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How to add a Y/N to exit code?

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aasddsaadsasdasdasdassads
Expert Cheater

Reputation: 0

Joined: 28 Aug 2008
Posts: 161
Location: Singapore

Posted: Fri Mar 20, 2009 10:33 pm Post subject: How to add a Y/N to exit code?

This is my code:

Code:

#include <cstdlib>
#include <iostream>

using namespace std;

int main()
{
double num;
double num2;
char choice;
for (;;){
do {
cout<<"Welcome to Raphael's Calculator\n";
cout<<"Please choose an option by entering the number, press q to quit\n";
cout<<"1 - Addition\n";
cout<<"2 - Subtraction\n";
cout<<"3 - Division\n";
cout<<"4 - Multiplication\n";
cout<<"5 - Help\n";
cout<<"6 - About This Program\n";
cout<<"7 - Updates to this program\n";
cout<<"8 - Quit the program\n";
case '1':
cout<<"Please enter a number\n";
cin>>num;
cout<<"Another number to be added\n";
cin>>num2;
cout<<num + num2;
cout<<"\n";
break;
case '2':
cout<<"Please enter a number\n";
cin>>num;
cout<<"Another number to be subtracted\n";
cin>>num2;
cout<<num - num2;
cout<<"\n";
break;
case '3':
cout<<"Please enter a number\n";
cin>>num;
cout<<"Another one to be divided\n";
cin>>num2;
cout<<num / num2;
cout<<"\n";
break;
case '4':
cout<<"Please enter a number\n";
cin>>num;
cout<<"Another one to be multiplied\n";
cin>>num2;
cout<<num * num2;
cout<<"\n";
break;
case '5':
cout<<"This is a simple calculator made by me - Raphael.\n";
cout<<"To select an option, type the number next to the option and press enter\n";
cout<<"E.G. for division, you would type 3 and press enter.\n";
cout<<"\n";
break;
case '6':
cout<<"Raphael's Calculator, made by Raphael Ong - Copyright 2009. :)\n";
cout<<"Thanks for using my calculator\n";
cout<<"Bye!!\n";
cout<<"\n";
break;
case '7':
cout<<"No Updates at the moment\n";
cout<<" Sorry!\n";
cout<<"\n";
break;
case '8':
cout<<"Are you sure you want to quit";

break;
default:
cout<<"That is'nt an option!";

}

}
return 0;

}

How do i add a Y/N option to quit at the

Code:

case '8':
cout<<"Are you sure you want to quit";

?
also, can you guys hep me check it for any errors. help would be greatly appreciated. BTW the above code has 10 errors! Can anyone help me to solved these probs. there seems to be a problem with the cases

this is my original code without Y/N but q to quit.

Code:

#include <cstdlib>
#include <iostream>

using namespace std;

int main()
{
double num;
double num2;
char choice;
for (;;){
do {
cout<<"Welcome to Raphael's Calculator\n";
cout<<"Please choose an option by entering the number, press q to quit\n";
cout<<"1 - Addition\n";
cout<<"2 - Subtraction\n";
cout<<"3 - Division\n";
cout<<"4 - Multiplication\n";
cout<<"5 - Help\n";
cout<<"6 - About This Program\n";
cout<<"7 - Updates to this program\n";
cin>>choice;
} while ( choice < '1' || choice > '7' && choice != 'q');
if (choice == 'q') break;
switch (choice) {
case '1':
cout<<"Please enter a number\n";
cin>>num;
cout<<"Another number to be added\n";
cin>>num2;
cout<<num + num2;
cout<<"\n";
break;
case '2':
cout<<"Please enter a number\n";
cin>>num;
cout<<"Another number to be subtracted\n";
cin>>num2;
cout<<num - num2;
cout<<"\n";
break;
case '3':
cout<<"Please enter a number\n";
cin>>num;
cout<<"Another one to be divided\n";
cin>>num2;
cout<<num / num2;
cout<<"\n";
break;
case '4':
cout<<"Please enter a number\n";
cin>>num;
cout<<"Another one to be multiplied\n";
cin>>num2;
cout<<num * num2;
cout<<"\n";
break;
case '5':
cout<<"This is a simple calculator made by me - Raphael.\n";
cout<<"To select an option, type the number next to the option and press enter\n";
cout<<"E.G. for division, you would type 3 and press enter.\n";
cout<<"\n";
break;
case '6':
cout<<"Raphael's Calculator, made by Raphael Ong - Copyright 2009. :)\n";
cout<<"Thanks for using my calculator\n";
cout<<"Bye!!\n";
cout<<"\n";
break;
case '7':
cout<<"No Updates at the moment\n";
cout<<" Sorry!\n";
cout<<"\n";
break;
default:
cout<<"That is not an option";

}

}
return 0;

}

Attached are the two projects rared (broken and original)

The Extension 'rar' was deactivated by an board admin, therefore this Attachment is not displayed.

Last edited by aasddsaadsasdasdasdassads on Fri Mar 20, 2009 11:11 pm; edited 1 time in total

slippppppppp
Grandmaster Cheater

Reputation: 0

Joined: 08 Aug 2006
Posts: 929

Posted: Fri Mar 20, 2009 10:39 pm Post subject:

use std::cin. But use a char parameter instead of an integer, then use strcmp

talkerzero
Grandmaster Cheater

Reputation: 1

Joined: 24 Jul 2008
Posts: 560
Location: California

Posted: Fri Mar 20, 2009 10:52 pm Post subject:

Looking at your code, you haven't even allowed the user the select an option from # 1-8, which you can do with std::cin..

manc
Grandmaster Cheater

Reputation: 1

Joined: 16 Jun 2006
Posts: 551

Posted: Fri Mar 20, 2009 10:57 pm Post subject:

Yeah i was gunna say lol also is that you state cases? i tried to compile that and gave errors (illegal case's) _________________

aasddsaadsasdasdasdassads
Expert Cheater

Reputation: 0

Joined: 28 Aug 2008
Posts: 161
Location: Singapore

Posted: Fri Mar 20, 2009 11:13 pm Post subject: code

std::cin? someone just insert it in my code pls. i am a newb. or at least just tell me where to edit. tks. if you dint know i edited the post. brb. im going to eat my lunch nw.

manc
Grandmaster Cheater

Reputation: 1

Joined: 16 Jun 2006
Posts: 551

Posted: Fri Mar 20, 2009 11:14 pm Post subject:

lol lunch? I just had a snack before bad anyways, im going to post a code here in a sec brb _________________

V.A.C.H.
Newbie cheater

Reputation: 0

Joined: 05 Dec 2008
Posts: 22
Location: Just arrived at mars

Posted: Fri Mar 20, 2009 11:24 pm Post subject:

Switch cases:

Code:

int a;
cout<<"Enter # 1-8" << endl;
cin>>a;
switch(a)
{
case 1:
cout<<"hi";
break;
case 2:
cout<<"bye";
break;
case 3:
cout<<"lets get the partey started";
break;
//so on
}

*wrote this while he edited -.-

to get your y/n
use if statement:

Code:

char answer;
cout<<"y/n?";
cin>>answer;
if (answer = 'y') {
return 0;
}
if (answer = 'n') {
return main();
}

_________________

V. Visual Basic
A. Assembly
C. C++/C
H. Hex

manc
Grandmaster Cheater

Reputation: 1

Joined: 16 Jun 2006
Posts: 551

Posted: Fri Mar 20, 2009 11:40 pm Post subject:

Code:

#include <cstdlib>
#include <iostream>
#include "Windows.h"

using namespace std;

int main()
{
double num;
double num2;
char choice;

// ~~~~~~~~~Extras~~~~~~~~~~~~~~
SetConsoleTitle("Raphael's Calculator"); //makes the window title "Raphael's Calculator"
HANDLE rofl=GetStdHandle(STD_OUTPUT_HANDLE); // makes the text red
SetConsoleTextAttribute(rofl, FOREGROUND_RED); // makes the text red
//~~~~~~~~~Extras~~~~~~~~~~~~

HWND yourhandle = GetConsoleWindow();
cout<<"Welcome to Raphael's Calculator\n";

for(;;Sleep(25))
{
int input; // input is used in the main menu (choosing 1-8)
char lolz; // lolz is used in case 8
cout<<"\n-------------------------------------------\n";
cout<<"Please choose an option by entering the number, press q to quit\n";
cout<<"1 - Addition\n";
cout<<"2 - Subtraction\n";
cout<<"3 - Division\n";
cout<<"4 - Multiplication\n";
cout<<"5 - Help\n";
cout<<"6 - About This Program\n";
cout<<"7 - Updates to this program\n";
cout<<"8 - Quit the program\n";
cin >> choice;

switch (choice)

{
   case (1):
cout<<"Please enter a number\n";
cin>>num;
cout<<"Another number to be added\n";
cin>>num2;
cout<< "The answer is" <<(num + num2);
cout<<"\n";
break;

   case (2):
cout<<"Please enter a number\n";
cin>>num;
cout<<"Another number to be subtracted\n";
cin>>num2;
cout<<"The answer is" << (num - num2);
cout<<"\n";
break;

   case (3):
cout<<"Please enter a number\n";
cin>>num;
cout<<"Another one to be divided\n";
cin>>num2;
cout<<"The answer is" << (num / num2);
cout<<"\n";
            Sleep(1000);
break;

   case (4):
cout<<"Please enter a number\n";
cin>>num;
cout<<"Another one to be multiplied\n";
cin>>num2;
cout<<"The answer is" << (num * num2);
cout<<"\n";
            Sleep(1000);
break;

   case (5):
cout<<"This is a simple calculator made by me - Raphael.\n";
cout<<"To select an option, type the number next to the option and press enter\n";
cout<<"E.G. for division, you would type 3 and press enter.\n";
cout<<"\n";
         Sleep(1000);
break;

   case (6):
cout<<"Raphael's Calculator, made by Raphael Ong - Copyright 2009. :)\n";
cout<<"Thanks for using my calculator\n";
cout<<"\n";
            Sleep(1000);
break;

   case (7):
cout<<"No Updates at the moment\n";
cout<<" Sorry!\n";
cout<<"\n";
            Sleep(1000);
break;

   case (8):
cout<<"Are you sure you want to quit? (Yes=y No=n)";
loop:
         cin >> lolz;

      if(lolz == 'y')
         PostMessage(yourhandle, WM_CLOSE , 0 , 0);
      else if(lolz == 'n')
      break;

      else cout << "Choose y for yes, or n for no" << endl;
      goto loop;

   default:
cout<<"That isn't an option!";

}
}

}

FINAL EDIT::

100% fixed now

Another Edit: I also added a few comments to explain it a little
_________________

Last edited by manc on Sat Mar 21, 2009 12:12 am; edited 2 times in total

aasddsaadsasdasdasdassads
Expert Cheater

Reputation: 0

Joined: 28 Aug 2008
Posts: 161
Location: Singapore

Posted: Fri Mar 20, 2009 11:50 pm Post subject:

manc wrote:

Code:

#include <cstdlib>
#include <iostream>
#include "Windows.h"

using namespace std;

int main()
{
double num;
double num2;
char choice;

// ~~~~~~~~~Extras~~~~~~~~~~~~~~
SetConsoleTitle("Raphael's Calculator");
HANDLE rofl=GetStdHandle(STD_OUTPUT_HANDLE);
SetConsoleTextAttribute(rofl, FOREGROUND_RED);
//~~~~~~~~~Extras~~~~~~~~~~~~

HWND yourhandle = GetConsoleWindow();
cout<<"Welcome to Raphael's Calculator\n";

for(;;Sleep(25))
{
int input;
char lolz;
cout<<"\n-------------------------------------------\n";
cout<<"Please choose an option by entering the number, press q to quit\n";
cout<<"1 - Addition\n";
cout<<"2 - Subtraction\n";
cout<<"3 - Division\n";
cout<<"4 - Multiplication\n";
cout<<"5 - Help\n";
cout<<"6 - About This Program\n";
cout<<"7 - Updates to this program\n";
cout<<"8 - Quit the program\n";
cin >> input;

switch (input)

{
   case (1):
cout<<"Please enter a number\n";
cin>>num;
cout<<"Another number to be added\n";
cin>>num2;
cout<< "The answer is" <<(num + num2);
cout<<"\n";
break;

   case (2):
cout<<"Please enter a number\n";
cin>>num;
cout<<"Another number to be subtracted\n";
cin>>num2;
cout<<"The answer is" << (num - num2);
cout<<"\n";
break;

   case (3):
cout<<"Please enter a number\n";
cin>>num;
cout<<"Another one to be divided\n";
cin>>num2;
cout<<"The answer is" << (num / num2);
cout<<"\n";
            Sleep(1000);
break;

   case (4):
cout<<"Please enter a number\n";
cin>>num;
cout<<"Another one to be multiplied\n";
cin>>num2;
cout<<"The answer is" << (num * num2);
cout<<"\n";
            Sleep(1000);
break;

   case (5):
cout<<"This is a simple calculator made by me - Raphael.\n";
cout<<"To select an option, type the number next to the option and press enter\n";
cout<<"E.G. for division, you would type 3 and press enter.\n";
cout<<"\n";
         Sleep(1000);
break;

   case (6):
cout<<"Raphael's Calculator, made by Raphael Ong - Copyright 2009. :)\n";
cout<<"Thanks for using my calculator\n";
cout<<"\n";
            Sleep(1000);
break;

   case (7):
cout<<"No Updates at the moment\n";
cout<<" Sorry!\n";
cout<<"\n";
            Sleep(1000);
break;

   case (8):
cout<<"Are you sure you want to quit? (Yes=9 No=0)";
loop:
         cin >> lolz;

      if(lolz == 'y')
         PostMessage(yourhandle, WM_CLOSE , 0 , 0);
      else if(lolz == 'n')
      break;

      else cout << "choose y for yes or n for no" << endl;
      goto loop;

   default:
cout<<"That isn't an option!";

}
}

}

whats with the lolz and rofl, does it do any good. wow it works after i deleted the extras part. but how do i make the extras work? and i edited your original code to this

Code:

case (8):
cout<<"Are you sure you want to quit? (Yes=y No=n)";
loop:
cin >> lolz;

if(lolz == 'y')
PostMessage(yourhandle, WM_CLOSE , 0 , 0);
else if(lolz == 'n')
break;

else cout << "choose y for yes or n for no" << endl;
goto loop;

[/code]

manc
Grandmaster Cheater

Reputation: 1

Joined: 16 Jun 2006
Posts: 551

Posted: Sat Mar 21, 2009 12:02 am Post subject:

use the very last one i posted ( i updated it)

then

1] right click your whole project
2] go to properties
3] Configuration Properties-->General
4] Make sure its set to multi-byte
5] hit ok and re-compile

The Extension 'rar' was deactivated by an board admin, therefore this Attachment is not displayed.

_________________

blackmorpheus
Expert Cheater

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Joined: 05 Apr 2008
Posts: 159

Posted: Sat Mar 21, 2009 7:09 am Post subject:

Pro Leet Paint Skills

aasddsaadsasdasdasdassads
Expert Cheater

Reputation: 0

Joined: 28 Aug 2008
Posts: 161
Location: Singapore

Posted: Sat Mar 21, 2009 8:46 am Post subject: now this comes out

now this comes out.

Picture1.png

Description:

Filesize:

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hcavolsdsadgadsg
I'm a spammer

Reputation: 26

Joined: 11 Jun 2007
Posts: 5801

Posted: Sat Mar 21, 2009 11:59 am Post subject:

did you really use a goto? wtf. also SWITCH IN A FOR LOOP... why god. String class would like a word with you... (or strcmp)

manc
Grandmaster Cheater

Reputation: 1

Joined: 16 Jun 2006
Posts: 551

Posted: Sat Mar 21, 2009 12:29 pm Post subject:

slovach wrote:

why god

Inebriated + sucks at programming to begin with
Cool

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