#include <stdio.h>
void main()
{
	int ia,ja,rowa,cola,a[' '][' '];
    int ib,jb,rowb,colb,b[' '][' '];
	int ic,jc,rowc,colc,c[' '][' '];
    int t1;
	t1=0;
    clrscr();

/*Scanning values for First matrix*/
    printf("Enter the Row size for Matrix A: ");
    scanf("%d",&rowa);
    printf("Enter the Column Size for Matrix A: ");
    scanf("%d",&cola);
    for(ia=0;ia<rowa;ia++)
    {
	   for (ja=0;ja<cola ;ja++ )
	   {
		  printf("Enter the elment for Row,Column %2d,%2d: ",ia+1,ja+1);
		  scanf("%d",&a[ia][ja]);
	   }//inner for
    }//outer for

/*Scanning values for Second matrix*/
    printf("Enter the Row size for Matrix B: ");
    scanf("%d",&rowb);
    printf("Enter the Column Size for Matrix B: ");
    scanf("%d",&colb);
    
    if(cola==rowb)
        continue;
    else
    {
        printf("To perform Multiplication the matrices should be in the order MxN & NxP");
        getch();
        exit();
    }
    for(ib=0;ib<rowb;ib++)
    {
	   for (jb=0;jb<colb ;jb++ )
	   {
		  printf("Enter the elment for Row,Column %2d,%2d: ",ib+1,jb+1);
		  scanf("%d",&b[ib][jb]);
	   }//inner for
    }//outer for

    /*Displaying First Matrix*/
    printf("The First Matrix is:\n");
    for(ia=0;ia<rowa;ia++)
    {
	   for (ja=0;ja<cola ;ja++ )
	   {
		  printf("%5d",a[ia][ja]);
	    }//inner for
    printf("\n");
    }//outer for

   /*Displaying Second Matrix*/
    printf("The Second Matrix is:\n");
    for(ib=0;ib<rowb;ib++)
    {
	   for (jb=0;jb<colb;jb++ )
	   {
		  printf("%5d",b[ib][jb]);
	    }//inner for
    printf("\n");
    }//outer for

/*if A is a matrix of order 'm x n' & B is a matrix of order 'n x p' 
then the matrix AB is defined as the matrix of order 'm x p' 
such that the elements at the intersection of ith row & jth column 
is obtained by multiplying the elements of  ith row of  A by the 
corresponding elements of jth column of B  and adding the products.*/

 /*Matrix Multiplication Of First & Second Matrices*/
    rowc=rowa;
    colc=colb;

  
 for (ia=0;ia<rowa;ia++ )
  {
        for (jb=0;jb<colb;jb++)
        {
            t2=0;
           for (ja=0;ja<cola;ja++ )
           {
                for (ib=0;ib<rowb;ja++,ib++)
                {
                    t2+=a[ia][ja]*b[ib][jb];
                }
            c[ia][jb]=t2;
           }
        }
  }

	/*Displaying Matrix Multiplication of Matrix A & B*/
    printf("The Matrix Multiplication of Matrix A & B is:\n");
    for(ic=0;ic<rowc;ic++)
    {
	   for (jc=0;jc<colc;jc++ )
	   {
		  printf("%5d",c[ic][jc]);
	    }//inner for
    printf("\n");
    }//outer for
	getch();
}