#include <stdlib.h>
#include <iostream>
#include <windows.h>

#define N 10000
#define ITER 100000

struct foo {
  __int64 start, end, freq; 

  HANDLE hprocess; 
  DWORD oldclass; 

  foo() : hprocess(GetCurrentProcess()),  oldclass(GetPriorityClass(hprocess)) {
    Sleep(10); 
//    SetPriorityClass(hprocess, REALTIME_PRIORITY_CLASS); 
    QueryPerformanceFrequency((LARGE_INTEGER*)&freq); 
    QueryPerformanceCounter((LARGE_INTEGER*)&start); 
  }
  ~foo() {
    QueryPerformanceCounter((LARGE_INTEGER*)&end); 
//    SetPriorityClass(hprocess, oldclass); 
    std::cout << (int)(end - start) << std::endl;
  }
};

template <class T>
void swap1(T& a, T& b)
{
  T tmp(a);
  a = b;
  b = tmp;
}

template <class T>
void swap2(T& a, T& b)
{
  T tmp(std::move(a));
  a = std::move(b);
  b = std::move(tmp);
}

int main()
{
  static std::string a[N];
  
  for (int i = 0; i < N; i++)
    a[i].assign(100000, 'x');

  {
    std::cout << "Copy Constructor = ";
    foo f;
    for (int i = 0; i < ITER; i++) {
      int x = std::rand() % N;
      int y = std::rand() % N;
      if (x != y)
        swap1(a[x], a[y]);
    }
  }

  {
    std::cout << "Move Constructor = ";
    foo f;
    for (int i = 0; i < ITER; i++) {
      int x = std::rand() % N;
      int y = std::rand() % N;
      if (x != y)
        swap2(a[x], a[y]);
    }
  }
}