#include <iostream>
#include <cstdlib>

using namespace std;

void menu (){
    int x, choice;
    char key;
    string un[10];
    string pw[10];

do
{
	cout<<"MENU"<<endl;
	cout<<"\n1. SIGN UP";
	cout<<"\n2. OUTPUT";
	cout<<"\n3. Exit";

	cout<<"\n\nChoose one: "<<endl;
	cin>>choice;

	switch(choice)
	{
		case 1:
			system("CLS");
			for(x=0; x<10; x++)
			{
				cout<<"Enter username: ";
				cin>>un[x];
				cout<<"Enter password: ";
				cin>>pw[x];
				cout<<endl;
			}
			break;

		case 2:
			system("CLS");
			for(x=0; x<10; x++)
			{
				cout<<"Username: "<<un[x];
				cout<<"\nPassword: "<<pw[x]<<endl;
				cout<<endl;
			}
			break;

		case 3:
			exit(0);
			break;

		default:
			cout<<"Invalid choice. Try again.";
	}
	cout<<"\nPress B to go back to Menu. ";
	cin>>key;
	system("CLS");

}while(key=='b' || key=='B');
}


int main(int argc, char *argv[]) {

menu ();

    return 0;


}