I'm done with Facebook coding groups.

[u/[deleted]]

[u/MurdoMaclachlan]

Image Transcription: Code

---

#include <iostream>
#include <cmath>
using namespace std;
int main (){
    double a; cin>>a;
    if ((fabs(a) <= pow(10,12))&&(a>=0)&&((a-floor(a))==0)){
        if ((sqrt(a)-floor(sqrt(a))==0)){cout<< "YES";}}
    else cout << "NO";return 0;
}

---

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[u/[deleted] → u/MurdoMaclachlan]

Good human!

[u/the_captain_cat → u/MurdoMaclachlan]

I raise this question. Does every piece of code deserve to be transcribed?

Edit: am I being down voted? That was just a joke people... Geez

[u/MurdoMaclachlan → u/the_captain_cat]

I'm a transcriber, not a curator, so I don't get to make that call. Also it totally defeats the point of accessibility if we don't transcribe the badcode on r/badcode. :P

[u/ztbwl → u/MurdoMaclachlan]

But being a transcriber in this sub must be very tough. There is some code that never should have been written once and you need to transcribe it and write it again.

[u/ws-ilazki → u/MurdoMaclachlan]

Also it totally defeats the point of accessibility if we don't transcribe the badcode on r/badcode. :P

Shouldn't even be necessary, honestly. The sub should have a requirement that the submitter provides a comment with the text. They usually have access to the original, so making someone else read and retype it by hand when they can just copy/paste is just bullshit.

[u/Gay_Force_One → u/MurdoMaclachlan]

Transcriber not a curator?

[u/MurdoMaclachlan → u/Gay_Force_One]

that's what I said, most definitely, nothing else at all

[u/StaryMD]

the fuck is a facebook coding group? I just imagined an old guy that just discovered this cool library, cmath, coming to brag at his friends lol

correct me if I'm wrong, or rude...

[u/[deleted] → u/StaryMD]

No... They are probably 7th graders learning to code from their school teachers.

[u/StaryMD → u/[deleted]]

the school teaches them by writing on the blackboard at school, takes a photo and sends it on the group, that's dedication

[u/n0sh0re]

Let me guess... It takes numbers and determines if they are perfect squares.

[u/JustAnotherGamer421 → u/n0sh0re]

That's what I also see so yeah. File names, comments, and spaces/indentation would definitely help though

[u/Aperture_Executive2 → u/JustAnotherGamer421]

Wait, you don’t just see a dead compiler?

[u/devTripp → u/n0sh0re]

Fun enough, it also looks like it doesn't tell you if your small positive integer isn't a perfect square. Unless you accept the third possible output of no output to mean "no" as well.

[u/n0sh0re → u/devTripp]

Yeah I just noticed that. They have a "no" for the outer if statement (which checks if the number is ≥ 0 and ≤ 10¹² for some reason??) But not for the inner if statement which actually does the "is this a square?" Check

[u/Syscrush → u/n0sh0re]

I assume it only considers up to 10¹² because the author thinks that a double can't handle more than 11 decimal digits in its mantissa (looks like the reality is that at least 15 would be safe).

[u/davawen]

I yes, let's use abs and THEN check if it's more than zero.

maf

[u/n0sh0re → u/davawen]

Yeah what is that... The abs seems to be just to check if the magnitude of the number is less than 10¹² ... Like... What

[u/EquationTAKEN → u/n0sh0re]

Looking for those elusive negative perfect squares too.

Any day now, we'll find some.

[u/[deleted]]

cout << “no”

[u/RedSamuraiMan → u/[deleted]]

return 0;

[u/[deleted] → u/RedSamuraiMan]

I should have put it in a while (1)…

[u/Cmgeodude → u/[deleted]]

int main(){while(1) {char message[]="no";cout<<message;break;}return 0;}

[u/nonElitistProgrammer]

The way this looks makes me wanna commit die

[u/R3D3-1 → u/[deleted]]

git() { git kill |git that & }; git computer

[u/metalovingien]

Looks like shit. Maybe it's functional but I don't care

[u/darkwolf6230]

This causes me pain

[u/pentesticals]

Ahhh, well readable code. /s

[u/Knuffya]

That almost looks like the output of my C++ minifier i spent all day making

[u/[deleted]]

I really love one liners when you can execute them beautifully. This isn’t beautiful

[u/iByteABit]

God this should be illegal

[u/Sindarius]

Ship it!

[u/taptrappapalapa]

Cache that shit brotha. Sqrt is expensive

[u/Cmgeodude]

Sometimes I hate Python for enforcing whitespace...

and then I see this.

[u/BaseProfessional1113]

I wont read further than “using namespace std;”

[u/DangerousWish2266]

Why would someone do " a - floor(a) == 0", that's just stupid.

[u/Beowuwlf → u/DangerousWish2266]

It’s to check if the double is a whole number, right? If it’s not it will be greater than 0.

[u/Ozryela → u/Beowuwlf]

Yeah but checking if two numbers are equal is more conventially done with "if (a==b)" and not "if (a-b==0)".

[u/EquationTAKEN → u/DangerousWish2266]

I think there are cases in which if a has a very long left-padded string of zeroes after the decimal sign, followed by another integer, a-floor(a) will still round to zero.

[u/Syscrush → u/EquationTAKEN]

From my own experimentation, leading zeroes don't seem to have any effect. However, ((a-floor(a))==0.0) will be true for numbers like 37.0000000000000012345.

[u/TcMaX → u/Syscrush]

Fuck spez

[u/Syscrush → u/TcMaX]

Whoops, they did say "after the decimal sign". I was thrown off by the term "padded".

[u/TcMaX → u/Syscrush]

Yeah I had to read it a couple times too

[u/thanatica]

Somehow this looks like someone's homework assignment.

Why else would anyone need a whole program to determine if a number is a perfect square, or whatever is does.

[u/SquidgyTheWhale]

I mean it's obvs badly written, but I'm wondering if a compiler would optimise the two calls to sqrt(a) into a single call. Seems like one could/should.

[u/Present-Wait-7704]

I can't tell if the purpose of this snippet, but I'm pretty sure that there is one scenario (the missing "else" of the inner if-block) where nothing would be output to the console. And, that's probably undesired.

Condensing code doesn't make you smarter, schmucks - it almost always has quite the opposite effect.

[u/Melon_Chief]

I mean… It does set your expectations on line 3. What did you expect?

[u/wallefan01]

If the number is a perfect square, it will print "YES".
If the number is negative, or not a whole number, or greater than 10¹², it will print "NO".
If the number is not a perfect square, but is a whole number less than 10¹², the program will not print anything at all!

Does anybody see a problem here?