#include<iostream>

#include<conio.h> // for _getch()

void action1_1_1() { std::cout << "Performing action 1.1.1\n\n"; }

void action1_1_2() { std::cout << "Performing action 1.1.2\n\n"; }

void action1_1_3() { std::cout << "Performing action 1.1.3\n\n"; }

void action1_2_1() { std::cout << "Performing action 1.2.1\n\n"; }

void action1_2_2() { std::cout << "Performing action 1.2.2\n\n"; }

void action1_2_3() { std::cout << "Performing action 1.2.3\n\n"; }

void action1_3_1() { std::cout << "Performing action 1.3.1\n\n"; }

void action1_3_2() { std::cout << "Performing action 1.3.2\n\n"; }

void action1_3_3() { std::cout << "Performing action 1.3.3\n\n"; }

void action2_1_1() { std::cout << "Performing action 2.1.1\n\n"; }

void action2_1_2() { std::cout << "Performing action 2.1.2\n\n"; }

void action2_1_3() { std::cout << "Performing action 2.1.3\n\n"; }

void action2_2_1() { std::cout << "Performing action 2.2.1\n\n"; }

void action2_2_2() { std::cout << "Performing action 2.2.2\n\n"; }

void action2_2_3() { std::cout << "Performing action 2.2.3\n\n"; }

void action2_3_1() { std::cout << "Performing action 2.3.1\n\n"; }

void action2_3_2() { std::cout << "Performing action 2.3.2\n\n"; }

void action2_3_3() { std::cout << "Performing action 2.3.3\n\n"; }

void action3_1_1() { std::cout << "Performing action 3.1.1\n\n"; }

void action3_1_2() { std::cout << "Performing action 3.1.2\n\n"; }

void action3_1_3() { std::cout << "Performing action 3.1.3\n\n"; }

void action3_2_1() { std::cout << "Performing action 3.2.1\n\n"; }

void action3_2_2() { std::cout << "Performing action 3.2.2\n\n"; }

void action3_2_3() { std::cout << "Performing action 3.2.3\n\n"; }

void action3_3_1() { std::cout << "Performing action 3.3.1\n\n"; }

void action3_3_2() { std::cout << "Performing action 3.3.2\n\n"; }

void action3_3_3() { std::cout << "Performing action 3.3.3\n\n"; }

void submenu1_1()

{

while (true)

{

std::cout

<< "SUBMENU 1.1\n===========\n\n"

<< "1 - action 1.1.1\n"

<< "2 - action 1.1.2\n"

<< "3 - action 1.1.3\n"

<< "X - exit to submenu 1\n\n";

int i = _getch();

switch ((char) i)

{

case '1': action1_1_1(); break;

case '2': action1_1_2(); break;

case '3': action1_1_3(); break;

case 'X':

case 'x': return;

}

void submenu1_2()

{

while (true)

{

std::cout

<< "SUBMENU 1.2\n===========\n\n"

<< "1 - action 1.2.1\n"

<< "2 - action 1.2.2\n"

<< "3 - action 1.2.3\n"

<< "X - exit to submenu 1\n\n";

int i = _getch();

switch ((char) i)

{

case '1': action1_2_1(); break;

case '2': action1_2_2(); break;

case '3': action1_2_3(); break;

case 'X':

case 'x': return;

}

void submenu1_3()

{

while (true)

{

std::cout

<< "SUBMENU 1.3\n===========\n\n"

<< "1 - action 1.3.1\n"

<< "2 - action 1.3.2\n"

<< "3 - action 1.3.3\n"

<< "X - exit to submenu 1\n\n";

int i = _getch();

switch ((char) i)

{

case '1': action1_3_1(); break;

case '2': action1_3_2(); break;

case '3': action1_3_3(); break;

case 'X':

case 'x': return;

}

void submenu2_1()

{

while (true)

{

std::cout

<< "SUBMENU 2.1\n===========\n\n"

<< "1 - action 2.1.1\n"

<< "2 - action 2.1.2\n"

<< "3 - action 2.1.3\n"

<< "X - exit to submenu 2\n\n";

int i = _getch();

switch ((char) i)

{

case '1': action2_1_1(); break;

case '2': action2_1_2(); break;

case '3': action2_1_3(); break;

case 'X':

case 'x': return;

}

void submenu2_2()

{

while (true)

{

std::cout

<< "SUBMENU 2.2\n===========\n\n"

<< "1 - action 2.2.1\n"

<< "2 - action 2.2.2\n"

<< "3 - action 2.2.3\n"

<< "X - exit to submenu 2\n\n";

int i = _getch();

switch ((char) i)

{

case '1': action2_2_1(); break;

case '2': action2_2_2(); break;

case '3': action2_2_3(); break;

case 'X':

case 'x': return;

}

void submenu2_3()

{

while (true)

{

std::cout

<< "SUBMENU 2.3\n===========\n\n"

<< "1 - action 2.3.1\n"

<< "2 - action 2.3.2\n"

<< "3 - action 2.3.3\n"

<< "X - exit to submenu 2\n\n";

int i = _getch();

switch ((char) i)

{

case '1': action2_3_1(); break;

case '2': action2_3_2(); break;

case '3': action2_3_3(); break;

case 'X':

case 'x': return;

}

void submenu3_1()

{

while (true)

{

std::cout

<< "SUBMENU 3.1\n===========\n\n"

<< "1 - action 3.1.1\n"

<< "2 - action 3.1.2\n"

<< "3 - action 3.1.3\n"

<< "X - exit to submenu 3\n\n";

int i = _getch();

switch ((char) i)

{

case '1': action3_1_1(); break;

case '2': action3_1_2(); break;

case '3': action3_1_3(); break;

case 'X':

case 'x': return;

}

void submenu3_2()

{

while (true)

{

std::cout

<< "SUBMENU 3.2\n===========\n\n"

<< "1 - action 3.2.1\n"

<< "2 - action 3.2.2\n"

<< "3 - action 3.2.3\n"

<< "X - exit to submenu 3\n\n";

int i = _getch();

switch ((char) i)

{

case '1': action3_2_1(); break;

case '2': action3_2_2(); break;

case '3': action3_2_3(); break;

case 'X':

case 'x': return;

}

void submenu3_3()

{

while (true)

{

std::cout

<< "SUBMENU 3.3\n===========\n\n"

<< "1 - action 3.3.1\n"

<< "2 - action 3.3.2\n"

<< "3 - action 3.3.3\n"

<< "X - exit to submenu 3\n\n";

int i = _getch();

switch ((char) i)

{

case '1': action3_3_1(); break;

case '2': action3_3_2(); break;

case '3': action3_3_3(); break;

case 'X':

case 'x': return;

}

void submenu1()

{

while (true)

{

std::cout

<< "SUBMENU 1\n=========\n\n"

<< "1 - sub-menu 1.1\n"

<< "2 - sub-menu 1.2\n"

<< "3 - sub-menu 1.3\n"

<< "X - exit to main menu\n\n";

int i = _getch();

switch ((char) i)

{

case '1': submenu1_1(); break;

case '2': submenu1_2(); break;

case '3': submenu1_3(); break;

case 'X':

case 'x': return;

}

void submenu2()

{

while (true)

{

std::cout

<< "SUBMENU 2\n=========\n\n"

<< "1 - sub-menu 2.1\n"

<< "2 - sub-menu 2.2\n"

<< "3 - sub-menu 2.3\n"

<< "X - exit to main menu\n\n";

int i = _getch();

switch ((char) i)

{

case '1': submenu2_1(); break;

case '2': submenu2_2(); break;

case '3': submenu2_3(); break;

case 'X':

case 'x': return;

}

void submenu3()

{

while (true)

{

std::cout

<< "SUBMENU 3\n=========\n\n"

<< "1 - sub-menu 3.1\n"

<< "2 - sub-menu 3.2\n"

<< "3 - sub-menu 3.3\n"

<< "X - exit to main menu\n\n";

int i = _getch();

switch ((char) i)

{

case '1': submenu3_1(); break;

case '2': submenu3_2(); break;

case '3': submenu3_3(); break;

case 'X':

case 'x': return;

}

int main()

{

while (true)

{

std::cout

<< "MAIN MENU\n=========\n\n"

<< "1 - sub-menu 1\n"

<< "2 - sub-menu 2\n"

<< "3 - sub-menu 3\n"

<< "X - exit program\n\n";

int i = _getch();

switch ((char) i)

{

case '1': submenu1(); break;

case '2': submenu2(); break;

case '3': submenu3(); break;

case 'X':

case 'x': return 0;

}

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