Answer Posted / sharanya

#include<stdio.h>
#include<conio.h>
#define row 50
#define column 50
void main()
{
int A[row][column],B[row][column],r1,r2,c1,c2,i,j;
void add(int A[row][column],int B[row][column],int c1,int r1);
clrscr();
printf("Enter Row and Column Sizes of A,B : ");
scanf("%d%d%d%d",&r1,&r2,&c1,&c2);
printf("Enter Elements Of A : ");
for(i=0;i<r1;i++)
{
for(j=0;j<c1;j++)
{
scanf("%d",&A[i][j]);
}
}
printf("Enter Elements of B : ");
for(i=0;i<r2;i++)
{
for(j=0;j<c2;j++)
{
scanf("%d",&B[i][j]);
}
}
if(r1==r2 && c1==c2);
else
printf("Addition is Not Possible.");
if(r2==c1)
{
multi(A,B,r1,r2,c2);
}
else
printf("Multiplication is Not Possible.");
}

void add(int A[row][column],int B[row][column],int r1,int c1)
{
int i,j;
printf("Addition Of Two Matrices: \n");
for(i=0;i<r1;i++)
{
for(j=0;j<c1;j++)
{
printf("\t%d",A[i][j]+B[i][j]);
}
print("\n");
}
}

void multi(int A[row][column],int B[row][column],int r1,int r2,int c2)
{
int C[row][column],i,j,k;
printf("Multiplication of Two Matrices : \n");
for(i=0;i<r1;i++)
{
for(j=0;j<c2;j++)
{
C[i][j]=0;
for(k=0;k<r2;k++)
C[i][j]=C[i][j]+A[i][k]*B[k][j];
printf("\t%d",C[i][j]);
}
printf("\n");
}
}

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