Thread: writing backwards?

Originally Posted by Overworked_PhD

Ya know, anytime you want to meet me face to face for some kind of programming showdown, I'll be more than happy to show up and clown you like the rookie you are. Maybe we could get MK27 or tabstop to issue the programming problems. Then, in real life, without the aid of google or any other resource, we can go at it -).

Can you explain this in complete detail?

Code:

#include <stdio.h> /*why not just use stdlib.h? */

int
main ()
{
  printf ("Hello \n World!\n");
  return 1;
}

Ok I am done and I will not respond further to this. Makes for fun reading though. Perhaps !Overworked_PhD can post on xkcd?

Originally Posted by slingerland3g

Can you explain this in complete detail?

Code:

#include <stdio.h> /*why not just use stdlib.h? */

int
main ()
{
  printf ("Hello \n World!\n");
  return 1;
}

Ok I am done and I will not respond further to this. Makes for fun reading though. Perhaps !Overworked_PhD can post on xkcd?

Technically it's undefined behavior. I can prove this by citing the bad line of code and the corresponding ANSI/ISO C passage.

Well the problem doesn't seem to specify whether to store the word backwards in an array so printing the original array in reverse would produce the same answer.

Originally Posted by Overworked_PhD

Technically it's undefined behavior. I can prove this by citing the bad line of code and the corresponding ANSI/ISO C passage.

As it's written, or making the change suggested by the comments?

Originally Posted by Overworked_PhD

Nah, I'm just proving that I can run circles around you when it comes to basic programing -).

Well, I can reverse a string faster than you can!

( Holds mirror behind his back )

Originally Posted by Adak

Well, I can reverse a string faster than you can!

( Holds mirror behind his back )

Yo homegirl, I commented in my code that that it was a rookie way to reverse a string.

Originally Posted by tabstop

As it's written, or making the change suggested by the comments?

The original code, as it was presented, is technically undefined behavior. Now let's all wait for lasertard, I might laserlight to recite the corresponding passage.

Originally Posted by Overworked_PhD

The original code, as it was presented, is technically undefined behavior. Now let's all wait for lasertard, I might laserlight to recite the corresponding passage.

Whether or not to wait for LL is up to you naturally, but I'll go out on a limb and say I don't believe you. For reference, the code I'm looking at is

Code:

#include <stdio.h> /*why not just use stdlib.h? */

int
main ()
{
  printf ("Hello \n World!\n");
  return 1;
}

Originally Posted by Overworked_PhD

Wow, I'm slipping. Someone beat me to the response quicker than I could write the code -(. Anyways, maybe something like the following...

Code:

#include <stdio.h>

#define MAXLINE 80

/*Rookie way to reverse a string*/
void reverse(char s[])
{
  int i, j;
  char temp;

  i = 0;
  while (s[i] != '\0')
    ++i;
  --i;
  if (s[i] == '\n')
    --i;
  j = 0;
  while (j < i) {
    temp = s[j];
    s[j] = s[i];
    s[i] = temp;
    --i;
    ++j;
  }
}

int getline(char s[], int max)
{
  int c, i;
  for (i = 0 ;i < max -1 && (c = getchar()) != EOF && c != '\n'; i++) 
    s[i] = c;
  if (c == '\n') {
    s[i++] = c;
  }
  s[i] = '\0';
  return i;
}

int main(void)
{
  char line[MAXLINE];

  while (getline(line, MAXLINE) > 0) {
    reverse(line);
    printf("%s\n", line);
  }

  return 0;
}

[cd@localhost oakland]$ gcc -Wall -Wextra -Wshadow -ansi -pedantic easy.c -o easy
[cd@localhost oakland]$ ./easy
sex
xes

drugs
sgurd

chicks
skcihc

lalalalaliesoedosnomeosnffffffffffffffffffffffffff ffffffffffffffffffffffilolndodsmsoetssssssssssssss sssssssssssssssssssssssssssssssssssssssssiiiiiiii
odnlolifffffffffffffffffffffffffffffffffffffffffff fffffnsoemonsodeoseilalalalal
iiiiiiiissssssssssssssssssssssssssssssssssssssssss sssssssssssssteosmsd

maybe
ebyam

[cd@localhost oakland]$

thank you so much for help

Originally Posted by tabstop

Whether or not to wait for LL is up to you naturally, but I'll go out on a limb and say I don't believe you. For reference, the code I'm looking at is

Code:

#include <stdio.h> /*why not just use stdlib.h? */

int
main ()
{
  printf ("Hello \n World!\n");
  return 1;
}

This line

Code:

int
main ()

should either be

Code:

int
main (void)

or

Code:

int
main (int argc, char **argv)

Originally Posted by quzah

It's good to hear your seance worked out for you, so Stevens could help you with the above post. Dumbass.


Quzah.

This is coming from someone that has zero academic or professional credentials. Okay, maybe I'm wrong. How may Computer Science publications do you have to your name? Have may books have you co-authored?

Yes, the Schildt books suck. However, I know for a fact Schildt could still school you.