#include
#include

int n, fil, col, x,y;
int A[4][4];
int B[4][4];
int C[4][4];
int D[4][4];

main()
{
clrscr();

printf("\nIgresar orden de la matriz (n<=4) : ");
scanf("%d",&n);
if(n>4)
printf("\n\nFuera de rango");
else

{
fil=n;
col=n;

clrscr();
gotoxy(5,3);
printf("Ingresar Matriz A :");

for(x=1;x<=fil;x++)
for(y=1;y<=col;y++)
{
gotoxy(3*y+5,3*x+5);
scanf("%d",&A[x][y]);
}

gotoxy(35,3);
printf("Ingresar Matriz B : ");

for(x=1;x<=fil;x++)
for(y=1;y<=col;y++)
{
gotoxy(3*y+35,3*x+5);
scanf("%d",&B[x][y]);
}

gotoxy(5,22);
printf("SUMA de A + B");

for(x=1;x<=fil;x++)
for(y=1;y<=col;y++)
{
gotoxy(4*y+5,3*x+25);
C[x][y] = A[x][y] + B[x][y] ;
printf("%d", C[x][y]);
}

gotoxy(35,22);
printf("MULTIPLICACION de A * B");

//D[x][y] = A[x][1] * B[1][y] + A[x][2] * B[2][y] + A[x][3] * B[3][y];
//D[x][2] = A[x][1] * B[1][2] + A[x][2] * B[2][2] + A[x][3] * B[3][2];
//D[x][3] = A[x][1] * B[1][3] + A[x][2] * B[2][3] + A[x][3] * B[3][3];

for(x=1;x<=fil;x++)
for(y=1;y<=col;y++)
{
gotoxy(5*y+35,3*x+25);
D[x][y] = A[x][1] * B[1][y] + A[x][2] * B[2][y] + A[x][3] * B[3][y]; ;
printf("%d", D[x][y]);
}

}

getch();
return 0;

}