Print X without X (robber's thread)

Question

This is the robber's thread of a cops-and-robbers challenge. You can view the cop's thread here

A pretty common beginner style question is to print some string, but, there's a catch!, you need to do it without using any of the characters in the string itself!

For this challenge we will find out who is the best at printing X without X. There are two threads to this, a cop's thread and a robber's thread.

In the cop's thread users will choose a language (which we will call Y) and a string (which we will call X) and write a program in language Y which takes no input and outputs X without using any of the characters in X. The cop will then post both X and Y without revealing the program they have written.

Robbers will be select cop answers and write programs in language Y which take no input and output X. They will post these "cracks" as answers in this thread. A crack need only work not be the intended solution.

Once a cop's answer is one week old, so long as it has not been cracked, the cop may reveal their program and mark it as "safe". Safe answers can no longer be cracked

Robbers will be scored by the total number of successful cracks with more cracks being better.

Answer 1

Befunge-93, 123 bytes, cracks Ethan Chapman's answer

!:v+
 v>$$~!~!g~!!+~!!~!g~!!-:~!!-:~!!-:~!!-:~!!-:~!!-:~!!-:~!!-:~!!-:~!!-
v>~!!~!!+~!!+~!g~!!+:~!!~!!~!!+~!!+p
vx<
>:|
  @

Note that this code does read from the input, and will break if you someone manage to input null bytes, but it performs correctly on no input, and that is allowed. "A pain to implement" was a total understatement.

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Answer 2

Python 2, 5271 4113 621 524 bytes, cracks Mukundan's answer

r=False+False
q=True+r
u=``[]``
s=``u``[q+q]
a=`r`
b=`q`
c=`q+q`
e=`q+q+q`
f=`q+q+q+q`
g=`q+q+q+q+q`
h=`q+q+q+q+q+q`
i=`q+q+q+q+q+q+q`
exec(eval(u[r]+s+b+g+b+s+b+g+g+s+b+h+a+s+b+g+i+s+b+h+c+s+b+h+f+s+a+f+a+s+b+h+e+s+b+i+b+s+b+h+e+s+a+i+e+s+b+h+e+s+b+i+b+s+b+h+e+s+a+g+h+s+b+h+e+s+b+h+f+s+b+f+f+s+b+g+i+s+b+h+g+s+b+h+f+s+a+g+h+s+b+h+i+s+b+h+c+s+b+g+b+s+b+h+f+s+b+f+g+s+a+g+a+s+a+f+i+s+a+f+c+s+b+e+f+s+a+f+i+s+a+h+a+s+a+h+b+s+a+h+c+s+a+h+e+s+a+h+f+s+a+h+g+s+a+h+h+s+a+h+i+s+a+i+a+s+a+i+b+s+b+f+f+s+b+h+f+s+a+f+i+s+a+g+b+u[r]))

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I will try and golf this and add a better explanation, just wanted to get the crack out there.

Explanation

The basic idea is that in python2 ` can be used to get the string representation of an object. From this we have 3 types of character we get

• numbers. We get numbers by adding booleans to get the desired number and then converting that to its representation. We will also use the number method for indexing.
• '. We get this by getting the representation of False and then the representation of that string. We then take the first character of that.
• \. We get this by taking the representation of True repeatedly until the representation has a backslash to escape a quote, we then index this.

From here we build the string

'\151\155\160\157\162\164\040\163\171\163\073\163\171\163\056\163\164\144\157\165\164\056\167\162\151\164\145\050\047\042\134\047\060\061\062\063\064\065\066\067\070\071\144\164\047\051'

Which is just a pile of octal escape codes for:

import sys;sys.stdout.write('"\'0123456789dt')

Which when run does the proper output.

Answer 3

R, 79 63 bytes, Robin Ryder's answer

x=pi*pi;cat(apropos("^.$")[c(T,sum(x,T),sum(x,pi))],F:x,sep='')

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Being allowed to use () let me use apropos to grab the length-one function names, and then just index them to get the appropriate -/+.

Answer 4

Java, cracks @MCross's answer

public class Main { public static void main(String[] args) { System\u002eout\u002eprintln("" + (char)46 + (char)10); } }

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Definitely not the intended solution, just abuses the unicode escaping technique in Java (\u002e gets interpreted as . by the compiler). Thanks to @user from the previous Java answer (now deleted) on the cop's thread where this was the intended approach.

Answer 5

Perl 5 + -p, cracks Dom Hastings's second answer

BEGIN { $. = ARGU; ++$.; $_ = z - z; @{$.} = $$_; }  $f = b; ++$f; $f .= hr; $_ = B; ++$_; $f = $_ . ORE . :: . $f;  $_ = &$f(hex(f) + hex(f) + $. + $. + $. + $.); $_ .= &$f(hex(f) + hex(e) + hex(a)); $_ .= &$f(hex(f) + hex(f) + hex(f) + $. + $.); $_ .= ($.-$.) . $. . ($.+$.) . ($.+$.+$.) . ($.+$.+$.+$.) . ($.+$.+$.+$.+$.) . ($.+$.+$.+$.+$.+$.) . ($.+$.+$.+$.+$.+$.+$.) . ($.+$.+$.+$.+$.+$.+$.+$.) . ($.+$.+$.+$.+$.+$.+$.+$.+$.); $_ .= &$f(hex(f) * ($.+$.+$.+$.)); $A = B; ++$A; $_ .= $A; $A = L; ++$A; $_ .= $A; $A = O; ++$A; $_ .= $A; ++$A; $_ .= $A; $A = R; ++$A; $_ .= $A; ++$A; $_ .= $A; $A = U; ++$A; $_ .= $A; $A = X; ++$A; $_ .= $A; $_ .= &$f(hex(f) * ($.+$.+$.+$.+$.+$.) + $. + $.); $_ .= &$f(hex(f) * ($.+$.+$.+$.+$.+$.) + $. + $. + $. + $.); $_ .= &$f(hex(f) * ($.+$.+$.+$.+$.+$.) + $. + $. + $. + $. + $. + $.); $a = b; ++$a; $_ .= $a; $a = l; ++$a; $_ .= $a; $a = o; ++$a; $_ .= $a; ++$a; $_ .= $a; $a = r; ++$a; $_ .= $a; ++$a; $_ .= $a; $a = u; ++$a; $_ .= $a; $a = x; ++$a; $_ .= $a; $_ .= &$f(hex(f) * ($.+$.+$.+$.+$.+$.+$.+$.) + $. + $. + $. + $.); $_ .= &$f(hex(f) * ($.+$.+$.+$.+$.+$.+$.+$.) + $. + $. + $. + $. + $. + $.);

The first part to read input from the script file is identical to my first crack. The second part constructs a reference to the chr built-in function using unquoted literals and the ++ operator on all-letters string variables.

#!/usr/bin/perl -p
BEGIN {
    # Set @ARGV to $0, a file that we know contains exactly one line.
    # This assumes that perl is invoked on a script file, not with -e.
    $. = ARGU; ++$.;
    $_ = z - z;
    @{$.} = $$_;
}
# For the expanded version only: only process the first line.
print "\n" and exit if $line++;

# Set $f to "CORE::chr". We can then call chr as &$f(NUMERIC_VALUE).
$f = b; ++$f; $f .= hr; $_ = B; ++$_; $f = $_ . ORE . :: . $f;

# We have $. == 1 and we're allowed to use + which makes building all
# positive integers trivial. This code uses a few shortcuts.
$_ = &$f(hex(f) + hex(f) + $. + $. + $. + $.);
$_ .= &$f(hex(f) + hex(e) + hex(a));
$_ .= &$f(hex(f) + hex(f) + hex(f) + $. + $.);
$_ .= ($.-$.) . $. . ($.+$.) . ($.+$.+$.) . ($.+$.+$.+$.) . ($.+$.+$.+$.+$.) . ($.+$.+$.+$.+$.+$.) . ($.+$.+$.+$.+$.+$.+$.) . ($.+$.+$.+$.+$.+$.+$.+$.) . ($.+$.+$.+$.+$.+$.+$.+$.+$.);
$_ .= &$f(hex(f) * ($.+$.+$.+$.));
$A = B; ++$A; $_ .= $A;
$A = L; ++$A; $_ .= $A;
$A = O; ++$A; $_ .= $A; ++$A; $_ .= $A;
$A = R; ++$A; $_ .= $A; ++$A; $_ .= $A;
$A = U; ++$A; $_ .= $A;
$A = X; ++$A; $_ .= $A;
$_ .= &$f(hex(f) * ($.+$.+$.+$.+$.+$.) + $. + $.);
$_ .= &$f(hex(f) * ($.+$.+$.+$.+$.+$.) + $. + $. + $. + $.);
$_ .= &$f(hex(f) * ($.+$.+$.+$.+$.+$.) + $. + $. + $. + $. + $. + $.);
$a = b; ++$a; $_ .= $a;
$a = l; ++$a; $_ .= $a;
$a = o; ++$a; $_ .= $a; ++$a; $_ .= $a;
$a = r; ++$a; $_ .= $a; ++$a; $_ .= $a;
$a = u; ++$a; $_ .= $a;
$a = x; ++$a; $_ .= $a;
$_ .= &$f(hex(f) * ($.+$.+$.+$.+$.+$.+$.+$.) + $. + $. + $. + $.);
$_ .= &$f(hex(f) * ($.+$.+$.+$.+$.+$.+$.+$.) + $. + $. + $. + $. + $. + $.);

# $_ will be printed thanks to -p

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Answer 6

Java, cracks @user's answer

import java.io.*;

public class Main {
    public static void main(String[] args) {
        PrintStream out =  new PrintStream(new FileOutputStream(FileDescriptor.out));
        out.println(""+(char)121+(char)67+(char)92);
    }
}

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There's more than one way to get standard out (although the FileDescriptor reference needs to be converted to a PrintStream first).

Answer 7

JavaScript (Browser), cracks Sparkles the Unicorn's second answer

eval('a=1<<1+1+1+1+1+1;b=1+1+1<<1+1+1+1;console.log(S'+(!!1+'').slice(1-1,1)+'ring.'+(!1+'').slice(1-1,1)+'romCharCode(++a,++a,a+=1+1,++a,++a,++a,a+=1+1,a+=1+1+1+1+1,++a,++a,++a,a+=1+1+1,++a,++a,a+=1+1+1,++a,b+=1+1,++b,++b,++b,++b,++b,++b,++b,b-11+1+1,111+1+1+1+1+1,111-11+1+1,++a))')

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Because [] is banned, we use string method .slice instead to grab the t and f, and then we have String.fromCharCode again. I use some variables to make it easier to build the numbers, but it would technically work with simple 1+1+1+... too.

Answer 8

R, cracks Robin Ryder's challenge

The string to print is

t <-
"0123456789=[\\]^_`v"

We're not allowed to use the digits 0 to 9, but we can make numbers using sum and T

(+T) # 1
(T+T) # 2
(T+T+T) # 3 
# ...and so on

We'll need the numbers 116,32,60,45,10,34,48,49,50,51,52,53,54,55,56,57,61,91,92,93,94,95,96,118 and 34, which are the ASCII values of all the characters in the string to print.
I'm not going to make them now *, so I hope you, dear reader, will trust that I could.

Now, we use these numbers inside the following program (substitute each number for sum(T+T+...+T+T)):

do.call(el(ls(9),297),lapply(do.call(apropos('in.ToU.f'),lapply(F,pmax,(c(116,32,60,45,10,34,48,49,50,51,52,53,54,55,56,57,61,91,92,93,94,95,96,118,34)))),c))

Try it online! * with numbers correctly substituted for (T+T...+T) expressions

How?

• We convert the vector of numbers c(116,...34) into a list using lapply(F,pmax,...)
• Then we use this as an argument to do.call(apropos('in.ToU.f'),...), which calls the function intToUtf8()
• Finally, we send the output to cat. Since cat contains a 't' we can't call it directly, so we look it up in the list ls(9) of all functions. It's number 297 in the TIO installation of R.

Answer 9

Wolfram Language (Mathematica), 1422 bytes, cracks att's answer

^{this question is named incorrectly, we're actually the cops, trying to prevent all those evil newcomers from posting challenges we don't like /s}
This is just escape sequences for Print@FromCharacterCode@{97, 98, 100, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 10, 123, 32, 60, 45, 62, 32, 44, 32, 126, 44, 32, 38, 125, 91, 40, 42, 64, 41, 91, 93, 93, 10}.

\:0050\:0072\:0069\:006E\:0074\:0040\:0046\:0072\:006F\:006D\:0043\:0068\:0061\:0072\:0061\:0063\:0074\:0065\:0072\:0043\:006F\:0064\:0065\:0040\:007B\:0039\:0037\:002C\:0020\:0039\:0038\:002C\:0020\:0031\:0030\:0030\:002C\:0020\:0031\:0030\:0032\:002C\:0020\:0031\:0030\:0033\:002C\:0020\:0031\:0030\:0034\:002C\:0020\:0031\:0030\:0035\:002C\:0020\:0031\:0030\:0036\:002C\:0020\:0031\:0030\:0037\:002C\:0020\:0031\:0030\:0038\:002C\:0020\:0031\:0030\:0039\:002C\:0020\:0031\:0031\:0030\:002C\:0020\:0031\:0031\:0031\:002C\:0020\:0031\:0031\:0032\:002C\:0020\:0031\:0031\:0033\:002C\:0020\:0031\:0031\:0034\:002C\:0020\:0031\:0031\:0035\:002C\:0020\:0031\:0031\:0036\:002C\:0020\:0031\:0031\:0037\:002C\:0020\:0031\:0031\:0038\:002C\:0020\:0031\:0031\:0039\:002C\:0020\:0031\:0032\:0030\:002C\:0020\:0031\:0032\:0031\:002C\:0020\:0031\:0032\:0032\:002C\:0020\:0031\:0030\:002C\:0020\:0031\:0032\:0033\:002C\:0020\:0033\:0032\:002C\:0020\:0036\:0030\:002C\:0020\:0034\:0035\:002C\:0020\:0036\:0032\:002C\:0020\:0033\:0032\:002C\:0020\:0034\:0034\:002C\:0020\:0033\:0032\:002C\:0020\:0031\:0032\:0036\:002C\:0020\:0034\:0034\:002C\:0020\:0033\:0032\:002C\:0020\:0033\:0038\:002C\:0020\:0031\:0032\:0035\:002C\:0020\:0039\:0031\:002C\:0020\:0034\:0030\:002C\:0020\:0034\:0032\:002C\:0020\:0036\:0034\:002C\:0020\:0034\:0031\:002C\:0020\:0039\:0031\:002C\:0020\:0039\:0033\:002C\:0020\:0039\:0033\:002C\:0020\:0031\:0030\:007D

I really hope this is not the intended solution, but then I ran

Names[] ~ Select ~ (ContainsNone[Characters@#, Characters@"abdfghijklmnopqrstuvwxyz"]&)

, and, ignoring random unicode characters, this is the output: FE`AC, FE`c, C, CDF, D, FE`e, E, FE`e$, FE`FT, FE`FTU, GCD, I, K, LCM, N, O, PDF, Re, FE`SC, Sec, URL, Vee, FE`WW, and the only way to call any of this stuff seems to be //.

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Answer 10

APL (Dyalog Unicode), 112 bytes, Cracks Bubbler's answer

a←'a'(⎕NCREATE⍠'IfExists' 'Replace')0⋄117 118 85 86 ¯30 ¯108 ¯68⎕NREPLACE a 0⋄⍞←⊃⎕NGET'a'

Isn't too impressive I'm afraid, just writes the bytes to a file then reads it back as text. Couldn't use ⎕ARBOUT to write out the file because of the O, but ⎕NREPLACE works fine.

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Answer 11

SimpleTemplate, 175 bytes, cracks @IsmaelMiguel's answer

{@set j "b"}{@set k "{@in\x63 j}"}{@eval k}{@print j}{@set j "g"}{@set k "{@in\x63 j}"}{@eval k}{@print j}{@set j "n"}{@set k "{@in\x63 j}"}{@eval k}{@print j}{@print VERSION}

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I had a hunch that 0.84 would be a hardcoded version number, and so it was. Then I just needed a way to get cho. The natural way to do this is with inc (increment) acting on b, g, and n, but without c I had to take the slightly longer eval route to get there.

Answer 12

Fortran (GFortran), cracks Dingus's answer

      INTEGER :: Izero = AND(BIT_SIZE(Izero), NOT(BIT_SIZE(Izero)))
      CHARACTER(BIT_SIZE(Izero)) :: out
      CHARACTER(BIT_SIZE(Izero)) :: fmt
      I = IBSET(Izero, Izero)
      I_ = SHIFTL(I, I)
      I__ = SHIFTL(I_, I)
      I___ = SHIFTL(I__, I)
      I____ = SHIFTL(I___, I)
      I_____ = SHIFTL(I____, I)
      I______ = SHIFTL(I_____, I)
      J=I
      K=OR(I___,I_____)
      fmt(J:J) = ACHAR(K)
      J=I_
      K=OR(I,I______)
      fmt(J:J) = ACHAR(K)
      J=OR(I,I_)
      K=OR(OR(I,I____),I_____)
      fmt(J:J) = ACHAR(K)
      J=I__
      K=OR(OR(I___,I____),I_____)
      fmt(J:J) = ACHAR(K)
      J=OR(I,I__)
      K=OR(OR(I,I___),I_____)
      fmt(J:J) = ACHAR(K)
      J=I
      K=OR(I____,I______)
      out(J:J) = ACHAR(K)
      J=I_
      K=OR(OR(I____,I_____),I______)
      out(J:J) = ACHAR(K)
      J=OR(I,I_)
      K=OR(OR(I,I____),I_____)
      out(J:J) = ACHAR(K)
      J=I__
      K=OR(OR(I_,I____),I_____)
      out(J:J) = ACHAR(K)
      J=OR(I,I__)
      K=OR(OR(OR(I,I_),I____),I_____)
      out(J:J) = ACHAR(K)
      J=OR(I_,I__)
      K=OR(OR(I__,I____),I_____)
      out(J:J) = ACHAR(K)
      J=OR(OR(I,I_),I__)
      K=OR(OR(OR(I,I__),I____),I_____)
      out(J:J) = ACHAR(K)
      J=I___
      K=OR(OR(OR(I_,I__),I____),I_____)
      out(J:J) = ACHAR(K)
      J=OR(I,I___)
      K=OR(OR(OR(OR(I,I_),I__),I____),I_____)
      out(J:J) = ACHAR(K)
      J=OR(I_,I___)
      K=OR(OR(I___,I____),I_____)
      out(J:J) = ACHAR(K)
      J=OR(OR(I,I_),I___)
      K=OR(OR(OR(I,I___),I____),I_____)
      out(J:J) = ACHAR(K)
      J=OR(I__,I___)
      K=OR(I____,I_____)
      out(J:J) = ACHAR(K)
      J=OR(OR(I,I__),I___)
      K=OR(OR(OR(I,I_),I__),I_____)
      out(J:J) = ACHAR(K)
      J=OR(OR(I_,I__),I___)
      K=OR(I_,I_____)
      out(J:J) = ACHAR(K)
      J=OR(OR(OR(I,I_),I__),I___)
      K=OR(OR(OR(I,I_),I___),I_____)
      out(J:J) = ACHAR(K)
      J=I____
      K=OR(OR(OR(I,I__),I___),I_____)
      out(J:J) = ACHAR(K)
      J=OR(I,I____)
      K=OR(OR(I_,I___),I_____)
      out(J:J) = ACHAR(K)
      J=OR(I_,I____)
      K=OR(OR(OR(OR(I,I_),I__),I___),I_____)
      out(J:J) = ACHAR(K)
      WRITE(OR(I_,I__), fmt) out
      END

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Encoding integers without digits was tedious so I used a generator script.

#!/usr/bin/env perl
use warnings;
use strict;

my $output = 'Pp1234567890\'"+-*/';

# Izero = 0, I = 1, I_ = 2, I__ = 4, I___ = 8, ...
sub encode_integer {
    my ($n) = @_;
    if ($n == 0) {
        return 'Izero';
    }
    my $k = 0;
    while (($n & 1) == 0) {
        $n >>= 1;
        ++$k;
    }
    my $expr = 'I' . '_' x $k;
    while ($n != 0) {
        $n >>= 1;
        ++$k;
        if ($n & 1) {
            $expr = sprintf('OR(%s,%s)', $expr, 'I' . '_' x $k);
        }
    }
    return $expr;
}

sub set_char {
    my ($variable, $pos, $num) = @_;
    return <<EOF;
J=$pos
K=$num
$variable(J:J) = ACHAR(K)
EOF
}

sub build_string {
    my ($variable, $string) = @_;
    my @chars = split(//, $string);
    my $result = '';
    foreach my $i (1..@chars) {
        $result .= set_char($variable, $i, ord($chars[$i-1]));
    }
    return $result;
}

my $header = <<'EOF';
INTEGER :: 0 = AND(BIT_SIZE(0), NOT(BIT_SIZE(0)))
CHARACTER(BIT_SIZE(0)) :: out
CHARACTER(BIT_SIZE(0)) :: fmt
1 = IBSET(0, 0)
2 = SHIFTL(1, 1)
4 = SHIFTL(2, 1)
8 = SHIFTL(4, 1)
16 = SHIFTL(8, 1)
32 = SHIFTL(16, 1)
64 = SHIFTL(32, 1)
EOF

my $footer = <<'EOF';
WRITE(6, fmt) out
END
EOF

my $code = ($header .
            build_string('fmt', sprintf('(A%d)', length($output))) .
            build_string('out', $output) .
            $footer);
$code =~ s/[0-9]+/encode_integer($&)/eg;
$code =~ s/^/      /mg;
print $code;

The most basic way to print something in Fortran is PRINT but that's forbidden. GFortran has a more convenient function FPUT to print a character but it's also forbidden. We'll have to use WRITE. Its syntax is WRITE(unit, format) data where unit designates the output file, format describes how to format the output, and data is the data to write. WRITE adds a trailing newline so we'll have to produce the output in one go.

The unit can be either * meaning the default output, or an expression that returns an integer. Since * is forbidden, we need an integer. Standard output is unit 6.

The format can be either * or some specifications in parentheses. It can be written literally in the source code or can come dynamically from a string varible. We'll need forbidden characters in the format so it'll have to be dynamic, in the variable fmt. We want to print 18 characters so the format is (A18).

This leaves the problem of constructing strings. We can construct individual characters from their value with ACHAR, and set the characters of a string variable one at a time. So all that remains is to construct integers.

Modern Fortran has bitwise operations on integers. I used SHIFTL and OR (IOR in standard Fortran) to construct integers from 0 and 1. For 1, I used IBSET. For 0, I used AND of two integers. Finding an integer to start with took me a bit of time because I was looking for a compile-time constant, although that turned out to be unnecessary in the end; I could have used something like TIME(). The expressions can get big, and classic Fortran (without the forbidden PROGRAM has a line length limit, so I define constants for powers of 2 and intermediate variable while setting a character of a string).

To declare the strings, I needed to express their length (or more precisely their storage size which could be larger than the effective length) as a compile-time constant without using digits. I finally stumbled on BIT_SIZE which is conveniently larger than the size I needed (32 >= 18, 6).

Answer 13

Rust, cracks madlaina's (edited) answer

extern "C" {
    fn system(x: &str) -> &str;
}

fn main() {
    unsafe {
        system("echo -en '\x70\x77'");
    }
}

Relies on undefined behavior (C string != &str) but it seems to work.

Try it online!

Answer 14

Perl 5, cracks @Gilles 'SO- stop being evil''s answer 10359 bytes

Note that the link below includes /, but the code for Perl 5.20.3 uses ? instead to meet the rules. TIO has a newer Perl and doesn't support the ?...? syntax.

[$_=[$?..$=]]&[$__=$$_[//]]&[$_=[$__..$=]]&[$___=$$_[//]]&[$_=[$___..$=]]&[$____=$$_[//]]&[$_=[$____..$=]]&[$_____=$$_[//]]&[$_=[$_____..$=]]&[$______=$$_[//]]&[$_=[$______..$=]]&[$_______=$$_[//]]&[$_=[$_______..$=]]&[$________=$$_[//]]&[$_=[$________..$=]]&[$_________=$$_[//]]&[$_=[$_________..$=]]&[$__________=$$_[//]]&/./&[$_=[$&.._]]&[$___________=$$_[$?]]&[$_=[$___________.._]]&[$____________=$$_[//]]&[$_=[$____________.._]]&[$_____________=$$_[//]]&[$_=[$_____________.._]]&[$______________=$$_[//]]&[$_=[$______________.._]]&[$_______________=$$_[//]]&[$_=[$_______________.._]]&[$________________=$$_[//]]&[$_=[$________________.._]]&[$_________________=$$_[//]]&[$_=[$_________________.._]]&[$__________________=$$_[//]]&[$_=[$__________________.._]]&[$___________________=$$_[//]]&[$_=[$___________________.._]]&[$____________________=$$_[//]]&[$_=[$____________________.._]]&[$_____________________=$$_[//]]&[$_=[$_____________________.._]]&[$______________________=$$_[//]]&[$_=[$______________________.._]]&[$_______________________=$$_[//]]&[$_=[$_______________________.._]]&[$________________________=$$_[//]]&[$_=[$________________________.._]]&[$_________________________=$$_[//]]&[$_=[$_________________________.._]]&[$__________________________=$$_[//]]&[$_=[$__________________________.._]]&[$___________________________=$$_[//]]&[$_=[$___________________________.._]]&[$____________________________=$$_[//]]&[$_=[$____________________________.._]]&[$_____________________________=$$_[//]]&[$_=[$_____________________________.._]]&[$______________________________=$$_[//]]&[$_=[$______________________________.._]]&[$_______________________________=$$_[//]]&[$_=[$_______________________________.._]]&[$________________________________=$$_[//]]&[$_=[$________________________________.._]]&[$_________________________________=$$_[//]]&[$_=[$_________________________________.._]]&[$__________________________________=$$_[//]]&[$_=[$__________________________________.._]]&[$___________________________________=$$_[//]]&[$_=[$___________________________________.._]]&[$____________________________________=$$_[//]]&[$_=$#_]&/./&[$_______________________________________________________________=$&]&[$________________________________________________________________=$_______________________________________________________________&$$__.$__]&[$_=$$________________________________________________________________=$_____]&/...$/&[$_=$&]&/./&[$_____________________________________=$&]&[$_=[$_____________________________________.._]]&[$______________________________________=$$_[//]]&[$_=[$______________________________________.._]]&[$_______________________________________=$$_[//]]&[$_=[$_______________________________________.._]]&[$________________________________________=$$_[//]]&[$_=[$________________________________________.._]]&[$_________________________________________=$$_[//]]&[$_=[$_________________________________________.._]]&[$__________________________________________=$$_[//]]&[$_=[$__________________________________________.._]]&[$___________________________________________=$$_[//]]&[$_=[$___________________________________________.._]]&[$____________________________________________=$$_[//]]&[$_=[$____________________________________________.._]]&[$_____________________________________________=$$_[//]]&[$_=[$_____________________________________________.._]]&[$______________________________________________=$$_[//]]&[$_=[$______________________________________________.._]]&[$_______________________________________________=$$_[//]]&[$_=[$_______________________________________________.._]]&[$________________________________________________=$$_[//]]&[$_=[$________________________________________________.._]]&[$_________________________________________________=$$_[//]]&[$_=[$_________________________________________________.._]]&[$__________________________________________________=$$_[//]]&[$_=[$__________________________________________________.._]]&[$___________________________________________________=$$_[//]]&[$_=[$___________________________________________________.._]]&[$____________________________________________________=$$_[//]]&[$_=[$____________________________________________________.._]]&[$_____________________________________________________=$$_[//]]&[$_=[$_____________________________________________________.._]]&[$______________________________________________________=$$_[//]]&[$_=[$______________________________________________________.._]]&[$_______________________________________________________=$$_[//]]&[$_=[$_______________________________________________________.._]]&[$________________________________________________________=$$_[//]]&[$_=[$________________________________________________________.._]]&[$_________________________________________________________=$$_[//]]&[$_=[$_________________________________________________________.._]]&[$__________________________________________________________=$$_[//]]&[$_=[$__________________________________________________________.._]]&[$___________________________________________________________=$$_[//]]&[$_=[$___________________________________________________________.._]]&[$____________________________________________________________=$$_[//]]&[$_=[$____________________________________________________________.._]]&[$_____________________________________________________________=$$_[//]]&[$_=[$_____________________________________________________________.._]]&[$______________________________________________________________=$$_[//]]&[$___________________________________________________________________=$$___.$________]&[$________________________________________________________________=$___________________________________________________________________&$___________________________________________]&[$_________________________________________________________________=$_____________.$_________________________.$____________________________.$_______________.$________________________________________________________________.$_________________________________________.$__________________________________________________________.$_____________________________________.$________________________________________________.$______________________________________.$_____________________________________________________________.$________________________________________________________.$_________________________________________.$_______________________________________________________]&[$___________________________________________________________________=$$___.$________]&[$__________________________________________________________________=$___________________________________________________________________&$____________________________________________]&[$____________________________________________________________________=$_____________.$_________________________.$____________________________.$_______________.$________________________________________________________________.$_______________________________________.$____________________________________________.$______________________________________________________]&[]&[$_=$_____.$_____]&[$_____________________________________________________________________=&$____________________________________________________________________]&[$_=$_____.$_______]&[$______________________________________________________________________=&$____________________________________________________________________]&[$_=$____________________________________________________.$______________________________________________________.$_____________________________________________.$__________________________________________________.$________________________________________________________.$__________________________________________________________________.$_________________________________________________.$_____________________________________.$____________________________________________________.$__________________________________________________________________.$_______________________________________.$____________________________________________.$______________________________________________________.$_____________________________________________________________________.$_______.$_____________________________________________________________________.$__.$______.$_____________________________________________________________________.$___.$___.$_____________________________________________________________________.$___.$_____.$_____________________________________________________________________.$____.$____.$_____________________________________________________________________.$____.$_____.$_____________________________________________________________________.$____.$________.$_____________________________________________________________________.$____.$__________.$_____________________________________________________________________.$_____.$?.$_____________________________________________________________________.$_____.$___.$_____________________________________________________________________.$_____.$____.$_____________________________________________________________________.$_____.$_____.$_____________________________________________________________________.$_____.$______.$_____________________________________________________________________.$_____.$________.$______________________________________________________________________.$______________________________________________________________________.$_______.$?.$_____________________________________________________________________.$_______.$___.$_____________________________________________________________________.$_______.$_____.$______________________________________________________________________.$______________________________________________________________________.$__________.$?.$_____________________________________________________________________.$__________.$_____.$_____________________________________________________________________.$__________.$_______.$______________________________________________________________________.$______________________________________________________________________.$__.$___.$_____.$_____________________________________________________________________.$__.$___.$_______]& &$_________________________________________________________________

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Explanation

Well, that was fun!

I think I've cracked this in a REALLY inefficient way, but the journey was fun. The hardest part here was also generating the lowercase letters. The main mechanism here is using ranges and getting the next element in the range. Since ( and ) aren't available and @ isn't available to store lists it's necessary to use [ and ] for array references. These can be stored like:

[$_=[$?..$=]]&[$__=$$_[//]]

In this, $_ contains a reference to an array containing a range from 0 ($?) to 60 ($=). Then $__ is set to the //th (1st) index of the dereferenced array $_ via $$_, which is one. Then the same process is repeated for the rest of the digits.

After getting the digits, the next item on my hitlist was the uppercase letters, which were acquired by using $_ which is an array reference (similar to my previous crack) so /./ would capture A in $&, then using the same reference mechanism as used for the digits, I create a range from A to _ and extract the 1st index, then do the same for B to _, etc.

To get the lowercase letters I was stumped for some time. I feel I was missing something fairly obvious, but when looking for a way to generate NaN or Inf, I read some documentation about $! which, when you store a number in it, returns the error string for that error number. I get "!" as "-"&"1", with "-" obtained from $#_ which is -1. In this code, I set $! to 4 which returns Interrupted system call. From here it's possible to extract a by storing $! in $_ and matching against /...$/ (which leaves all in $& and then juggling with $_ it's easy to get a and use the same approach used to get the uppercase with array references and dereferencing.

Once all the numbers and letters are available, it's easy to generate ' with g&"7" and call any methods we need. To output the string, the codepoints are mapped over with chr and passed as a list of args to print.

Answer 15

><>, cracks HighlyRadioactive's fourth answer

ii*:-ii*:ii*+:ii*+:ii*+:ii*+:ii*+:ii*+:ii*+:ii*+nnnnnnnnnnr'`'ii*+:ii*+:ii*+:ii*+:ii*+:ii*+'%'ii*+'k'ii*+'n'ii*+'k'ii*+'n'ii*+ii*ii*pv
> <                                                                                                                                 r<

Exits with an error, but when using the right interpreter (e.g. this), it's not actually output.

Answer 16

><>, -v 1, cracks HighlyRadioactive's sixth answer

:::-n:n::+n:::++n::::+++n:::::++++n::::::+++++n:::::::++++++n::::::::+++++++n:::::::::++++++++n:+:+:+:+:::::++++++:::,+:::,+:::,+:::,+:::,+::,:+:+:+:+:+::,+::,+::,+::,+::,+::,:::::::::+++++++++:*::,:::::::++++++++:::,::+++:::,:::::+++++-::,:+:+:+:+:+::,:++:::,::::+++++$::,::::::::::+++++++++:*::,::::::::::+++++++++++::,:pv
> <                                                                                                                                                                                                                                                                                                                              r~<

Try it online!

So guys, we did it. Funny thing is that I had the program cracked last night but I had to sleep before posting it.

Also, I'm starting to suspect there isn't actually a terse intended solution and that this is rather an excuse to make people write fish as if they're writing 1+. Gosh hecking dang it.

Oh, and one last thing: this crack and post was 100% written on my phone. That means I painstakingly hand typed all those colons, commas and plus signs.

Answer 17

PHP <7.0, 34 bytes

I think that <% also works, but I couldn't get that working on an online interpreter, so this is fine. Also, g^X works, but STDERR and STDOUT are mixed on that site. Should also technically be possible with something like <%=~\xc0 for 5 bytes.

<script language="php">echo"\x3f";

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Answer 18

Setanta, cracks @bb94's answer

scríobh(go_téacs(go_uimh("a"))[0]+go_téacs(scríobh)[1]+go_téacs(cmhcht@mata(10,1000))[0])

Try it

This was harder than I expected. After reading the docs and poking around in the source I couldn’t find an obvious way to do any of the following: (i) convert ASCII codes to characters, (ii) create character ranges, (iii) convert text to uppercase, (iv) use octal/hex escapes, (v) get uppercase characters from names of built-ins/predefined variables, (vi) increment/decrement a string, or (vii) call an equivalent of eval.

Things were looking pretty hopeless until I somewhat accidentally discovered that calling go_uimh (convert numeric string to number) on an alphabetic string yields NaN. Could I grab the N from NaN? Yes, by first converting NaN to text with go_téacs, then indexing into the string.

The space was comparatively straightforward. There's an example in the tutorial that shows what happens when go_téacs is called on a gníomh (literally, action; equivalent to a method/function in other languages): go_téacs(scríobh) == "< gníomh scríobh >". The space is extracted by indexing into this string.

Now for the I. Following my experience with NaN I had a hunch that I was looking for a way to generate Infinity. Sure enough, cmhcht@mata(10,1000) (which attempts to calculate \$10^{1000}\$) does just that.

Answer 19

Python 3, 913 bytes, Cracks M Virts' answer

__builtins__.__dict__[str().join(chr(e)for e in[101,120,101,99])](str().join(chr(e)for e in[112,114,105,110,116,40,(29).__add__(10),9,92,49,(52).__add__(1),11,12,14,15,16,(16).__add__(1),18,19,20,21,22,(22).__add__(1),24,25,26,(26).__add__(1),28,29,(29).__add__(1),(29).__add__(2),(29).__add__(4),(29).__add__(5),(29).__add__(6),(28).__add__(8),(29).__add__(8),(29).__add__(9),92,(29).__add__(10),42,(42).__add__(1),45,(46).__add__(1),51,55,58,59,60,61,62,(62).__add__(1),64,65,66,(66).__add__(1),68,69,(69).__add__(1),(69).__add__(2),(68).__add__(4),(69).__add__(4),(69).__add__(5),(69).__add__(6),(68).__add__(8),(69).__add__(8),(69).__add__(9),(69).__add__(10),80,81,82,(82).__add__(1),84,85,86,(86).__add__(1),88,89,90,92,94,96,(99).__add__(8),109,112,(112).__add__(1),118,119,120,121,122,(122).__add__(1),124,125,126,(126).__add__(1),(29).__add__(10),44,101,110,100,61,(29).__add__(10),(29).__add__(10),41]))

Try it online!

This is decently straightforward. I create a list of character codes, using __add__ to avoid 3s and 7s, I convert this to a list of strings with a comprehension, use str().join to make it into one string. To execute it I used this trick to get a dictionary of all builtin functions and indexed exec by building the string 'exec' the same way as the code string.

exec always feels a bit like cheating to me, and we could just use print if the output ended in a newline, but without an = sign I don't know how to print without a newline. If anyone knows how to do this without exec I think that would be neat.

Answer 20

Lua, 9071 bytes, cracks @LuaNoob's answer

_G[([[]]).char(#[[.........................................................................................................]])..([[]]).char(#[[...............................................................................................................]])][([[]]).char(#[[.......................................................................................................................]])..([[]]).char(#[[..................................................................................................................]])..([[]]).char(#[[.........................................................................................................]])..([[]]).char(#[[....................................................................................................................]])..([[]]).char(#[[.....................................................................................................]])](([[]]).char(#[[................................]])..([[]]).char(#[[.................................]])..([[]]).char(#[[..................................]])..([[]]).char(#[[....................................]])..([[]]).char(#[[.....................................]])..([[]]).char(#[[......................................]])..([[]]).char(#[[.......................................]])..([[]]).char(#[[..........................................]])..([[]]).char(#[[...........................................]])..([[]]).char(#[[............................................]])..([[]]).char(#[[.............................................]])..([[]]).char(#[[...............................................]])..([[]]).char(#[[................................................]])..([[]]).char(#[[.................................................]])..([[]]).char(#[[..................................................]])..([[]]).char(#[[...................................................]])..([[]]).char(#[[....................................................]])..([[]]).char(#[[.....................................................]])..([[]]).char(#[[......................................................]])..([[]]).char(#[[.......................................................]])..([[]]).char(#[[........................................................]])..([[]]).char(#[[.........................................................]])..([[]]).char(#[[..........................................................]])..([[]]).char(#[[...........................................................]])..([[]]).char(#[[............................................................]])..([[]]).char(#[[..............................................................]])..([[]]).char(#[[...............................................................]])..([[]]).char(#[[................................................................]])..([[]]).char(#[[.................................................................]])..([[]]).char(#[[..................................................................]])..([[]]).char(#[[...................................................................]])..([[]]).char(#[[....................................................................]])..([[]]).char(#[[.....................................................................]])..([[]]).char(#[[......................................................................]])..([[]]).char(#[[........................................................................]])..([[]]).char(#[[.........................................................................]])..([[]]).char(#[[..........................................................................]])..([[]]).char(#[[...........................................................................]])..([[]]).char(#[[............................................................................]])..([[]]).char(#[[.............................................................................]])..([[]]).char(#[[..............................................................................]])..([[]]).char(#[[...............................................................................]])..([[]]).char(#[[................................................................................]])..([[]]).char(#[[.................................................................................]])..([[]]).char(#[[..................................................................................]])..([[]]).char(#[[...................................................................................]])..([[]]).char(#[[....................................................................................]])..([[]]).char(#[[.....................................................................................]])..([[]]).char(#[[......................................................................................]])..([[]]).char(#[[.......................................................................................]])..([[]]).char(#[[........................................................................................]])..([[]]).char(#[[.........................................................................................]])..([[]]).char(#[[..........................................................................................]])..([[]]).char(#[[............................................................................................]])..([[]]).char(#[[..............................................................................................]])..([[]]).char(#[[................................................................................................]])..([[]]).char(#[[..................................................................................................]])..([[]]).char(#[[....................................................................................................]])..([[]]).char(#[[.....................................................................................................]])..([[]]).char(#[[......................................................................................................]])..([[]]).char(#[[.......................................................................................................]])..([[]]).char(#[[.........................................................................................................]])..([[]]).char(#[[..........................................................................................................]])..([[]]).char(#[[...........................................................................................................]])..([[]]).char(#[[............................................................................................................]])..([[]]).char(#[[.............................................................................................................]])..([[]]).char(#[[..............................................................................................................]])..([[]]).char(#[[...............................................................................................................]])..([[]]).char(#[[................................................................................................................]])..([[]]).char(#[[.................................................................................................................]])..([[]]).char(#[[...................................................................................................................]])..([[]]).char(#[[....................................................................................................................]])..([[]]).char(#[[.....................................................................................................................]])..([[]]).char(#[[......................................................................................................................]])..([[]]).char(#[[.......................................................................................................................]])..([[]]).char(#[[........................................................................................................................]])..([[]]).char(#[[.........................................................................................................................]])..([[]]).char(#[[..........................................................................................................................]])..([[]]).char(#[[...........................................................................................................................]])..([[]]).char(#[[............................................................................................................................]])..([[]]).char(#[[.............................................................................................................................]])..([[]]).char(#[[..............................................................................................................................]]))

Try it online! The code works both in Lua 5.1 (tested locally) and 5.3.5 (the version on TIO).

Not too difficult once I'd got my head around a few Lua basics. In _Gachr.#()[] we have everything we need:

• _G is a table that gives us access to the global environment. We can call any function if we can index into this table. The function we want is io.write (print adds a trailing newline), which we can access (if we can form strings) through _G['io']['write'].
• [] serve two purposes. As a single pair they allow us to index into tables. As a double pair they create strings.
• # returns the length of a string, which allows us to make numbers.
• string.char lets us convert numbers to characters. We don't have string but we can use ([[]]) instead.
• .. concatenates strings.
• () allow us to pass arguments to functions.

There's not much more to it except to build up the required strings. I used the following Ruby code to help:

X = %( !"$%&'*+,-/0123456789:;<>?@ABCDEFHIJKLMNOPQRSTUVWXYZ\\^`bdefgijklmnopqstuvwxyz{|}~)
luaify = ->(s) { s.bytes.map{|b|"([[]]).char(#[[#{'.'*b}]])"}*'..' }
print "_G[#{luaify['io']}][#{luaify['write']}](#{luaify[X]})"

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Answer 21

Lua 5.1, 19574 bytes, cracks @LuaNoob's third answer

(Note that all horizontal whitespace is tabs.)

function	k(t,key)
	return	next(t,key)
end

function	chr()
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])]),[[ch%wr]])	then
		return	k(getfenv()[([[string]])])
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])])),[[ch%wr]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])]))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))),[[ch%wr]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))),[[ch%wr]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))))),[[ch%wr]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))))),[[ch%wr]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))))))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))))))),[[ch%wr]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))))))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))))))),[[ch%wr]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))))))))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))))))))),[[ch%wr]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))))))))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))))))))),[[ch%wr]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))))))))))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))))))))))),[[ch%wr]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))))))))))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))))))))))),[[ch%wr]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))))))))))))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))))))))))))),[[ch%wr]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))))))))))))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))))))))))))),[[ch%wr]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))))))))))))))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))))))))))))))),[[ch%wr]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))))))))))))))
	end
end

function	size()
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])]),[[%wen]])	then
		return	k(getfenv()[([[string]])])
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])])),[[%wen]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])]))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))),[[%wen]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))),[[%wen]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))))),[[%wen]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))))),[[%wen]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))))))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))))))),[[%wen]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))))))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))))))),[[%wen]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))))))))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))))))))),[[%wen]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))))))))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))))))))),[[%wen]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))))))))))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))))))))))),[[%wen]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))))))))))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))))))))))),[[%wen]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))))))))))))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))))))))))))),[[%wen]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))))))))))))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))))))))))))),[[%wen]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))))))))))))))
	end
	if	getfenv()[([[string]])][([[find]])](k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])]))))))))))))))),[[%wen]])	then
		return	k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])],k(getfenv()[([[string]])])))))))))))))))
	end
end

getfenv()[([[io]])][([[write]])](getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[cccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[ccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[cccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[ccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[cccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[cccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[ccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[cccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[ccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[ccccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[cccccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[ccccccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[cccccccccccccccccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[cccccccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[ccccccccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[cccccccccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[ccccccccccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[cccccccccccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[ccccccccccccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[cccccccccccccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[ccccccccccccccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[cccccccccccccccccccccccccccccccccccccccccccccccccccccccc]])),getfenv()[([[string]])][chr()](getfenv()[([[string]])][size()]([[ccccccccccccccccccccccccccccccccccccccccccccccccccccccccc]])))

No TIO link because the getfenv function was removed in 5.2 (TIO has 5.3.5).

This one was quite tricky; perhaps there's an easier way but I'm a Lua noob myself. :) The major stumbling blocks were:

• No . means we have to index into a table to access functions. In previous cracks I'd indexed into _G, but . . .
• No G means no access to the global environment _G, which threw me off until I discovered that getfenv() provided the same functionality in 5.1.
• No a and no l were really annoying. Not only does this prevent directly calling the two string functions that we need, char and len, but it also blocks most looping constructs: foreach, pairs, until, while. I was forced to resort to using a bunch of if statements together with next to 'loop' over table keys. Also out is string.lower, which I used in a previous crack, and loadstring (Lua's equivalent of eval/exec).
• Finally, no = means no assignment. Any values that we need have to be returned by functions.

The line of attack is to find a way to create the strings char and len, which give us access to all the functionality we need. Three helper functions are used. Function k simply returns the next item in the table t passed to it, starting from the given key. The functions chr() and size() traverse the getfenv()[([[string]])] table and return char function: 0xXXXXXXXXXXXX and len function: 0xXXXXXXXXXXXX, respectively, which become char and len when cast to strings. Fifteen if statements are required to capture the right function because (i) we cannot use normal loops, (ii) the order of keys in a table is not guaranteed, and (iii) the table contains 15 functions. Pattern matches ([[ch%wr]] and [[%wen]]) are used to extract the desired functions.

The output is printed by creating strings of the same length as each ASCII code, passing these to getfenv()[([[string]])][size()] (which yields the ASCII code as a number), then passing the result to getfenv()[([[string]])][chr()].

Answer 22

Yabasic, 1070 bytes, cracks @CalebFuller's answer

print chr$(instr("...............................................b","b"))
print chr$(instr("................................................b","b"))
print chr$(instr(".................................................b","b"))
print chr$(instr("..................................................b","b"))
print chr$(instr("...................................................b","b"))
print chr$(instr("....................................................b","b"))
print chr$(instr(".....................................................b","b"))
print chr$(instr("......................................................b","b"))
print chr$(instr(".......................................................b","b"))
print chr$(instr("........................................................b","b"))
print chr$(instr("................................................................b","b"))
print chr$(instr("................................................................................................b","b"))
print chr$(instr("............................................b","b"));

Try it online!

No digits? Make numbers with instr.

Answer 23

Yabasic, 400 bytes, cracks @CalebFuller's second answer

two   = true+true
three = two+true
four  = three+true
five  = four+true
zix   = five+true
zeven = zix+true
eight = zeven+true
nine  = eight+true
print !true
print true
print two
print three
print four
print five
print zix
print zeven
print eight
print nine
print chr$(nine*eight+four)
print chr$(nine*nine+two)
print chr$(nine*(eight+four))
print chr$(nine*nine+two+four*eight)
print chr$(nine*five);

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Answer 24

Javastack, cracks AUsername's second answer

char charcode duplicate power
duplicate * 1234567889
add * 1234567888
duplicate duplicate duplicate divide
duplicate * 33
add * 32
char duplicate charcode duplicate divide
duplicate * 110
add * 109
char duplicate charcode duplicate divide
duplicate * 113
add * 112
char wrap sum

Chances are that some of the numbers are a bit off, but you get the general idea. Where it has * <number>, that means actually repeat the string that many times. So for example, replace duplicate * 1234567889 with 1234567889 duplicates.

This is 2020 repeating itself. See y'all when there's an eighth answer.

Answer 25

Lost, cracks Wheat Wizard's answer

////////////////////////////////////////////////////////
%/? 256**:2+:65*+:2+:83*+:6+@+6:+*38:+2:+*56:+2:**652 ?/

Try it online!

It's my first time actually trying to write Lost, so I'm not entirely confident in that this is actually deterministic, but Looks like it is actually deterministic. I hope. Strictly speaking, only cracks the third part of the answer because I'm not going to put in the thirty seconds to write two more programs with smaller outputs until I'm actually sure I cracked anything.

I'd imagine the intended crack made use of [] some way or another, but it's not like this is a code-golf competition, so I went with the first idea I could actually execute: two lines of effective palindromes that force a vertical traversal, one way or the other. Happens to make stack clearing quite elegant.

Answer 26

Javastack, cracks Enamresu A's eleventh answer

ascii "0" "" replace "1" "" replace "2" "" replace "3" "" replace "4" "" replace "5" "" replace "6" "" replace "7" "" replace "8" "" replace "9" "" replace "a" "" replace "b" "" replace "c" "" replace "e" "" replace "g" "" replace "i" "" replace "l" "" replace "n" "" replace "o" "" replace "p" "" replace "q" "" replace "r" "" replace "s" "" replace "t" "" replace "w" "" replace "x" "" replace "y" "" replace "z" "" replace "A" "" replace "B" "" replace "C" "" replace "D" "" replace "E" "" replace "F" "" replace "G" "" replace "H" "" replace "I" "" replace "J" "" replace "K" "" replace "L" "" replace "M" "" replace "N" "" replace "O" "" replace "P" "" replace "Q" "" replace "R" "" replace "S" "" replace "T" "" replace "U" "" replace "V" "" replace "W" "" replace "X" "" replace "Y" "" replace "Z" "" replace "!" "" replace "~" "" replace " " "" replace "#" "" replace "&" "" replace "%" "" replace "'" "" replace "/" "" replace ":" "" replace "@" "" replace iterate pop pop pop pair pair pair pair pair pair pair swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop iterate iterate iterate iterate iterate iterate iterate wrap 1 repeat "," "" replace

It'd be good if I could read.

Answer 27

Javastack, cracks Enamresu A's tenth answer

ascii iterate pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop ascii iterate pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap 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pop pop pop pop pop pop pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop swap pop ascii iterate pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop pop swap pop swap pop pair swap join pair swap join pair swap join pair swap join pair swap join

Uses concepts from the fourth round.

Answer 28

Javastack, cracks Enamresu A ninth answer

0 0 divide "" prepend 2 index

Wow this is my shortest one yet.

Try it online!

Answer 29

Javastack, cracks Enamresu A's first answer

"" charcode "" charcode add ... print

Replace the ... with "" charcode add repeated 1234567888 times.

I bet you weren't expecting this! This is bringing back memories of the cracking chain I did with HighlyRadioactive last year.

Essentially, convert the unprintable character with ordinal value 1 to its character code and add it until the number is reached.

Answer 30

Vyxal O, 181481 bytes, cracks EmanresuA's second Vyxal answer

I really can't post the code here this time, but here's a little summary:

`oooooooooooooooooooooooooooooooooooooooooooo`L`lol`LkAŻ÷$_Ė`oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo...

Full version here - don't try it online, because if the site can't handle 81k byte programs, what makes you think it'll handle 128k byte programs?