Addition , Multiplication and transpose of two dimensional matrix without using pointers in C++

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C++ Code for addition ,multiplication and Transpose of 2-D matrices

Linked list implementation using C++ 

#include<iostream>
using namespace std;
int read(int[][5] ,int,int);
int display(int[][5],int ,int);
int mult(int [][5],int[][5],int[][5],int,int,int,int);
int add(int[][5],int[][5] ,int[][5] ,int,int,int,int);
int transpose(int [][5],int [][5],int,int);



int main()
 {
  int mat1[5][5],mat2[5][5],mat3[5][5],r1,c1,r2,c2;
   
  cout<<"Enter size of 1st matrix : ";
  cin>>r1>>c1;
  cout<<"Size of 2nd matrix : ";
  cin>>r2>>c2;
  read(mat1,r1,c1);
  read(mat2,r2,c2);

  cout<<"Displaying 1st matrix :\n";
  display(mat1,r1,c1);
  cout<<"Displaying 2st matrix :\n";
  display(mat2,r2,c2);
  add(mat1,mat2,mat3,r1,c1,r2,c2);
   
  if(r1==r2&&c2==c1)
  {
          cout<<"Displaying addition of matrix :\n";
   display(mat3,r1,c1);
   }

                else

                 {
  cout<<"No Addition Possible !\n";
     }
    
 if(c2==r2)
 {
  cout<<"Displaying Multipplication of matrix :\n";
  mult(mat1,mat2,mat3,r1,c1,r2,c2);
  display(mat3,r1,c2);
 }

 else{
        cout<<"No Multiplication Possible !\n";

  }
    
  cout<<"Displaying Transpose of  matrix :\n";
  transpose(mat1,mat3,r1,c1);
  display(mat3,c1,r1);
  }
   
 int read(int a[][5],int r,int c)
 { 
  cout<<"Enter the elements of matrix :\n";
  for(int i=0;i<r;i++)
  for(int j=0;j<c;j++)
  {
   cin>>a[i][j];
  }
   return 0;
  }
   
  int display(int a[][5],int r,int c)
  {
  for(int i=0;i<r;i++)
   {
   for(int j=0;j<c;j++)
             {
   cout<<a[i][j]<<"\t";    }
   cout<<"\n";
   }
   return 0;
   }
  int add(int a[][5],int b[][5],int c[][5],int r1,int c1,int r2,int c2)
   { 
   for(int i=0;i<r1;i++)
   for(int j=0;j<c1;j++)
   {
    c[i][j] = a[i][j]+b[i][j];
   }
   return 0;
   }
    
   
int mult(int a[][5],int b[][5],int result[][5],int r1,int c1,int r2,int c2)
   { 
   for(int i=0;i<r1;i++)
   for(int j=0;j<c2;j++)
   {
   result[i][j] =0; 
   for(int k=0;k<c1;k++)
   {
   result[i][j] = result[i][j] + a[i][k]*b[k][j];
   }
   
  }
    
   return 0;
    
    
    
  }
 int transpose(int m1[][5],int m2[][5],int r,int c)
 {
 for(int i=0;i<r;i++)
 for(int j=0;j<c;j++)
  {
   m2[j][i] = m1[i][j];
  }
   return 0;
  }
   

Output:

Enter size of 1st matrix : 2 2 Size of 2nd matrix : 2 2 Enter the elements of matrix : 1 2 3 4 Enter the elements of matrix : 4 3 2 1 Displaying 1st matrix : 1 2 3 4 Displaying 2st matrix : 4 3 2 1 Displaying addition of matrix : 5 5 5 5 Displaying Multipplication of matrix : 8 5 20 13 Displaying Transpose of matrix : 1 3 2 4