#include <algorithm>
#include <cstdio>
#include <ctime>
#include <iterator>
#include <vector>

int main()
{
	std::vector<unsigned char> x;
	x.resize(1000000);
	clock_t begin = clock();
	long long totalMS = 0;
	for (int i = 0; i < 100; i++)
	{
		std::vector<unsigned char> y; y.reserve(x.size());
		std::copy(x.begin(), x.end(), std::back_inserter(y));
	}
	clock_t end = clock();
	printf("%d\n", (int)((end - begin) * 1000 / CLOCKS_PER_SEC));
}