#pragma once
#include "pch.h"
#include <iostream>

using namespace std;
int sum(int a)
{
	int s = 0;
	while (a)
	{
		s = s + a % 10;
		a = a / 10;
	}
	return s;
}

//Передача указателя
void sum(int a, int *s)
{
	*s = 0;
	while (a)
	{
		*s = *s + a % 10;
		a /= 10;
	}
}

int fdig_ldig(int a)
{
	int b = a % 10;
	while (a > 9)
	{
		a /= 10;
	}
	return (a == b) ? 1 : 0;
}

int count_del(int a)
{
	int k = 2;
	for (int d = 2; d <= a / 2;d++)
	{
		if (a%d == 0) k++;
	}
	return k;
}

int prime(int a)
{
	if (a <= 1) return 0;
	int d = 2;
	while (d*d <= a)
	{
		if (a%d == 0) return 0;
		d++;
	}
	return 1;
}

int progr(int a)
{
	if (a <= 100) return 0;
	int y = a % 10, z = a / 10 % 10;
	a /= 10;
	int d = y - z;
	while (a)
	{
		if (y - z != d) return 0;
		y = z; a /= 10; z = a % 10;
	}
	return 1;
}

double gorner(int n, double x)
{
	double a, s = 0;
	cout << "Введите " << n + 1 << " коэффициентов многочлена: " << endl;
	for (int i = n; i >= 0; i--)
	{
		cin >> a;
		s = s * x + a;
	}
	return s;
}

int palindrom4ik(int a)
{
	int s = 0, copya = a;
	while (a)
	{
		s = s * 10 + a % 10;
		a = a / 10;
	}
	return (s == copya) ? 1 : 0;
}