#include <cstdlib>
#include <ctime>

#include <iostream>
#include <vector>

unsigned int random(const unsigned int mod)
{
	return std::rand() % mod;
}

std::vector<unsigned int> Data;
unsigned int Count;

unsigned int Get()
{
	const unsigned int idx = random(Count);
	const unsigned int value = Data[idx];
	Data[idx] = Data[--Count];
	return value;
}

int main(const int argc, const char* const* const argv)
{
	using namespace std;

	srand((unsigned) time(NULL));

	const static unsigned int Length = 16;
	Data = vector<unsigned int>(Length);
	Count = Length;
	for(unsigned int i=0; i<Length; ++i)
	{
		Data[i] = i;
	}

	for(unsigned int i=0; i<Length; ++i)
	{
		cout << Get() << endl;
	}
	return 0;
}