#include<iostream>
using namespace std;

int gold = 0;
int room1();
int room2();

int main(){
   int room = 1;  // which room is the player in
   cout << "Welcome to the maze\n";
   do{
      cout << "Gold : " << gold << "\n";
      switch(room){
         case 1:
            room = room1();
            break;
         case 2:
            room = room2();
            break;
         case 3:
           // room = room3();
            break;
         default:
            cout << "Error, room " << room << " not found.\n";
      }
   }while(room != -1);
   cout << "You escaped.\n";
}

int room1(){
  int choice;
  cout << "This is a dim room.\n";
  cout << "There's an exit (1) West.\n";
  cout << "(2) Stay here.\n";
  do{
    cin >> choice;
  }while(choice < 1 || choice > 2);
  if(choice == 2)
     return 1;   // stay in room 1
  if(choice == 1)
     return 2;  // go West to room 2
}

int room2(){
  int choice;
  static int g = 5;
  cout << "You found "<<g << " gold.\n";
  gold = gold + g;
  g = 0;
  cout << "It's bright here.\n";
  cout << "(1) Go East.\n";
  cout << "(2) Exit the maze.\n";
  do{
    cin >> choice;
  }while(choice < 1 || choice > 2);
  if(choice == 1)
     return 1;   // go East back to room 1
  if(choice == 2)
     return -1;  // Exit
}