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phone number as a structure

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phone number as a structure
ser
3 Nov, 2006 - 05:17 AM
Post #1

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A PHONE NUMBER SUCH AS (212)-767-8900 CAN BE THOUGHT OF AS HAVING THREE PARTS THE AREA CODE (212), THE EXCHANGE (767) AND THE NUMBER (8900). WRITE A PROGRAM THAT USES A STRUCTURE TO STORE THREE PARTS OF A NUMBER SEPARATELY. CALL THE PHONE STRUCTURE PHONE. CREATE TWO STRUCTURE VARIABLES OF PHONE TYPE. INITIALIZE ONE AND HAVE THE USER INPUT A NUMBER FOR THE OTHER ONE AND DISPLAY. THIS IS THE CODE THAT I HAVE DONE SO FAR:
CODE

#include<iostream>

struct  phone
{
    int areacode;
    int exchange;
    int number;
};

void main ()
{
    phone1;
    phone1.areacode = 415;
    phone1.exchange = 555;
    phone1.number =1212;

    cout<<"enter your area code (121),exchange(767) and your number(8900)"<<phone1.areacode.exchange.number<<endl;
    cout<<"my number is 212 767 8900"<<endl
        cout<<"your number is:"<<phone1.areacode.exchange.number<<endl;
}

return 0


edit: fixed [code] tags ~ jayman9
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NyeNye
RE: Phone Number As A Structure
3 Nov, 2006 - 05:34 AM
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This your mistake

CODE
void main ()
{
phone1;
phone1.areacode = 415;
phone1.exchange = 555;
phone1.number =1212;


declare your struct on your main...

CODE
void main ()
{
phone phone1;
phone1.areacode = 415;
phone1.exchange = 555;
phone1.number =1212;


is just like a class declaration
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ser
RE: Phone Number As A Structure
3 Nov, 2006 - 05:45 AM
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i ahve done the changes taht you have said but it still does not work as i have some errors but i dont know where
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gregoryH
RE: Phone Number As A Structure
3 Nov, 2006 - 05:50 AM
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QUOTE(ser @ 3 Nov, 2006 - 06:45 AM) *

i ahve done the changes taht you have said but it still does not work as i have some errors but i dont know where

Hi Ser

if you post the compiler error messages, we might be better able to guide you
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Amadeus
RE: Phone Number As A Structure
3 Nov, 2006 - 06:06 AM
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CODE

cout<<"enter your area code (121),exchange(767) and your number(8900)"<<phone1.areacode.exchange.number<<endl;
cout<<"my number is 212 767 8900"<<endl
cout<<"your number is:"<<phone1.areacode.exchange.number<<endl;

You are attempting to access the members of the struct through each other...they are only members of the struct, not of each other. It should look somehing like:
CODE


cout<<"my number is 212 767 8900"<<endl
cout<<"your number is:"<<phone1.areacode<<" "<<phone1.exchange<<" "<<phone1.number<<endl;
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ser
RE: Phone Number As A Structure
3 Nov, 2006 - 07:29 AM
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i have added the changes but i seem to have an error but i'm not sure were .
[code]
#include<iostream>

struct phone
{
int areacode;
int exchange;
int number;
};

void main ();
{
phone phone1;
phone1.areacode = 415;
phone1.exchange = 555;
phone1.number =1212;

cout<<"enter your area code (121),exchange(767) and your number(8900)"<<phone1.areacode.exchange.number<<endl;
cout<<"my number is 212 767 8900"<<endl
cout<<"your number is:"<<phone1.areacode<<" "<<phone1.exchange<<" "<<phone1.number<<endl;
}

return 0
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Amadeus
RE: Phone Number As A Structure
3 Nov, 2006 - 08:23 AM
Post #7

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If you looked at the error message your compiler gives you, it will indicate the line on which you have an error.
This:
CODE

cout<<"enter your area code (121),exchange(767) and your number(8900)"<<phone1.areacode.exchange.number<<endl;

needs to have the same changes made as the other line...it is exactly the same issue. areacode,exchange and number are members of the phone1 structure, not each other.

You also have your return 0; outside of the main function...make it the last line INSIDE the main function.

It may be beneficial in the future to post the error messages you receive.
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ser
RE: Phone Number As A Structure
3 Nov, 2006 - 08:34 AM
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i still have an error message
CODE

#include<iostream>

struct phone
{
int areacode;
int exchange;
int number;
};

void main ();
{
phone phone1;
phone1.areacode;
phone1.exchange;
phone1.number;

cout<<"enter your area code (121),exchange(767) and your number(8900)"<<phone1.areacode<<" "<<phone1.exchange<<" "<<phone1.number<<endl;
cout<<"my number is 212 767 8900"<<endl
cout<<"your number is:"<<phone1.areacode<<" "<<phone1.exchange<<" "<<phone1.number<<endl;


return 0
}


EDIT : Added code Tags - b2c
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Amadeus
RE: Phone Number As A Structure
3 Nov, 2006 - 08:37 AM
Post #9

g++ -o drink whiskey.cpp
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void main ();
The decalaration of the main function does not end with a semi colon. It should be
void main()
or
int main()

You are also not assigning any values to the structure members.

Again, PLEASE post the error message when you are posting about errors.
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ser
RE: Phone Number As A Structure
3 Nov, 2006 - 09:16 AM
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this is the error message that i have

-------------------Configuration: 1 - Win32 Debug--------------------
Compiling...
error C2146: syntax error : missing ';' before identifier 'cout'
warning C4508: 'main' : function should return a value; 'void' return type assumed

and sorry i dont understand what you mean as it is my first time using c++

[code]
#include<iostream>


struct phone
{
int areacode;
int exchange;
int number;
};

int main ()
{
phone phone1;
phone1.areacode;
phone1.exchange;
phone1.number;

cout<<"enter your area code (121),exchange(767) and your number(8900)"<<phone1.areacode<<" "<<phone1.exchange<<" "<<phone1.number<<endl;
cout<<"my number is 212 767 8900"<<endl
cout<<"your number is:"<<phone1.areacode<<" "<<phone1.exchange<<" "<<phone1.number<<endl;


return 0;
}
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Amadeus
RE: Phone Number As A Structure
3 Nov, 2006 - 10:02 AM
Post #11

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cout<<"my number is 212 767 8900"<<endl needs to be terminated with a semi colon.
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ser
RE: Phone Number As A Structure
4 Nov, 2006 - 09:30 AM
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THANKS 4 YOUR HELP THE CODE KNOW WORKS WITH MY SOME OF MY CHANGES THAT I HAVE DONE.
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