#include <iostream>
 
int main()
{
    const unsigned int ARR_SIZE = 5;
    int arr[ARR_SIZE] = { 1, 4, 8, 8, 2 };
    for ( unsigned int i = 0; i < ARR_SIZE; ++i )
        std::cout << arr[i] << " ";
}

#include <iostream>
 
int main()
{
    int arr[] { 1, 4, 8, 8, 2 };
    for ( const auto elem : arr )

#include "arrays_functions.h"
#include <iostream>
#include <cstdlib>
 
 
int main()
{
    size_t row_size;
    size_t col_size;
 
    get_number_from_user( "Enter number of rows: ", row_size );
    get_number_from_user( "Enter number of columns: ", col_size );

// requirements: compiler that supports C++11
 
#ifndef MATRIX_H
#define MATRIX_H
 
#include <iostream>
 
typedef double Item;
 
class Matrix
{
private:
    int