//создать бинарный файл, записать в него 10 целых чисел и найти количество чисел между минимальнывм и максимальным элементом.

#include "pch.h"
#include <iostream>
#include <stdio.h>
#include <conio.h>
#include <stdlib.h>
#include <string>
#include <io.h>
using namespace std;
void creating_file(char[], FILE *);
char* fname(char[]);
void recording_file(char[], int , FILE *);
int result_file(char[], int, FILE*);

int main()
{
	FILE *fl = NULL;
	char name[20];
	int a = 0;
	fname(name);
	creating_file(name, fl);
	recording_file(name, a, fl);
	cout << "amount of elements =  " << result_file(name, a, fl) << endl;
	return 0;
}
char* fname(char name[]) {
	cout << "Enter is file name : ";
	cin >> name;
	return name;
}

void creating_file(char name[], FILE *fl)
{
	fopen_s(&fl, name, "wb");
	if (fl == NULL)
	{
		cout << "Error with file creating!" << endl;	return;
	}
	fclose(fl);
}
void recording_file(char name[], int a, FILE *fl)
{
	fopen_s(&fl, name, "ab");
	if (fl == NULL)
	{
		cout << "Error with file opening!" << endl;	return;
	}
	cout << "Enter items : ";
	for (int i = 0; i < 10; i++) {
		cin >> a;
		fwrite(&a, sizeof(int), 1, fl);
	}
	fclose(fl);
}
int result_file(char name[], int a, FILE *fl) {
	fopen_s(&fl, name, "rb");
	if (fl == NULL) {
		cout << "Error in opening file." << endl;
	}
	fwrite(&a, sizeof(int), 1, fl);
	int min = a, max = a;
	int mini = 0, maxi = 0;
	for (int i = 1; i < 10; i++) {
		fread(&a, sizeof(int), 1, fl);
		if (a<= min) {
			min = a;
			mini = i;
		}
		else
			if (a >= max) {
				max = a;
				maxi = i;
			}
	}
	int y;
	if (maxi > mini + 1) {
		y = (maxi - mini) - 1;
	}
	else if (maxi < mini - 1) {
		y = (mini - maxi) - 1;
	}
	else y = 0;
	return y;
}