#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>

using namespace std;
FILE *fl;

int main()
{
    if ( (fl = fopen("test.dat", "wb")) == NULL)   // creating
       {
           cout << "file is NOT created";
       }
       else
       {
           cout << " file is created";
       }
       cout << endl;
    if ((fl = fopen("test.dat", "ab")) == NULL)  // writing
      {
          cout << "file NOT writed";
      }
      else
      {
          cout << "file writed";
      }
      cout << endl;
    int k;
        char ch[10]="yes" ;

            while (strcmp(ch,"yes")==0)
            {
                cout << "which number u wanna to write in file: ";
                cin >> k;

                if (fwrite(&k, sizeof(int), 1, fl) == 1)
                {
                    cout << "1 element writed" << endl<<endl;
                }

                cout << "Do u want continue to write?\n yes / no"<<endl;
                cin >> ch;
            }
            cout << endl;
            fclose(fl);

            if ((fl = fopen("test.dat", "rb")) == NULL)  // reading fl
            {
                cout << "file NOT readed";
            }
            else
            {
                cout << "file readed";
            }

            int max = 0;
            int min = 0;

            fread(&max, sizeof(int), 1, fl);  //max
            rewind(fl);

            fread(&min, sizeof(int), 1, fl);  //min
            rewind(fl);

            int pos = 0;
            int max_pos = 0;
            int min_pos = 0;
            while (fread(&k, sizeof(int), 1, fl) == 1)
            {

                if (k > max)
                {
                    max = k;
                    max_pos = pos;
                }
                else
                {
                    min = k;
                    min_pos = pos;
                }
                pos++;

            }
            fclose(fl);
            int kolvo;
            cout << endl;
            kolvo = fabs(max_pos - min_pos)-1;
            cout << "element between max and min: "<< kolvo;
}