CodePudding user response:

 
A void MatrixAdd (int * and an int * b, int * r, int len) 
{
for (int i=0; I & lt; Len. + + I) 
{
R=a + b [I] [I] [I]; 
} 
} 

A void MatrixSub (int * and an int * b, int * r, int len) 
{
for (int i=0; I & lt; Len. + + I) 
{
R=[I] a [I] - b [I]; 
} 
} 

Void MatrixDisplay (int * m, int row, int col) 
{
for (int i=0; I & lt; The row. + + I) 
{
For (int j=0; J & lt; Col. + + j) 
{
Printf (" % d \ t ", m + j] [I * col); 
} 

printf("\r\n"); 
} 

printf("\r\n"); 
} 

Void MatrixTest (void) 
{
Srand (GetTickCount ()); 

Int row=0; 
Int col=0; 

Printf (" keyboard input matrix rows, the number of columns (m, n format) : \ r \ n "); 
Scanf_s (" % d % d ", & amp; The row, & amp; Col); 

Int len=row * col; 

Int * a=new int [len]; 
Int * b=new int [len]; 
for (int i=0; I & lt; Len. + + I) 
{
A [I]=rand () % 100; 
B [I]=rand () % 100; 
} 

Printf (" matrix a=\ r \ n "); 
MatrixDisplay (a, the row, col); 

Printf (" matrix b=\ r \ n "); 
MatrixDisplay (b, the row, col); 

Int * r=new int [len]; 

Printf (" matrix a + b=\ r \ n "); 
MatrixAdd (a, b, r, len); 
MatrixDisplay (r, the row, col); 

Printf (" matrix a - b=\ r \ n "); 
MatrixSub (a, b, r, len); 
MatrixDisplay (r, the row, col); 

The delete [] a; 
The delete [] b; 
The delete [] r; 
}