c++ STL istream_iterator<> demo

#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

int main()
{
	istream_iterator<int> is(cin);
	istream_iterator<int> eof;
	vector<int> ivec;
	copy(is, eof, back_inserter(ivec));
	sort(ivec.begin(), ivec.end());

	ostream_iterator<int> os(cout, " ");
	copy(ivec.begin(), ivec.end(), os);

	getchar();
	return 0;
}