User:XKCD Random Number

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Not to be confused with Random number generator.

XKCD Random Number is a challenge that requires you to rewrite the program in XKCD's 221st page in another language, as either a function or a full program that prints the return value. You may comment your program just like XKCD did, if possible.

Implementations

!!brainfeed

++++.

!!Fuck

!!!!!#!!!!!!!#!!!!!#!!!!!!!#!!!!!#!!!!!!!#!!!!!!!!!!!#!!!!!#!!!!!!!#!!!!!!!!!!!#!!!!!!!!#!!!!!!#!!!!!!!#!!!!!!!#!!!!!!!#!!!!!#!!!!!!!!!!!!#!!!!!!#!!!!!!#!!!!!!!!!!!!#!!!!!#!!!!!!!!!!#

!@#$%^&*()_+

4@

Alternative

^^^^#

1

4111*,

It only works on the Common1 dialect of 1.

100BF

1OO 100 1OO 100 1OO 100 lO0 1OO 100 lO0 10O 1O0 100 100 100 1OO lOO 1O0 1O0 lOO 1OO l0O

3 Bits, 3 Bytes

Hÿ4

4

3.600525004

8xn

8x11116

=

0=+52

脑操

》十》十》十(》十(一《十十十》)《《)》。

硕鼠

吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱吱
吱
吱吱吱吱

AEAV

xkcd = 4         (Non-random version)
out xkcd





xkcd = 1-4            (Random version)
out xkcd

Aheui

밤망희

Arithmetic

==Begin Exam 1==
1. 1+1=? (52 points)
A. 2
Answer: A
==End Exam 1==

AuFI

Ru

Befunge

4.@

The program above prints an extra space. If you don't want an extra space, use the one below.

"4",@

BinaryLanguage

4

BracketOnly

(()()()()()()()()()()()()()()()()()())((()())(()()()()()()(()()()())((()())(()()()()()()()()()()()()()())(()())(()()()()()()()()()()()()()()))))

Alternative:

(()()()()()()()()()()()()()()()())((()())(()()()()()()()()))

Braincopter

Here is the actual program:Braincopter xkcdrn.png

Brain-Flak

In non-ASCII mode:

(()()()())

In ASCII mode:

(()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()())

Brainfuck

>+>+>+[>+[-<+++>]<<]>.

brainfuck

++++++++++++++++++++++++++++++++++++++++++++++++++++

Note that adding a . in the end of program makes it a polyglot, because that will make it also work as a brainfuck program.

Brainfuck extended

$4$.

Alternative

_34.

Alternative that doesn't use any numbers at all

////)

Brainloller

Here is the actual program:Brainloller xkcdrn.png

C

The original program mentioned on XKCD is written in C. It was a function, while the full program is shown below:

#include <stdio.h>
int main(){putchar(52);return 0;}

C#

using System;
class XKCD {
	static void Main(string[] args) {
		Console.WriteLine("4");
	}
}

Cardinal

%"4

Cood

Hey, waiter!
I want 4 of this.
How much is it?
The bill, please.

Deadchicken

chicken
chicken
chicken
chicken
chicken chicken chicken chicken

Deadfish

iiiio

enGLish

Output four

Alternative

Output 4
Alternative
Output "4"

Alternative

Output character 52

Eso2D

0_*

The program above prints an extra space. If you don't want an extra space, use the one below.

1,,#

ExampleFuck

Truth Machine
Hello World
Truth Machine
Hello World
Truth Machine
Hello World
FizzBuzz
Truth Machine
Hello World
FizzBuzz
Cat Program
Quine
Hello World
Hello World
Hello World
Truth Machine
99 Bottles of Beer
Quine
Quine
99 Bottles of Beer
Truth Machine
Self Interpreter

F!--

F! F! F! F! K!

Factor

54948677498655068263351660303957600730731029471078168023

Feedfish

iififfio

Fish Code

<((52)).><

flag

4

Gift

4___))(_(_(

Goldfuck

1.618031988749844848264586834565638817720308179805762860135440622705270462818902419707207244189392137484724088075886891758126636862223536931393180080766728354433389086095939982905638327

Hardfish

In implementations that output values as numbers:

ico

In implementations that output values as ASCII:

icrico

H+Q9

+4

Hexagony

4!@

Hexdump

34

JavaScript

console.log(4);

JSFuck

The following is just a JSFuck.com conversion from console.log(4) (3326 characters long), it works on browser JS and Node.js

[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]][([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+(![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[+!+[]]+([][[]]+[])[+[]]+([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]]((!![]+[])[+!+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+([][[]]+[])[+[]]+(!![]+[])[+!+[]]+([][[]]+[])[+!+[]]+(+[![]]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+!+[]]]+(!![]+[])[!+[]+!+[]+!+[]]+(+(!+[]+!+[]+!+[]+[+!+[]]))[(!![]+[])[+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+([]+[])[([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+(![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[+!+[]]+([][[]]+[])[+[]]+([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]][([][[]]+[])[+!+[]]+(![]+[])[+!+[]]+((+[])[([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+(![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[+!+[]]+([][[]]+[])[+[]]+([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]]+[])[+!+[]+[+!+[]]]+(!![]+[])[!+[]+!+[]+!+[]]]](!+[]+!+[]+!+[]+[!+[]+!+[]])+(![]+[])[+!+[]]+(![]+[])[!+[]+!+[]])()(([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+(![]+[])[!+[]+!+[]+!+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(+(+!+[]+[+!+[]]+(!![]+[])[!+[]+!+[]+!+[]]+[!+[]+!+[]]+[+[]])+[])[+!+[]]+(![]+[])[!+[]+!+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+(![]+[+[]]+([]+[])[([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+(![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[+!+[]]+([][[]]+[])[+[]]+([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]])[!+[]+!+[]+[+[]]]+([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[+!+[]+[!+[]+!+[]+!+[]]]+[!+[]+!+[]+!+[]+!+[]]+([+[]]+![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[!+[]+!+[]+[+[]]])

There is also a shorter one but only works on browser JS (2359 characters, a JSFuck.com conversion from alert(4)).

[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]][([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+(![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[+!+[]]+([][[]]+[])[+[]]+([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]]((!![]+[])[+!+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+([][[]]+[])[+[]]+(!![]+[])[+!+[]]+([][[]]+[])[+!+[]]+(+[![]]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+!+[]]]+(!![]+[])[!+[]+!+[]+!+[]]+(+(!+[]+!+[]+!+[]+[+!+[]]))[(!![]+[])[+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+([]+[])[([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+(![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[+!+[]]+([][[]]+[])[+[]]+([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]][([][[]]+[])[+!+[]]+(![]+[])[+!+[]]+((+[])[([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+(![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[+!+[]]+([][[]]+[])[+[]]+([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]]+[])[+!+[]+[+!+[]]]+(!![]+[])[!+[]+!+[]+!+[]]]](!+[]+!+[]+!+[]+[!+[]+!+[]])+(![]+[])[+!+[]]+(![]+[])[!+[]+!+[]])()((![]+[])[+!+[]]+(![]+[])[!+[]+!+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]+(!![]+[])[+[]]+([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[+!+[]+[!+[]+!+[]+!+[]]]+[!+[]+!+[]+!+[]+!+[]]+([+[]]+![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[!+[]+!+[]+[+[]]])

This is a longer one (8498 characters) that doesn't output any trailing line feeds which is a JSFuck.com conversion from process.stdout.write('4'), it works on Node.js.

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Please replace these implementations if you know a shorter one.

Labyrinth

4!@

Look!

Note: Look! is a sound-based language and the following line of text is only the notes of the real program, for the real program please see the link below

G# D# G D# G# C B G C F# D A C C C G# C# A A C# G F

The program as a MIDI file.

MarioLANG

++++:
=====

morse code

 ....-

Note: Space in front of returning text.

Multiplicity

417744685118879731600506117375719540878173341042907821182687827362162871106962918226728766784177853000

Odasjoi

fowdif
fowdif
fowdif
fowdif
doqije

oOo CODE

xkcD rAndoM nUmbeR iS a ChallEnGe ThAt reqUIrES yOU tO rewrITe tHe pRoGRam iN Xkcd's 221st page in another language

It's self-documenting.

Output

Output "4"

Piet

PlusIntMinus

Although the PlusOrMinus program will still work for this language, this is a shorter one that only works on PlusIntMinus.

+52-

PlusOrMinus

++++++++++++++++++++++++++++++++++++++++++++++++++++-

PocketFuck

Enlarged view

{{{2}}}

Actual size

{{{2}}}

Poetic

Pre crecas condominolovium seclosoponiat exelglios egumbo
 e arbi-brimidozoque fiene a parp-en inbidee nonquaeson!

PTotE

Tc

Python

print(4)

Alternative

__import__("sys").stdout.write("4")

Rec

4P [0^ Chosen by fair dice roll.
       Guaranteed to be random. ]

Remove Line Numbers

1 4

Rockstar

The truth is random (chosen by fair dice roll)
Looking is not useful
Xkcd is a blessing (guaranteed to be random)
Say the truth without looking over it.

Ropy

This program uses implicit output. There is a trailing newline.

4

SDOTOS

ssss!

Setlang

(4)

Which also works as a Setlang++ program.

Self-modifying Brainfuck

<.4

Simon says brainfuck

Simon says: >+>+>+[>+[-<+++>]<<]>.
Chosen by fair dice roll.
Guaranteed to be random.

Sokolang

// Chosen by fair dice roll.
// Guaranteed to be random.

 ###
##*##
#@R*#
#####

---

r:11,4

---

rwu

Standard modern vernacular

输出 4 。

StegFuck

Stegfuck xkcdrn.png

TernLSB

Ternlsb xkcdrn.png

Text

4

This esolang is a brainfuck derivative

This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainfuck derivative
This esolang is a brainf*** derivative
chosen by fair dice roll
guarranteed to be random

Note: the three stars in the program are MANDATORY, while the last two lines are not. (brainfuck: ++++++++++++++++++++++++++++++++++++++++++++++++++++.)

This esolang is not a push-down automata

4.

UnnumericJS

console.log(!''+!''+!''+!'');

Weeeeeeeeeeeeeeeeeeeeeeeeeeeeee

Start epidemic
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Infect person
Check number of infections
Delevop vaccine

WeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeBasic

print "4"

Which also works when running on WeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeBasic++ or Python 2.

A commented version, that only works in this language, is as follows:

print "4"
Start epidemic chosen by fair dice roll
Delevop vaccine guarranteed to be random

wenyan

吾有一數。曰四。書之。

Whendo

a==0=>a+=4->a

wsad

wwwwwwwwas

X strike

X!×4
x^-1×0×0

External resources