WE USE IF, ELSE AND NESTED IF,ELSE TO MAKE LOGIN MODULE.

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SEE SCREENSHOT



CODE

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 #include<iostream>

using namespace std;

void main()

{

string email, mail, name, sur, pass, pass1, pass2;

cout << "-----------------CREATE YOUR ACCOUNT ----------------\n";

cout << "Enter first name\n";

cin >> name;

cout << "Enter your sur name\n";

cin >> sur;

cout << "Enter your email\n";

cin >> email;

cout << "Create password\n";

cin >> pass1;

cout << "Confirm password\n";

cin >> pass2;

if (pass1 == pass2)

{

cout << "-------------------------Congratulation---------------------------------\n";

cout << "------------------------------------------------------------------------------\n";

cout << "\n";

cout << "                    NOW LOGIN YOUR ACCOUNT  \n";

cout << "Enter your email\n";

cin >> mail;

if (email == mail)

{

cout << "enter your password\n";

cin >> pass;

if (pass1 == pass)

{

cout << "welcome back  " << name << " " << sur << "   now you login\n";

}

else

{

cout << "!!!!!!!!!!WRONG PASSWORD!!!!!!!!\n";

}


}

else

{

cout << "!!!!!!!!!!!!Email not exist!!!!!!!!!!!!!!!\n";

}

}

else {

cout << "!!!!!!!!!!!!Password not match!!!!!!!!!!!\n";

cout << "----------------try again--------------\n";

}


}

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END.