Managed C++/CLI

#include <iostream>
#include <sstream> // "String streams"
#include <cstring>
using namespace std;
class IntArray 
{
public:
	enum { sz = 5 };
	int i[sz];
	IntArray() { memset(i, 0, sz* sizeof(*i)); }
	int& operator[](int x) 
	{
		return i[x];
	}
	friend ostream&	operator<<(ostream& os, const IntArray& ia);
	friend istream&	operator>>(istream& is, IntArray& ia);
};

ostream& operator<<(ostream& os, const IntArray& ia) 
{
	for(int j = 0; j < ia.sz; j++) 
	{
		os << ia.i[j];
		if(j != ia.sz -1)
		os << ", ";
	}
	os << endl;
	return os;
}

istringstream& operator>>(istringstream& is, IntArray& ia)
{
	for(int j = 0; j < ia.sz; j++)
		is >> ia.i[j];
	return is;
}

int main() 
{
	stringstream input("47 34 56 92 103");
	IntArray I;
	input >> I;
	I[4] = -1; // Use overloaded operator[]
	cout << I;
}