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#include <iostream>#include <cstdlib>#include <fstream>#include <string>using namespace std;struct counter{	float tal1;	float tal2;	float resultat;	string val;};int main(){	while(true){	string line;		ifstream file("texten.txt");	if (file.is_open() )	{	 while (! file.eof() )	{	getline (file, line),	cout << line << endl;}	file.close();}	else cout << "Error, can read file!";counter stat;cin >> stat.val;		system("clear");	if(stat.val == "1")	{		cout << "Ange ett tal: ";		cin >> stat.tal1;		cout << "Ange ännu ett tal: ";		cin >> stat.tal2;			stat.resultat = stat.tal1 - stat.tal2;				cout << "Det blir " << stat.resultat << "\n";	}	else if(stat.val == "2")	{		cout << "Ange ett tal: ";		cin >> stat.tal1;		cout << "Ett till tal: ";		cin >> stat.tal2;		stat.resultat = stat.tal1 + stat.tal2;			cout << "Det blir " << stat.resultat << "\n";	}	else if(stat.val == "3")	{	cout << "Ange ett tal: ";	cin >> stat.tal1;	cout << "Ett till tal: ";	cin >> stat.tal2;		stat.resultat = stat.tal1 * stat.tal2;			cout << "Det blir " << stat.resultat << "\n";	}	else if(stat.val == "4")	{		cout << "Ange ett tal: ";		cin >> stat.tal1;		cout << "Ett till tal: ";		cin >> stat.tal2;			stat.resultat = stat.tal1 / stat.tal2;				cout << "Det blir " << stat.resultat << "\n"; 	}			int temp = 0;cout << "----------------------------------------------\n";cout << "Vad vill du göra nu? (0: Fortsätta, 1: Avsluta)\n";	cout << "----------------------------------------------\n";cin >> temp;system("clear");if (temp!=0)	{		break;	}     }	return 0;}