#include <stdio.h>
#include <stdlib.h>
#include <time.h>

int main()
{
    int size;
    int low;
    int high;
    int flag=0;
    int *p;
    printf("enter size of array:\n");
    scanf("%d",&size);
    if (size<10){

        while (scanf("%d",&size)>=10){

        }
    }

      printf("enter the number low:\n");
      scanf("%d",&low);
      printf("enter the number low:\n");
      scanf("%d",&high);
      while (flag!=0){
        if ((high-low)>=size/2 && (high-low)<size)
        flag=1;
        else
        {
        printf("enter the number low:\n");
        scanf("%d",&low);
        printf("enter the number low:\n");
        scanf("%d",&high);
        }

      }



    return 0;
}