#include <vector>

using namespace std;

vector<vector<float>> data;
vector<float> inputdata;

void vectorclear(){

	cout << "data size                         0 : " << data.size() << endl;
	cout << "input data size                   0 : " << inputdata.size() << endl;

	inputdata.push_back(1);
	inputdata.push_back(2);
	inputdata.push_back(3);

	cout << "input data filled                   : " << endl;
	cout << "new input data size               3 : " << inputdata.size() << endl;

	data.push_back(inputdata);

	cout << "data filled                         : " << endl;
	cout << "new data size                     1 : " << data.size() << endl;

	inputdata.clear();

	cout << "input data cleared                  : " << endl;
	cout << "new input data size               0 : " << inputdata.size() << endl;

	data.clear();

	cout << "data cleared                        : " << endl;
	cout << "new data size                     0 : " << inputdata.size() << endl;


	cout << "------------------------------------------" << endl;

	inputdata.push_back(1);
	inputdata.push_back(2);
	inputdata.push_back(3);

	cout << "input data filled                   : " << endl;
	cout << "new input data size               3 : " << inputdata.size() << endl;

	data.push_back(inputdata);

	cout << "data filled                         : " << endl;
	cout << "new data size                     1 : " << data.size() << endl;

	inputdata.erase(inputdata.begin());        

	cout << "input data possition 0 erased       : " << endl;
	cout << "new input data size               2 : " << inputdata.size() << endl;

	data.erase(data.begin());

	cout << "data possition 0 erased             : " << endl;
	cout << "new data size                     0 : " << data.size() << endl;

}