#include<stdio.h> 
#include<math.h>

int main()
{

int m,n,p,i,j,a[5][5];

printf("Enter no. of rows & colomns of the matrix\n");
    scanf("%d%d",&m,&n);


if(n==0 || m==0)
{
printf("Matrix multiplication is not possible");
exit(0);
}

printf("Enter elements into matrix\n");

for(i=1; i<=m; i++)
{
for(j=1; j<=n; j++)
{
scanf("%d",&a[i][j]);
}
}


printf("The Matrix is:\n");
for(i=1; i<=m; i++)
{
for(j=1; j<=n; j++)
{
printf("%d\t",a[i][j]);
}
printf("\n");

}
printf("Enter a number to multiply\n");
    scanf("%d",&p);


printf("The Matrix multiplication is:\n");
for(i=1; i<=m; i++)
{
for(j=1; j<=n; j++)
{
printf("%d\t",p*a[i][j]);
}
printf("\n");

}
return 0;
}
     
           
Note: Need to be arranged in compiler after copied
   

 OutPut:

Enter no. of rows & colomns of the matrix 2 2 Enter elements into matrix 1 2 3 4 The Matrix is: 1 2 3 4 Enter a number to multiply 5 The Matrix multiplication is: 5 10 15 20