#include <vector>
#include <iostream>

using namespace std;

class countcopy{
public:
	countcopy(int val = 0, int val2 = 0) { v = val; v2 = val2;}
	countcopy(const countcopy &cm) {
		v = cm.v;
		numcopies++;
	}

	countcopy(countcopy &&cm) noexcept {
		v= cm.v;
		nummoves++;
	}

	countcopy &operator=(const countcopy &cm) {
		if (&cm != this) {
			v = cm.v;
			numassigns++;
		}
		return *this;
	}

	countcopy &operator=(countcopy &&cm) noexcept {
		if (&cm != this) { // don't need this check, technically
			v = cm.v;
			nummassigns++;
		}
		return *this;
	}

	int v,v2;
	static int numcopies,numassigns,nummoves,nummassigns;
};

int countcopy::numcopies = 0;
int countcopy::numassigns = 0;
int countcopy::nummoves = 0;
int countcopy::nummassigns = 0;

int main(int argc, char **argv) {
	vector<vector<vector<countcopy> > >v;
	for(int i=0;i<100;i++) {
		v.emplace_back(); // doesn't really save anything
		for(int j=0;j<100;j++) {
			v[i].emplace_back(); // doesn't really save anything
			for(int k=0;k<100;k++)
				v[i][j].emplace_back(i+j+k,i*j*k); // forwards
					// arguments (perfectly -- meaning const/volatile
					//  and references are preserved) to constructor
					//  instead of calling default constructor
		}
	}
	cout << "# copies:       " << countcopy::numcopies << endl;
	cout << "# assigns:      " << countcopy::numassigns<< endl;
	cout << "# moves:        " << countcopy::nummoves << endl;
	cout << "# move-assigns: " << countcopy::nummassigns<< endl;
	return 0;
}