说明：  实现稀疏矩阵的加法、减法、乘法、还有转置，以及用两种方法（即三元组顺序表和矩阵形式两种）输入。
(The realization of sparse matrix of the adder, subtraction, multiplication, and transpose, as well as two ways (that is triple the order form and matrix form of the two) input.)