xoa trung

#include <iostream>
using namespace std;
void nhapmang(int a[], int m, int b[], int n)
{
	for (int i = 0; i < m; i++)
	{
		cout << "nhap phan tu thu " << i + 1 << ": ";
		cin >> a[i];
	}
	for (int i = 0; i < n; i++)
	{
		cout << "nhap phan tu thu " << i + 1 << ": ";
		cin >> b[i];
	}
}
void xuatmang(int a[], int n)
{
	for (int i = 0; i < n; i++)
	{
		cout << "phan tu thu " << i + 1 << ": " <<  a[i] << endl;
	}
}
void xoa(int a[], int k, int &n)
{
	for (int i = k; i < n - 1; i++)
		a[i] = a[i + 1];
	n--;
}
void xoagiatrik(int a[], int k, int &n)
{
	for (int i = 0; i < n; i++)
	{
		if (a[i] == k) xoa(a, i, n);
	}
}
void xoatrung(int a[], int &n, int b[], int &m)
{
	int i, j, k = 0, m1 = m;
	for (i = 0; i < n; i++)
	{
		k = a[i];
		xoagiatrik(b, k, m);
		if (m1 > m)
		{
			xoagiatrik(a, k, n);
			m1 = m;
			i--;
		}
	}
}
void main()
{
	int a[10], b[15], n = 5, m = 7;
	nhapmang(a, n, b, m);
	xoatrung(a, n, b, m);
	cout << "mang 1\n";
	xuatmang(a, n);
	cout << "mang 2\n";
	xuatmang(b, m);
}