how to fix this problem in my clock Programme ?

This is a discussion on how to fix this problem in my clock Programme ? within the C Programming forums, part of the General Programming Boards category; the execute file of this programme works .. the programme works well ... the only problem i have is that ...

  1. #1
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    Nov 2011
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    9

    how to fix this problem in my clock Programme ?

    the execute file of this programme works .. the programme works well ...

    the only problem i have is that after 1st minute ... for all the next minutes the first 10 seconds appear me as 19 , 29 , 39 , 49, 59, 69 , 79, 89, 99 ,109, 11 ,12 ,13, ,.......

    and after those 10 secs it works fine .....

    can some one help me ?
    #include <stdio.h>
    #include <stdlib.h>
    #include <unistd.h>

    int main(){

    //Variabili di OUTPUT

    int sec,min,h;

    //Inizio Algoritmo
    sec=0;
    min=0;
    h=0;
    do{
    _sleep(1000);
    sec=sec+1;
    if(sec==60){
    sec=0;
    min=min+1;
    if(min==60){
    h=h+1;
    min=0;
    sec=0;
    }
    }
    printf("\r%d : %d : %d",h,min,sec);
    }while(h<=24);

    }
    Attached Files Attached Files

  2. #2
    spurious conceit MK27's Avatar
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    Use code tags when you post code:

    Announcements - General Programming Boards

    Main() should return an int.

    You may want to try this as a format string:

    Code:
    %d : %02d : %02d
    However, I do not notice the problem you mention.
    C programming resources:
    GNU C Function and Macro Index -- glibc reference manual
    The C Book -- nice online learner guide
    Current ISO draft standard
    CCAN -- new CPAN like open source library repository
    3 (different) GNU debugger tutorials: #1 -- #2 -- #3
    cpwiki -- our wiki on sourceforge

  3. #3
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    Nov 2011
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    9

    tnx

    thnx man .. but how did u understand tht mistake ... and without that one why doesnt it works ??

    im at start with programming ... and i dnt understand much

  4. #4
    Registered User whiteflags's Avatar
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    United States
    Posts
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    The format string MK27 gave you tells printf to pad zeros onto single digits in a field of 2 columns, so instead of 1 you get 01.

    printf displays anything exactly how you tell it to, so if you neglect to give it a correct format string it will just work however it is programmed to work. You just need to learn how to use printf. Try reading this and this.

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