exercise9_34.cpp

#include <iostream>
#include <vector>

using std::vector; using std::cout; using std::endl;

int main()
{
	vector<int> vi{ 1, 2, 3, 4, 5, 6, 7, 8, 9 };
	int i = 0;
	auto iter = vi.begin();
	while (iter != vi.end())
	{
		if (*iter % 2)
			iter = vi.insert(iter, *iter);
		++iter;
		cout << i++ << endl;
	}

	for (auto i : vi)
		cout << i << " ";

	return 0;
}