差，充当一个多项式计算器。-one yuan sparse matrix of simple calculation, The design procedure is designed to develop the use of the linked list (master key indicators). This procedure can be used to calculate the polynomial and poor, as a polynomial calculators.