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NNTP-Posting-Date: Tue, 07 Feb 2012 09:35:43 -0600
Message-ID: <4F3144CE.1B87@mindspring.com>
Date: Tue, 07 Feb 2012 10:35:42 -0500
From: pete <pfiland@mindspring.com>
Reply-To: pfiland@mindspring.com
Organization: PF
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Subject: Re: card-counting program for blackjack
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Xref: x330-a1.tempe.blueboxinc.net comp.lang.c:16840

pete wrote:
> 
> luser- -droog wrote:
> >
> > Sir, is that a keyboard in your sleeve?
> >
> > 692(1)03:51 PM:~ 0> cat bj.c && echo --------- && make bj && bj
> > #include <ctype.h>
> > #include <stdio.h>
> > #include <string.h>
> >
> > enum { cards = 13, suits = 4, decks = 4 };
> > int count[cards];
> > int total;
> > char symbols[] = "234567890jqka";
> >
> > void reset() {
> >     int i;
> >     total = 0;
> >     for (i=0; i < cards; i++)
> >         total += count[i] = suits * decks;
> > }
> >
> > void sub(char c) {
> >     if(c=='s')
> >         reset();
> >     else {
> >         char *p = strchr(symbols, tolower(c));
> >         if (p == NULL) return;
> >         --count[ p - symbols ];
> >         --total;
> >     }
> > }
> >
> > void show() {
> >     int i;
> >     for (i=0; i < cards; i++) printf("  %c ", toupper(symbols[i]));
> >     puts("");
> >     for (i=0; i < cards; i++) printf("%3d ", count[i]);
> >     printf(" 10s:%d ", count[8]+count[9]+count[10]+count[11]);
> >     printf("  Total:%d", total);
> >     puts("");
> >     for (i=0; i < cards; i++) printf("%3d ", (count[i]*100)/total);
> >     printf(" 10s:%d ", ((count[8]+count[9]+count[10]+count[11])*100)/
> > total);
> >     puts("");
> > }
> >
> > char buf[99];
> >
> > void readline() {
> >     fgets(buf,99,stdin);
> > }
> >
> > void doline() {
> >     int i = 0;
> >     while(buf[i]){
> >         if (!isspace(buf[i]))
> >             sub(buf[i]);
> >         ++i;
> >     }
> > }
> >
> > int main() {
> >     reset();
> >     while(1) {
> >         show();
> >         readline();
> >         doline();
> >     }
> >     return 0;
> > }
> >
> > ---------
> > cc -g -Wall    bj.c   -o bj
> >   2   3   4   5   6   7   8   9   0   J   Q   K   A
> >  16  16  16  16  16  16  16  16  16  16  16  16  16  10s:64   Total:
> > 208
> >   7   7   7   7   7   7   7   7   7   7   7   7   7  10s:30
> 
> This point is where the output stops on my machine.
> Either that,
> or this is the point where the program runs too slowly
> for me to continue waiting for more output.

I think I'm supposed to input something at this point
but I haven't figured out what yet.

-- 
pete