#include <iostream>
#include <stdio.h>
#include <fstream>
#include <string>
#include <ctime>
#include <vector>
using namespace std;
short const array_lenght = 50;
class BaseClass
{
private:
    short array_num[array_lenght];
    bool array_flag[array_lenght];
public:

void create_array()
{
    srand(unsigned int (time(NULL)));
    for (short i=0; i<array_lenght; ++i) {
        array_num[i] = rand()+rand()- 32768;
    }
}

void create_array(int a, int b)
{
    srand(unsigned int (time(NULL)));
    b++;
    for (short i=0; i<array_lenght; ++i)
    {
        array_num[i]=( a + ((rand()+rand()) % (b - a)));
    }
};

void print_array()
{
    for (short i=0; i<array_lenght; ++i) {
        std::cout << array_num[i] << std::endl;
        for (short j=15; j>-1; --j) {
            std::cout << ( (array_num[i] >> j) & 1);
        }
        std::cout <<"\n" << array_flag[i] << std::endl;
        std::cout << std::endl;
    }
    std::cout << std::endl;
}

void searching()
{
    int count = 0;
    for (short i=0; i<array_lenght; ++i) {
        if ((array_num[i] & 20) == 20) {
            count = count + 1;
            array_flag[i]=true;
        }
        else{
            array_flag[i]=false;
        }
    }
    cout<<"counter = "<<count << std::endl;
}

};

class SubClass:public BaseClass
{
private:
    std::string line;
public:
void read_file()
{

    std::ifstream ist("input.txt");
    std::getline (ist,line);
    std::cout << "line: " << line <<"\n";
}

void remove_vowel()
{
    for (unsigned int i = 0; i < line.length(); i++)
    {
        if ( line[i]=='a' || line[i]=='e' || line[i]=='y' || line[i]=='u' || line[i]=='i' || line[i]=='o')
        {
            for (unsigned int j = (0+i); j < line.length(); j++)
            {
                line[j]=line[j+1];
            }
            line.pop_back();
            i--;
        }
    }
}

void write_file()
{
    std::ofstream ost("output.txt");
    cout<<"line after remove: ";
    for(unsigned int i=0;i<line.length();++i)
    {
        ost<<line[i];
        cout<<line[i];
    }
}

};

int main()
{
    BaseClass x;
    x.create_array();
    x.searching();
    x.print_array();

    SubClass y;
    y.read_file();
    y.remove_vowel();
    y.write_file();

    return 0;
}