Subject : Structured Programming Approach

Title : Arrays, String, Structures and Union

Marks : 10M

include<stdio.h>

#include<conio.h>
void main()
{
int m,n,p,i,j,a[10][10],b[10][10];
void MatMul (int a[10][10],int b[10][10];
int m, int n, int p);
clrscr();
printf("Enter the number of rows and columns of     matrix 1:");
scanf("%d %d",&m,&n);
printf("Enter the values of matrix 1\n");
for(i=0;i<=m-1;i++)
{
    for(j=0;j<=n-1;j++)
    {
        printf("Enter a value:");
        scanf("%d",&a[i][j]);
    }
}
printf("The number of rows for matrix 2 will be     %d\n",n);
printf("Enter the columns of matrix 2:");
scanf("%d",&p);
printf("Enter the elements of matrix 2:\n");
for(i=0;i<=n-1;i++)
{
    for(j=0;j<=p-1;j++)
    {
        printf("Enter a value:");
        scanf("%d",&b[i][j]);
    }
}
MatMul(a,b,m,n,p);
getch();
 }
void MatMul (int a[10][10], int b[10][10], int m, int n, int p)
{
int i,j,k,c[10][10];
for(i=0;i<=m-1;i++)
{
    for(j=0;j<=p-1;j++)
    {
           c[i][j]=0;
           for(k=0;k<=n-1;k++)
           {
                                c[i][j]=c[i][j]+a[i][k]*b[k][j];
           }
    }
}
printf("The resultant matrix is:\n");
for(i=0;i<=m-1;i++)
{
    for(j=0;j<=p-1;j++)
    {
        printf("%d\t",c[i][j]);
    }
    printf("\n");
}
 }