编译原理课程设计，算术表达式的语法和语义分析，采用预测分析法，中间代码四元式

It is defined between two matrices only if the width of the first matrix equals the height of the second matrix. Multiplying an m×n matrix with an n×p matrix results in an m×p matrix. The C program below show the matrix multiplication.

malloclab exercise file from github that changed