#include<stdio.h>
main()
{
int a, input[1000];
int choice;
int num,max,low;
double total=0,average;
int array[1000];
clrscr();
  start:
  clrscr();
  printf("\n                  ******** MENU **********\n");
  printf(" [1] Input as many numbers as the user like and ends getting of numbers when -1 is inputted.\n");
  printf(" [2] Getting the largest, lowest and average in a list of numbers.\n");
  printf(" Enter choice : ");
  scanf("%d", &choice);
       if(choice==1)
  {
     clrscr();
     for(a=0;a<1000;a++)
        {
        printf("Enter number : ");
        scanf("%d",&input[a]);
       if(input[a]==-1)
         {
         goto start;
         getch();
         }
        }
   }
    if(choice==2)
 {
  clrscr();
   printf("Enter number of list :");
   fflush(stdin);
   scanf("%d",&num);
       for(a=0;a<num;a++)
   {
   printf("Enter number:");
   scanf("%d",&array[a]);
  if (a==0)
  {
  max=array[a];
  low=array[a];
  }
   if(array[a]>max)
     max=array[a];
   if(array[a]<low)
      low=array[a];
   total+=array[a];
  }
      average=total/num;
      fflush(stdout);
      printf("LOWEST  = %d.\n",low);
      printf("LARGEST = %d.\n",max);
      printf("AVERAGE = %lf.\n",average);
     }
getch();
return 0;
}