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hekp with programming

This is a discussion on hekp with programming within the C++ Programming forums, part of the General Programming Boards category; hy guys could you help me with an assignement in c++: Write a program that receives the input of letters ...

  1. #1
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    hekp with programming

    hy guys could you help me with an assignement in c++:

    Write a program that receives the input of letters (uppercase and lowercase) until it enters the small letter 'a'. Count how many consonants are in the input.

  2. #2
    and the hat of wrongness Salem's Avatar
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    Announcements - General Programming Boards
    Make an effort, then we help.

    Don't just dump your assignment, this isn't a code on demand service.
    SqueakyPebble likes this.
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
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    Code:
    #include <stdio.h>
    #include <conio.h>
    #include <ctype.h>
    void main()
    {
        int count=0;
        char c;
        printf("Enter a charracter:");
        do
        {
            c=getchar();
            fflush(stdin);//If you type two characters at a time only recieve the first charracter.
            char t=toupper(c);
            if (t!='A'&&t!='U'&&t!='I'&&t!='O'&&t!='E')
                count++;
        }while (c!='a');
        printf("\nNumber of consonants:%d",count);
        getch();
    }
    Do I understand correctly your question?
    Sorry my english is very bad!.
    Last edited by cauberong09; 01-04-2012 at 07:59 PM.

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    Algorithm Dissector iMalc's Avatar
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    You are not supposed to be posting full solutions for people!
    If you do not understand the homework policy that you are supposed to have read when you signed up here, then you should not be using this forum.
    I recommend you find a forum in your native language for now, and keep to that.
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    Quote Originally Posted by iMalc View Post
    You are not supposed to be posting full solutions for people!
    If you do not understand the homework policy that you are supposed to have read when you signed up here, then you should not be using this forum.
    I recommend you find a forum in your native language for now, and keep to that.
    I'm sorry,but I want to study here!.Of course,I has learning in the forum of my native language.

  6. #6
    Registered User manasij7479's Avatar
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    Quote Originally Posted by cauberong09 View Post
    I'm sorry,but I want to study here!.Of course,I has learning in the forum of my native language.
    Btw.. in your post... you've used fflush(stdin) ...It is undefined behavior.
    (Explained in an analogy (by Adak ?) that it would be foolish to try flushing a faucet )
    Manasij Mukherjee | gcc-4.8.2 @Arch Linux
    Slow and Steady wins the race... if and only if :
    1.None of the other participants are fast and steady.
    2.The fast and unsteady suddenly falls asleep while running !



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    Quote Originally Posted by manasij7479 View Post
    Btw.. in your post... you've used fflush(stdin) ...It is undefined behavior.
    (Explained in an analogy (by Adak ?) that it would be foolish to try flushing a faucet )
    Explain to me why it is undefined behavior?.
    fflush - C++ Reference

  8. #8
    Registered User manasij7479's Avatar
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    Quote Originally Posted by cauberong09 View Post
    Explain to me why it is undefined behavior?.
    fflush - C++ Reference
    Did you bother to read that page at all?
    It explains that fflush on input streams are not well defined... in the 2nd sentence.

    Also..read this : http://faq.cprogramming.com/cgi-bin/...&id=1043284351
    Last edited by manasij7479; 01-05-2012 at 02:39 AM.
    Manasij Mukherjee | gcc-4.8.2 @Arch Linux
    Slow and Steady wins the race... if and only if :
    1.None of the other participants are fast and steady.
    2.The fast and unsteady suddenly falls asleep while running !



  9. #9
    Algorithm Dissector iMalc's Avatar
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    Quote Originally Posted by cauberong09 View Post
    I'm sorry,but I want to study here!.Of course,I has learning in the forum of my native language.
    There's a difference between studying things here and providing others with complete homework answers.
    If you want to learn things here then start by reading the FAQs, especially the ones about void main and fflush(stdin)!
    My homepage
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    Linus Torvalds: "But it clearly is the only right way. The fact that everybody else does it some other way only means that they are wrong"

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    okay here i am sory for not answering so long.. first i want to say that when i came here i didnt really expect whole source code written like i m to lazy to do anything by myself.. i idint even have an idea how to start so i was hoping of something to help me begin.. but thanks to cauberong09 for posting code.. it does not do quite what i need. i need it to read characters from single line without hitting "enter", like tyiping text and to stop a loop when "a" is pressed.. after that i need it to count consonants.. could somone explain me please what this line does exactly: "while (c!='a');".. im little confused with condition in while loop

  11. #11
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    In normal english, its:
    While the variable c is not equal to small a
    c is the variable, defined on line 7 and initialized on line 11
    != is the not equal to operator
    and putting ' around the 'a' makes the compiler treat it literally, as opposed to a variable.

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    Code:
    #include <stdio.h>
    #include <conio.h>
    #include <ctype.h>
    int main()
    {
        int count=0;
        char ce;
        printf("Enter a charracter:");
        do
        {
            ce=getchar();
            char t=toupper(ce);
            if (t!='A'&&t!='U'&&t!='I'&&t!='O'&&t!='E')
                count++;
        }while (ce!='a');
        printf("\nNumber of consonants:%d",count);
        getch();
    }
    ok so i corrected code a little so it does read all the characters in one line and i used "char=ce" instead of "char=c" because i need "c" to count as consonant ..

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    you should add && t!= 'a' && t!= 'u', etc to line 13, otherwise it will count all of the lowercase vowels as consonant.

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    Code:
    #include <stdio.h>
    #include <conio.h>
    #include <ctype.h>
    int main()
    {
        int count=0;
        char ce;
        printf("Enter a charracter:");
        do
        {
            ce=getchar();
             char ce=tolower(ce);
             if (ce!='a'&&ce!='u'&&tce='i'&&ce!='o'&&ce!='e')
                count++;
        }while (ce!='a');
        printf("\nNumber of consonants:%d",count);
        getch();
    }
    how about if a change it like this

  15. #15
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    Well, this is embarrassing.
    I'm assuming tolower and toupper change the case of a letter?
    In that case, the first version (or the new version) would work just fine. Oops :/

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