From: Martin Ambuhl <mambuhl AT earthlink DOT net>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Newbie(please Help)
Date: Thu, 12 Nov 1998 05:16:25 -0500
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

Jase wrote:
> 
> Can someone please tell me where i am going wrong with this program i know
> its crap but its for college.
> 
> thanks
> jase AT lionst DOT u-net DOT com

Apart from not formatting your text decently and using nonstandard (and
occasionally illegal) C, you're mainly making this too hard.  Notice how
much cleaner (and safer) is:

/* Program to produce multiplication tables */
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>

int main(void)
{
    int table, lines, count;
    char buf[128];
    while (1) {
        while (1) {
            printf("Enter a multiplier in the range [0,12]: ");
            fflush(stdout);
            if (!fgets(buf, sizeof buf, stdin) || 
                    sscanf(buf, "%d", &table) != 1)
                exit(EXIT_FAILURE);
            if (table <= 12 && table >= 0)
                break;
        }
        while (1) {
            printf("Enter the number of lines in the range [0,12]: ");
            fflush(stdout);
            if (!fgets(buf, sizeof buf, stdin) || 
                    sscanf(buf, "%d", &lines) != 1)
                exit(EXIT_FAILURE);
            if (lines <= 12 && lines >= 0)
                break;
        }
        printf("\tThe %d times table\n", table);
        for (count = 0; count <= lines; count++) 
            printf("%2d * %2d= %4d\n", count, table, count*table);
        printf("Do you want another go [y or n]: ");
        fflush(stdout);
        if (!fgets(buf, sizeof buf, stdin) || tolower(buf[0] != 'y'))
            break;
    }
    return 0;
}




====== [jase's original code] ======
> 
>                   /*Progran to produce multiplacation tables*/
> #include <stdio.h>
> #include <conio.h>
> void main(void)
> {
> float table=0,lines=0,count,total=0;
> char end;
> do
> {
>       printf("Enter the times table 0-12  ");
>          scanf("%f",&table); /*get times table from user*/
>                   while(table>12 || table<0)
>                        {
>                            printf("\nYou must enter a number between 0-12
> ");
>                            scanf("%f",&table);
>                        }
> 
>                  printf("\nEnter the number of lines 0-12 ");
>                  scanf("%f",&lines);
>                    while(lines>12 || lines<0)
>                        {
>                            printf("\nYou must enter a number between 0-12
> ");
>                            scanf("%f",&lines);
>                        }
>               clrscr();
>               printf("\tThe %.3f times table\n",table);
>                                           for(count=0; count<=lines;
> count++)
>                                               {
>                                                 total=count*table;
>                                                 printf("\n%.1f * %.1f=
> %.1f\n",count,table,total);
>                                               }
>                                                 printf("Do you want another
> go y or n \n");
>                                                 fflush(stdin);
>                                                 scanf("%d",&end);
>                                                      table=0;
>                                                      lines=0;
>                                                      }while(end=='y');
>  }


-- 
Martin Ambuhl (mambuhl AT earthlink DOT net)
Note: mambuhl AT tiac DOT net will soon be inactive