Message-ID: <3622B1F1.72485EFA@nceye.net>
From: Alexei Akimov <sabrah AT nceye DOT net>
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Newsgroups: comp.os.msdos.djgpp
Subject: Re: function basics - mem. address
References: <3622B158 DOT 6DC9DC07 AT nceye DOT net>
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Date: Mon, 12 Oct 1998 21:50:41 -0400
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

Wow, I forgotten to say that gcc (with Rhide) compils everything without
errors, and displays all intergers, but the last one always has one and
the same value: 11935696. Probably, it's memory address?

Alexei Akimov wrote:
> 
> Hya,
> and thanx agian for helping me. I certainly understood a bit about
> functions,
> but still not enough to resolve another stumbling block (for me).
>    Could u plz have a look a it and point me out, how I should do it?
> Below is the piece that I working on. The first function is working, but
> there something wrong with data types or formats. It prints everything,
> except for the last interger. If u r interested to see the whole thing,
> just scroll down, plz.
> Thank you - I really do appreciate, Alex
> 
> #include <stdio.h>
> #include <conio.h>
> void prompt(int &hrs1, char &ch1, int &mnts1,int &hrStop1,int
> &mntStop1)
>  {
>  printf ("Plz carve your nums");
>  scanf  ("%d%c%d", &hrs1, &ch1, &mnts1);
>   printf("U left office at: ");
>   scanf ("%d%c%d", &hrStop1, &ch1, &mntStop1);
>   return;
>  }
> void mntpositive(int &hrs1, int &hrStop1, int &Allhrs1)
> {
>         if (hrs1>=8&&hrs1<=12&&hrStop1<8&&hrStop1>0)//began before 12 &
> finished after
>             Allhrs1=12-hrs1;
>             Allhrs1=Allhrs1+hrStop1;
>            if (hrs1>=8&&hrs1<12&&hrStop1>=8&&hrStop1<=12)//began & finished
> before 12
>              Allhrs1=hrStop1-hrs1;
>            else if (hrs1<7&&hrs1>0&&hrStop1<=7&&hrStop1>0)//began & finished
> after 12
>            Allhrs1=hrStop1-hrs1;
>            return;
> }
> void main (void)
>  {   int days, Allmnts, totalHrs, Allhrs, totalMnts;
>  char ch;
> 
>       clrscr();
>        int hrs, mnts, hrStop, mntStop;
> 
>        prompt(hrs, ch, mnts, hrStop, mntStop);
> 
>    if (mnts<60&&mnts>=0&&mntStop<60&&mntStop>=0)//minutes are valid
> initially
> 
>        Allmnts=mntStop-mnts;
> 
>   if (Allmnts>=0&&Allmnts<60&&mntStop>=mnts)//entries with positive
> minutes difference
>         {int hrs, hrStop, Allhrs;
>           mntpositive(hrs, hrStop, Allhrs);
>            }
>            printf("\n\tHere they are:\n\t%d and %d and %d and %d and %d", hrs,
> mnts, mntStop, hrStop, Allhrs);
>            }
> 
> And here's the whole program, if it's helpful .
> 
> #include <stdio.h>
> #include <conio.h>
> void prompt(int &hrs1, char &ch1, int &mnts1,int &hrStop1,int
> &mntStop1)
>  {
>  printf ("Plz carve your nums");
>  scanf  ("%d%c%d", &hrs1, &ch1, &mnts1);
>   printf("U left office at: ");
>   scanf ("%d%c%d", &hrStop1, &ch1, &mntStop1);
>  }
> 
> int main ()
>  {  int hrs, mnts, hrStop, mntStop, Allhrs, Allmnts, days, totalHrs=0,
> totalMnts=0, extra;
>  char ch;
> 
>      for (days=0; days<5; days++)
>     {    clrscr();
>        int hrs, mnts, hrStop, mntStop;
>        char ch;
>        prompt(hrs, ch, mnts, hrStop, mntStop);
> 
>    if (mnts<60&&mnts>=0&&mntStop<60&&mntStop>=0)//minutes are valid
> initially
> 
>        Allmnts=mntStop-mnts;
> 
>   if (Allmnts>=0&&Allmnts<60&&mntStop>=mnts)//entries with positive
> minutes difference
>         {
> 
>         if (hrs>=8&&hrs<=12&&hrStop<8&&hrStop>0)//began before 12 & finished
> after
>             Allhrs=12-hrs;
>             Allhrs=Allhrs+hrStop;
>            if (hrs>=8&&hrs<12&&hrStop>=8&&hrStop<=12)//began & finished before
> 12
>              Allhrs=hrStop-hrs;
>            else if (hrs<7&&hrs>0&&hrStop<=7&&hrStop>0)//began & finished after
> 12
>            Allhrs=hrStop-hrs;
>            }
>      else if (Allmnts<0&&Allmnts>-60)//entries with a negative minutes
> difference
>        {
>          if (hrs>=8&&hrs<=12&&hrStop<8&&hrStop>0)//began before 12 & finished
> after
>             Allhrs=11-hrs;
>             Allhrs=Allhrs+hrStop;
>            if (hrs>=8&&hrs<=12&&hrStop>=8&&hrStop<=12)//began & finished before
> 12
> 
>              Allhrs=hrStop-hrs-1;
>            else if (hrs<8&&hrs>0&&hrStop<8&&hrStop>0)//began & finished after
> 12
>            Allhrs=hrStop-hrs-1;
>            Allmnts=60+Allmnts;
>           }
> 
>              totalHrs=totalHrs+Allhrs;
>              totalMnts=totalMnts+Allmnts;
>           }
> 
>             float rate, hrWage, mntWage, regWage, SuperWage, totalWage;
> 
>               printf ("Enter desired pay per hour: ");
>               scanf  ("%f", &rate);
> 
>          if (totalMnts>=60)
>           {
>             extra=totalMnts/60;
>             totalMnts=totalMnts%60;
>             totalHrs=totalHrs+extra;
>             }
> 
>        if (totalHrs>40)
>          { regWage=rate*40;
>            SuperWage=(totalHrs-40)*1.5f*rate;
>            mntWage=(rate/60)*totalMnts;
>            totalWage=regWage+SuperWage+mntWage;
>            }
>         else
>           {
>              SuperWage=0;
> 
>              mntWage=(rate/60)*totalMnts;
>              totalWage=(rate*totalHrs)+mntWage;
>            }
>         printf ("\n\tYour regular pay is $%7.2f,\n overtime pay $%7.2f,\n\t and
> total pay $%7.2f\n\t", regWage, SuperWage, totalWage);
>     return 0;
>    }