#include "stdafx.h"
#include <iostream>
#include <cstdlib>

using namespace std;

int *copy_mas_out(int *in_mas, unsigned int in_length, int min)
{
    int unsigned z = 0;
    int *copy_mas = new int[in_length];

    for (unsigned int i = 0; i < in_length; i++)
    {
        if ((in_mas[i] - min) <= 2)
        {
            copy_mas[z] = in_mas[i];
            z++;
        }
    }
    return copy_mas;
}

int min(int *in_mas, unsigned int in_length)
{
    int min = in_mas[0];
    for (unsigned int i = 1; i < in_length; i++)
    {
        if (min > in_mas[i])
            min = in_mas[i];
    }
    return min;
}

bool test()
{
    int *mas = 0;

    bool a1 = 0;
    bool a2 = 0;
    bool a3 = 0;

    int mas1[] = { 1, 1, 1, 1, 1 }; // 1, 1, 1, 1, 1
    mas = copy_mas_out(mas1, sizeof(mas1) / sizeof(int), min(mas1, sizeof(mas1) / sizeof(int)));
    if ((mas[0] == 1) && (mas[1] == 1) && (mas[2] == 1) && (mas[3] == 1) && (mas[4] == 1))
        a1 = 1;

    int mas2[] = { 20, 19, 18, 31, 28, 20, 19 }; //20 19 20 19
    mas = copy_mas_out(mas2, sizeof(mas2) / sizeof(int), min(mas2, sizeof(mas2) / sizeof(int)));
    if ((mas[0] == 20) && (mas[1] == 19) && (mas[2] == 18) && (mas[3] == 20) && (mas[4] == 19))
        a2 = 1;

    int mas3[] = { 20, -9, 31, 0, 40 }; //-9
    mas = copy_mas_out(mas3, sizeof(mas3) / 4, min(mas3, sizeof(mas3) / sizeof(int)));
    if (mas[0] == -9)
        a3 = 1;

    return (a1 == 1 && a2 == 1 && a3 == 1);
}

int main()
{
    setlocale(0, "");

    if (test())
        cout << "Программа работает..." << endl;
    else
        cout << "Программа не работает :(..." << endl;

    return 0;
}