MULTIPLICATION TABLE in c programming language

void main()

{

int r,i,j,k;

clrscr();

printf("\nEnter the number range:-");

scanf("%d",&r);

for(i=1;i<=r;i++)

{

for(j=1;j<=10;j++)

printf(" %d*%d=%d",i,j,i*j);

printf("\n");

}

getch();

}