#include<stdio.h>
#include<conio.h>
void main()
  {
   int a[10][10],b[10][10],c[10][10],n,m,i,j,ch,p[10][10],k;
   clrscr();
   printf("The rows of matrixs    : ");
   scanf("%d",&n);
   printf("The colomns of matrixs : ");
   scanf("%d",&m);
   printf("The values for a :\n\t\t ");
   for(i=1;i<=n;i++)
   for(j=1;j<=m;j++)
     scanf("%d",&a[i][j]);
   printf("The values for b :\n\t\t ");
   for(i=1;i<=n;i++)
   for(j=1;j<=m;j++)
     scanf("%d",&b[i][j]);

   printf("\n1.addition\n2.subtraction\n3.multiplication\nenter your chioce:\t");
   scanf("%d",&ch);
   switch(ch)
   {
    case 1:
     printf("\nThe addition of a & b is\n\t\t");
     for(i=1;i<=n;i++)
     {
     for(j=1;j<=m;j++)
     {
      c[i][j]=a[i][j]+b[i][j];
      printf(" %d\t ",c[i][j]);
     }
     putchar('\n');
     }
     break;
     getch();
    case 2:
     printf("The subtraction of a & b is\n\t\t");
     for(i=1;i<=n;i++)
     {
     for(j=1;j<=m;j++)
     {
      c[i][j]=a[i][j]-b[i][j];
      printf(" %d \t",c[i][j]);
     }
     putchar('\n');
     }
     break;
      getch();
    case 3:
    printf("The multiplication of a&b is:\n");
     for(i=1;i<=n;i++)
     {
     for(j=1;j<=m;j++)
     {
     p[i][j]=0;
     for(k=1;k<=n;k++)
      {
       p[i][j]=p[i][j]+(a[i][k]*b[k][j]);
      }
      printf(" %d \t",p[i][j]);
     }
     putchar('\n');
    }
    break;
   getch();
}
}