4 11

#include <iostream>
#include <math.h>
#include <iomanip>

using namespace std;

int main()
{
	int n, m, temp;
	cout << "Kolichestvo: " << endl;
	cin >> n;
	int* arr1 = new int[n];

	for (int i = 0; i < n; i++)
	{
		cout << "[" << i << "]=";
		cin >> arr1[i];
	}

	cout << "Kolichestvo: " << endl;
	cin >> m;
	int* arr2 = new int[m];

	for (int j = 0; j < m; j++)
	{
		cout << "[" << j << "]=";
		cin >> arr2[j];
	}
	//------------------------------------------------------------------------------------
	for (int i = 0; i < n; i++)
	{
		for (int j = i + 1; j < n; j++)
		{
			if (arr1[i] > arr1[j])
			{
				temp = arr1[i];
				arr1[i] = arr1[j];
				arr1[j] = temp;
			}
		}
	}
	for (int i = 0; i < n; i++)
	{
		for (int j = i + 1; j < n; j++)
		{
			if (arr2[i] > arr2[j])
			{
				temp = arr2[i];
				arr2[i] = arr2[j];
				arr2[j] = temp;
			}
		}
	}


	for (int i = 0; i < n;)
	{
		for (int j = 0; j < m; j++)
		{
			if (arr1[i] == arr2[j])
			{
				arr1[i] = NULL;
				i++;
				break;
			}
		}
		if (arr1[i] != NULL)
		{
			cout <<endl<<"rez  "<< arr1[i];
			break;
		}

	}

	delete[]arr1;
	return(0);
}