3 массива

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

using namespace std;

int N; //Размерность массивов

void fillX(int * x, int * z, int i)
{
	for (int j = N - 1; j >= 0; j--)
	{
		*(z + (2*N - 2) - (2*i)) = *(x + j); i++;
	}
}

void fillY(int * y, int * z, int i)
{
	for (int j = 0; j < N; j++)
	{
		*(z + 2*i + 1) = *(y + j); i++;
	}
}

int main()
{

	cin >> N;
	int * x = new int[N];
	int * y = new int[N];

	for (int i = 0; i < N; i++)
	{
		*(x + i) = rand() % 10;
		*(y + i) = rand() % 10;
	}

	cout << "First massive: ";
	for (int i = 0; i < N; i++)
		cout << *(x + i) << " ";
	cout << endl;

	cout << "Second: ";
	for (int i = 0; i < N; i++)
		cout << *(y + i) << " ";
	cout << endl;

	int * z = new int[2 * N];
	int i = 0;
	fillX(x, z, i); fillY(y, z, i);

	cout << "massive Z: ";
	for (int i = 0; i < 2*N; i++)
		cout << *(z + i) << " ";
	cout << endl;

}