If Program from the tutorial section

This is a discussion on If Program from the tutorial section within the C++ Programming forums, part of the General Programming Boards category; I am doing the if program on this website. It wont print out 'you are young", or "you are old". ...

  1. #1
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    Question If Program from the tutorial section

    I am doing the if program on this website. It wont print out 'you are young", or "you are old". What is wrong with the code, or do I have to have an option enabled in my compiler?

    Code:
    //This will give a remark after inputting an age.
    
    #include <iostream.h>
    
    int main()
    
    {
        int age;
        
        cout<<"Please input your age: ";
        
        cin>>age;
        
        if(age<100)
        
        {
        
            cout<<"You are pretty young!";
            
        }
        
        else if(age==100)
        
        {
        
            cout<<"You are old";
            
        }
        
        else 
        
        {
            cout<<"You are really old";
        
        }
        
         return 0;
        
    }

  2. #2
    Senior Member joshdick's Avatar
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    Hmmm, try some endl's at the end of those cout's.
    FAQ

    "The computer programmer is a creator of universes for which he alone is responsible. Universes of virtually unlimited complexity can be created in the form of computer programs." -- Joseph Weizenbaum.

    "If you cannot grok the overall structure of a program while taking a shower, you are not ready to code it." -- Richard Pattis.

  3. #3
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    Can you post an example, I am confused at your response.

  4. #4
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    Code:
      cout << "hello world!" << endl;
    The << endl on the end adds a newline and flushes the buffer.

    If you never flush the output buffer, then the data that you are trying to display may never get written to the screen (as you've noticed in your program).

  5. #5
    Cat without Hat CornedBee's Avatar
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    Use the new header, <iostream>, and
    using namespace std;

    The tutorials need updating!
    All the buzzt!
    CornedBee

    "There is not now, nor has there ever been, nor will there ever be, any programming language in which it is the least bit difficult to write bad code."
    - Flon's Law

  6. #6
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    Could someone e-mail me what the proper code is, or can the site have the code updated? I am a newbie at C++, and I am trying to follow the tutorials. E-mail me through the profile if you can help out.

  7. #7
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    If your console's disappearing, you may need to add this before the return 0;

    cin.ignore();
    cin.get();

  8. #8
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    Thanks swoopy it worked. But how do I use the
    Code:
    endl;
    , like another member sugggested?

  9. #9
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    Just add it to your cout's anytime you need a newline.
    Code:
        if(age<100)
        
        {
        
            cout<<"You are pretty young!" << endl;
            
        }
        
        else if(age==100)
        
        {
        
            cout<<"You are old" << endl;
            
        }
        
        else 
        
        {
            cout<<"You are really old" << endl;
        
        }

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