C语言实现的稀疏矩阵相乘。采用了子函数结构，实现了输入两个稀疏矩阵，用三元表法实现其相乘的子函数计算后打印矩阵。-C Language Implementation of sparse matrix multiplication. Functions using the structure, the two realize the input sparse matrix, using ternary realize its multiplication table of Function Pri