Which of the following solves the given problem below? Problem: Create a program that will ask for the username and password.
Which of the following solves the given problem below? Problem: Create a program that will ask for the username and password.
Note: Correct username and password combination, display “You entered a valid username and password combination” and “Access Granted”. Incorrect username and/or password combination, display “Please check your input”, “Username and/or the password is invalid”, and “Access Denied”.
A.
#include <iostream>
using namespace std;
main(){
string username, password; cout << "USERNAME: ";
getline(cin, username);
cout << "PASSWORD: ";
getline(cin, password);
if (username.compare("ITE001A") == 0 || password.compare("T!p@53") == 0){ cout << "You entered a valid username and password combination" << endl;
cout << "Access Granted...";}
else { cout << "Please check your input" << endl; cout << "Username and/or the password is invalid" << endl;
cout << "Access Denied";} }
B.
#include <iostream>
using namespace std;
main(){
string username, password;
cout << "USERNAME: ";
getline(cin, username);
cout << "PASSWORD: ";
getline(cin, password);
if (username.compare("ITE001A") >= 0 || password.compare("T!p@53") >= 0){ cout << "You entered a valid username and password combination" << endl;
cout << "Access Granted...";}
else { cout << "Please check your input" << endl; cout << "Username and/or the password is invalid" << endl;
cout << "Access Denied";} }
C.
#include <iostream>
using namespace std;
main(){ string username, password;
cout << "USERNAME: ";
getline(cin, username);
cout << "PASSWORD: ";
getline(cin, password);
if (username.compare("ITE001A") != 0 && password.compare("T!p@53") != 0){ cout << "You entered a valid username and password combination" << endl;
cout << "Access Granted...";} else { cout << "Please check your input" << endl; cout << "Username and/or the password is invalid" << endl;
cout << "Access Denied";} }
D.
#include <iostream>
using namespace std;
main(){
string username, password;
cout << "USERNAME: ";
getline(cin, username);
cout << "PASSWORD: ";
getline(cin, password);
if (username.compare("ITE001A") == 0 && password.compare("T!p@53") == 0){ cout << "You entered a valid username and password combination" << endl;
cout << "Access Granted...";}
else { cout << "Please check your input" << endl; cout << "Username and/or the password is invalid" << endl;
cout << "Access Denied";} }
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