// ConsoleApplication1.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"

int intersect(int a[], int b[],int z, int x)
{
	int c[20];
	int u = 0;
	printf("Intersection is: ");
	for (int i = 0;i < z;i++)
	{
		for (int j = 0;j < x;j++)
		{
			if (a[i] == b[j])
			{
				c[u] = a[i];
				u++;
			}
		}
	}
	for (int i = 0;i < u;i++)
	{
		printf("     ");
		printf("%d", c[i]);
	}
	return 0;
}
int Union(int a[], int b[], int z, int x)
{
	int c[20];
	int u = z;
	bool skip = false;
	printf("Union is: ");
	for (int i = 0;i < z;i++)
	{
		c[i] = a[i];
	}
	for (int j = 0;j < x;j++)
	{
		skip = false;
		for (int k = 0;k < z;k++)
		{
			if (skip != true)
			{
				if (b[j] == a[k])
				{
					skip = true;
				}
			}
		}
		if (skip != true)
		{
			c[u] = b[j];
			u++;
		}
	}

	for (int i = 0;i < u;i++)
	{
		printf("     ");
		printf("%d", c[i]);
	}
	return 0;
}
int main()
{
	int a[20] ={ 0 };
	int b[20] = { 0 };
	int c[20];
	int z = 0;
	int x = 0;
	int u = 0;
	printf("Array A, how many elements? \n");
	scanf_s("%d", &z);
	for (int i = 0; i < z;i++)
	{
		scanf_s("%d", &a[i]);
	}
	printf("Array B, how many elements? \n");
	scanf_s("%d", &x);
	for (int i = 0; i < x;i++)
	{
		scanf_s("%d", &b[i]);
	}

	printf("Array A Elements are: ");

	for (int i = 0;i < z;i++)
	{
		printf("     ");
		printf("%d", a[i]);

	}
	printf("\n");
	printf("Array B Elements are: ");

	for (int i = 0;i < x;i++)
	{
		printf("     ");
		printf("%d", b[i]);

	}

	printf("\n");
	Union(a, b, x, z);
	scanf_s("%d", &z);
    return 0;
}