ILMU...

1. #include
   #include
   void smallest(int,int,int);
   void largest(int,int,int);
   int main()
   {
   int a,b,c;
   double sum,average,product;
   printf("enter first number\n");
   scanf("%d",&a);
   printf("enter second number\n");
   scanf("%d",&b);
   printf("enter third number\n");
   scanf("%d",&c);
   smallest(a,b,c);
   largest(a,b,c);
   sum=a+b+c;
   printf("sum=%0.2lf\n",sum);
   product=a*b*c;
   printf("product=%0.2lf\n",product);
   average=(a+b+c)/3;
   printf("average=%0.2lf\n",average);
   system("PAUSE");
   }
   void smallest(int a,int b,int c)
   {
   if (avalue="%d\n\n" value="%d\n\n"
   value="%d\n\n">b&&a>c)
   printf("largest value=%d\n\n",a);
   else if (b>a&&b>c)
   printf("largest value=%d\n\n",b);
   else if (c>b&&c>a)
   printf("largest value=%d\n\n",c);
   }