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Can I put a prototype and definition in a while loop?

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1.00/5 (3 votes)

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I have to make a list of movies in the command prompt for c++. Then the user needs to type in a group of letters that then the computer finds in the list of movies, and prints out the number of times that group of letters is mentioned.

What I have tried:

this is the code my instructor gave us

C++

cout << "Words beginning with 'ca': " << endl;
    for (int i = 0; i < words.size(); i++)
    {
        if (words[i].substr(0, 2) == "ca")
            /// OR:  words[i].find("ca") == 0
        {
            cout << words[i] << endl;
        }
        total += words[i].length();
    }

Posted 24-Apr-17 13:04pm

Member 13149598

Updated 10-May-17 0:58am

v2

Comments

Dave Kreskowiak 24-Apr-17 19:20pm

And the question would be ..... ?

Member 13149598 24-Apr-17 19:38pm

can i put a prototype and definition in a while loop?

[no name] 24-Apr-17 19:42pm

A prototype and definition of what? Did you ask your teacher? We aren't the ones that know anything about your homework.

Member 13149598 24-Apr-17 19:46pm

My teacher has only taught us(The students) how to make a numbered list using a prototype and definition. He wants us to make a list of movies that are numbered. How would I do that?

[no name] 24-Apr-17 19:53pm

Well I have no idea.
I am not your teacher so I don't what your teacher told you.
I know what a prototype and a definition are but I am not sure that you do and I have no idea what you think a prototype and a definition relates to your question.
What you are saying makes no sense at all.
You didn't answer either one of my questions.

Dave Kreskowiak 24-Apr-17 20:01pm

Without knowing anything about what you're doing and what you've covered in class, the answer is no.

PIEBALDconsult 24-Apr-17 20:34pm

What's a prototype? What's a definition?
If you mean functions, no, you can't. And that would be silly. You can _call_ a function in a loop of course.

KarstenK 25-Apr-17 4:31am

You havent made clear the issue what you working on. I guess that it are some texts which are constants. Good style is to make constant values as globals.

enhzflep 29-Apr-17 8:00am

For what it's worth - each time a match is found, you're adding the length of the string that contains the letters 'ca' to the total - that's just nonsense.
I.e - If you have a single matching string that is 100 characters long, your total will hold 100, rather than 1.... Ooops!

1 solution

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Solution 1

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No you shouldnt. Constant should be global and at the top of a source file and with some commands, upper letters for good coding practice. Write always code in "reuse quality".

C++

// Prefix is recommanded
const char *PREFIX_MOVIE = "ca";

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Posted 10-May-17 0:58am

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