Please debug

#include

using namespace std;

// function prototypes

void display_Question();

void yes_No(char);

int get_Status(char, char);

// start main function

int main() {

char red_zone, close_contact, fever; // two possible character values only: 'y' -> yes, 'n' -> no

int status; // 0 -> GREEN, 1 -> YELLOW, 2 -> ORANGE, 3 -> RED

for (int i = 1; i < 3; i++) {

display_question(i);

if (i == 1)

yes_No(red_zone); // set red_zone either 'y' or 'n'

else if (i == 2)

yes_No(close_contact); // set close_contact either 'y' or 'n'

else

yes_No(fever); // set fever either 'y' or 'n'

}

// get risk status based on red_zone, close_contact, fever parameters

status = get_Status(red_zone, close_contact, fever);

cout << "Your Covid-19 risk status is ";

switch (status) {

case 0: cout << "GREEN"; break;

case 1: cout << "YELLOW"; break;

case 2: cout << "ORANGE";

case 3: cout << "RED";

}

cout << " ";

return 0;

}

// start new user-defined functions

void display_Question(int q) {

switch (q)

case 1: cout << "Living in red zone? "; break;

case 2: cout << "Have a close contact with Covid-19 patient? "; break;

case 3: cout << "Body temperature >= 38 degrees Celcius? ";

}

}

void yes_No(char ans) {

do {

cout << "Please enter your answer (y / n): ";

cin >> ans;

} while (ans == 'n' && ans == 'y');

cout << ' ';

}

void get_Status(char rz, char cc, char f) {

int s = 0;

if (rz == 'y') s++;

if (cc == 'y') s++;

if (f == 'y') s++;

return s;

}