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#include <iostream>#include <utility>#include <string>#include <vector>#include "sample.h"using namespace std;// operator for writing sampleostream& operator<<(ostream &s, sample p) {	s << "<" << p.size() << ":";		for (int i = 0; i <= p.size() - 1; i++)		s << p.at(i) << " ";		s << ">";}// FROM HERE!istream& operator>>(istream &s, sample &p) {	char larrow, colon, rarrow;	int nTotal;		if (s >> larrow >> nTotal) {		if 	}		else s.setstate(ios::badbit); // read failed}istream& parse_inputs(istream &s) {	while (!s.eof())}// TO HERE!int main() {	vector<double> vd(5);	vd[0] = 0;	vd[1] = 1.1;	vd[2] = 2.0;	sample s = vd;	cout << s;}