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Buying and selling game

Flash41000 (15)
I want to make this game where the player buys and sells things. While playing the player should be able to see what he/she has and how much money they have, how would I do that, plus when ever the game gets past the second question it shuts down... i dont know how to make it continue to the other question and loop back to the beginning again. Help please (using Dev-C++ 4.4.9.2)


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#include <iostream>
#include <stdlib.h>
#include <time.h>

using namespace std;

void Start();
void GetResults();

int  money, ph, pc, pm, px, maxrand;
char d, s, w, f;

void
Start ()
{
      money = 0;
      ph = 0;
      pc = 0;
      pm = 0;
      px = 0;
      maxrand = 6;
      
      cout << "Select where you want to go: \n"; // where to go?
      cout << "1 : London \n";
      cout << "2 : Chicago \n";
      cout << "3 : Hong Kong \n";
      d = 30;
      
      cin >> d; //going to 1-3
      cout << "\n";
      
      switch (d)
      {
             case '1' : maxrand = 40; // prices for everything for now
             break;
             case '2' : maxrand = 30;
             break;
             case '3' : maxrand = 10;
             break;
             default : exit(0);
             break;
      }
      
      money = 10000;
      srand( (unsigned)time(NULL ) );// init rand() func
      f = rand() % maxrand; //qty gets a value between 0 & maxrand
      
      GetResults();
      
      cout << "selct what you want to buy: \n"; // buying what?
      cout << "1 : h \n";
      cout << "2 : c \n";
      cout << "3 : m \n";
      cout << "4 : x \n";
      cout << "5 : nothing \n";
      s = 0;
      
      cin >> s; //user buys something
      cout << "\n";
      
      switch (s)
      {
               case '1' : (money = money - f) & (ph = ph + 1); // subtracts money
               break;
               case '2' : (money = money - f) & (pc = pc + 1);
               break;
               case '3' : (money = money - f) & (pm = pm + 1);
               break;
               case '4' : (money =  money - f) & (px = px + 1);
               break;
               case '5' : (money = money);
               break;
               default : exit(0);
               break;
               
      }
      
      cout << "what would you like to sell? \n"; // selling what?
      cout << "1 : h \n";
      cout << "2 : c \n";
      cout << "3 : m \n";
      cout << "4 : x \n";
      cout << "5 : nothing \n";
      w = 0;
      
      switch (w)
      {
               case '1' : (money = money + f) & (ph = ph - 1); //adds money sub item
               break;
               case '2' : (money = money + f) & (pc = pc - 1);
               break;
               case '3' : (money = money + f) & (pm = pm - 1);
               break;
               case '4' : (money =  money + f) & (px = px - 1);
               break;
               case '5' : (money = money) & (ph = ph) & (pc = pc) & (pm = pm) & (px = px);
               break;
               default : exit(0);
               break;
      }  
      

}

void
GetResults ()
{
           if (money <= 0)// no more money left :P
           {
              cout << "NO MONEY MORON!!!\n\n";
              Start();
           }
           
           else if (money >= 30000)
           {
                cout << "you win!!!! \n";
           }
           
}
      
int

main ()
{
     cout << "buying and selling game \n";
     Start();
     return 0;
}
Zaita (2770)
http://www.cplusplus.com/forum/articles/6046/
This will teach you how to get input from cin and convert it correctly.

But from what I can see, your variable "w" is never assigned a value by the user, yet it's used in a switch() statement.
Flash41000 (15)
Ok I modified it a bit, but Im still a bit lost, I cant get the money or the "items" to keep the value after someone buys or sells them when the program goes back and ask where they would like to go... Please help

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#include <iostream>
#include <stdlib.h>
#include <time.h>

using namespace std;

void Start();
void GetResults();

int  money, ph, pc, pm, px, maxrand;
char d, s, w, f;

void
Start ()
{
      while (money <= 30000)
      {
      money = 0;
      ph = 0;
      pc = 0;
      pm = 0;
      px = 0;
      maxrand = 6;
      
      cout << "Select where you want to go: \n"; // where to go?
      cout << "1 : London \n";
      cout << "2 : Chicago \n";
      cout << "3 : Hong Kong \n";
      d = 30;
      
      cin >> d; //going to 1-3
      cout << "you choose: " <<  d << endl << endl;
      
      switch (d)
      {
             case '1' : maxrand = 40; // prices for everything for now
             break;
             case '2' : maxrand = 30;
             break;
             case '3' : maxrand = 10;
             break;
             default : exit(0);
             break;
      }
      
      money = 10000;
      srand( (unsigned)time(NULL ) );// init rand() func
      f = rand() % maxrand; //qty gets a value between 0 & maxrand

      
      cout << "selct what you want to buy: \n"; // buying what?
      cout << "1 : h \n";
      cout << "2 : c \n";
      cout << "3 : m \n";
      cout << "4 : x \n";
      cout << "5 : nothing \n";
      s = 0;
      
      cin >> s; //user buys something
      cout << "You chose: " << s << endl << endl;
      
      
      switch (s)
      {
               case '1' : (money = money - (300+f)) & (ph = ph + 1); // subtracts money
               break;
               case '2' : (money = money - (200+f)) & (pc = pc + 1);
               break;
               case '3' : (money = money - (300+f)) & (pm = pm + 1);
               break;
               case '4' : (money =  money - (500+f)) & (px = px + 1);
               break;
               case '5' : (money = money) & (px = px) & (pm = pm) & (pc = pc) & (ph = ph);
               break;
               default : exit(0);
               break;
               
      }
      
      cout << "You money now is at:" << money << endl << endl;
      cout << "You have this much h: " << ph << endl << endl;
      cout << "You have this much c: " << pc << endl << endl;
      cout << "You have this much m: " << pm << endl << endl;
      cout << "You have this much x: " << px << endl << endl;
      
      cout << "what would you like to sell? \n"; // selling what?
      cout << "1 : h \n";
      cout << "2 : c \n";
      cout << "3 : m \n";
      cout << "4 : x \n";
      cout << "5 : nothing \n";
      w = 0;
      
      cin >> w;
      cout << "\n";
      
      
      
      switch (w)
      {
               case '1' : (money = money + (50+f)) & (ph = ph - 1); //adds money sub item
               break;
               case '2' : (money = money + (30+f)) & (pc = pc - 1);
               break;
               case '3' : (money = money + (10+f)) & (pm = pm - 1);
               break;
               case '4' : (money =  money + (30+f)) & (px = px - 1);
               break;
               case '5' : (money = money) & (ph = ph) & (pc = pc) & (pm = pm) & (px = px);
               break;
               default : exit(0);
               break;
      }
      cout << "You money now is at:" << money << endl << endl;
      cout << "You have this much h: " << ph << endl << endl;
      cout << "You have this much c: " << pc << endl << endl;
      cout << "You have this much m: " << pm << endl << endl;
      cout << "You have this much x: " << px << endl << endl;
      }
      
        
      GetResults();

}

void
GetResults ()
{
           if (money <= 0)// no more money left :P
           {
              cout << "NO MONEY MORON!!! \n";
              Start();
           }
        
           
           else if (money >= 30000)
           {
                cout << "you win!!!! \n";
           }
           
}
      
int

main ()
{
     cout << "buying and selling game \n";
     Start();
     return 0;
}
firedraco (6243)
Well, it looks ok...although you have some major errors in your case statements.

This:
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case '1' : (money = money - (300+f)) & (ph = ph + 1); // subtracts money
break;


Although it might actually end up working, probably isn't doing exactly what you want it to do. You want to do something like:

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case '1' : 
(money = money - (300+f));
(ph = ph + 1); // subtracts money
break;


Also, you can get to negative money, since your get results loop is only called after you get to 30k money or higher. Also, if you do manage to run it a bunch, then you might cause some nesting problems, i.e.:

main()->start()->results()[they lost]->start()-> (repeat ad infinitum, causing stack overlow or otherproblems)
Flash41000 (15)
Cool thanks, thats what I was looking for. Some one to actually tell me what I had done wrong
Flash41000 (15)
ok ok ok now my question is, the money resets after the second time through, i was wondering how do I make it stop reseting, and keep the value till either you win or loose the game...
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