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73 votes

What did we forget?

zsh, 603 594 566 561 548 440 415 399 378 370 bytes ...
Doorknob's user avatar
  • 71.5k
43 votes

Radiation Hardened Quine

Befunge-98, 884, n = 14, score ≈ 2.636 ...
Martin Ender's user avatar
36 votes

Error 404: Character Not Found

JavaScript, 228 bytes ...
jrich's user avatar
  • 4,146
32 votes
Accepted

A quantum quine

Backhand, Score 0, 137 bytes ...
Jo King's user avatar
  • 47.2k
29 votes

Make a Geiger Counter

Lost, 303 293 263 253 238 228 bytes ...
Jo King's user avatar
  • 47.2k
26 votes

Error 404: Character Not Found

Pyth - 16 bytes The basic idea behind this is that when you take a digit off of 404, it only makes the number smaller, so we just have to get the maximum of two <...
Maltysen's user avatar
  • 25.7k
25 votes

Error 404: Character Not Found

Befunge-98, 37 bytes 20020xx##;;11++::''ee44**``kk@@::..;; Try it online! Explanation Making radiation-hardened code in Befunge-98 isn't too bad, because you ...
Martin Ender's user avatar
24 votes

Make a Geiger Counter

Hexagony, 38 bytes .....;p;<>b;e;/<b;e;;p...@@.......;@.. Try it online! Verification program. Explanation We make use of Hexagony's auto-detection ...
DELETE_ME's user avatar
  • 17.3k
24 votes

Make a Geiger Counter

Klein XXX, 144 136 128 122 114 bytes This answer completes JoKing's challenge to make a Geiger counter that works in every Klein topology. ...
Wheat Wizard's user avatar
  • 98.8k
24 votes

Pass on your radiation

Python 2, score:  56 50  48 bytes - 6 = 42 This is more an attempt to allow to remove more than 1 or 2 characters than to achieve the lowest possible score. Given the scoring scheme, allowing one more ...
Arnauld's user avatar
  • 193k
22 votes

What did we forget?

Retina, 1 byte 1 Try it online! When all instances of the single byte (1) are removed, the output is ...
Conor O'Brien's user avatar
21 votes

Make a Geiger Counter

Hexagony, 34 29 bytes //..>;e;<b@;p;/|/;e;;\.b@;p<@ Try it online! Verification! Explanation: Here is the normal code formatted into a proper hexagon ...
Jo King's user avatar
  • 47.2k
20 votes

Pass on your radiation

><>, 584 bytes, score 0 ...
Jo King's user avatar
  • 47.2k
18 votes
Accepted

Error 404: Character Not Found

05AB1E, 12 bytes Code: XX440044ÔÔŸŸ Normal code explanation: ...
Adnan's user avatar
  • 44.4k
18 votes

Rearrangeable Code Bowling

Lenguage, 1,112,064 points if UTF-8 My program consists of every possible UTF-8 character. It prints out "Hello world", and uses 1.75 * 1076 yottabytes of space. (To generate the program, ...
Nathan Merrill's user avatar
18 votes

Mutation-hardened quine

><>, 56 bytes ^ . + 8 f 0 o a o ~ : ? ~ : ? : - * 4 8 : ^ ^ } * 3 d ' Try it online! or verify all mutations. How the original program works (outdated) The ...
Dennis's user avatar
  • 210k
18 votes

I irradiate your source code, you irradiate your output

brainfuck, 2 bytes, score 0 .. Try it online! Outputs two null bytes. Removing either . leaves ...
m90's user avatar
  • 10.5k
17 votes

Write a near crystalline program

Ellipsis, score → 0 The program consists of \$144 \times 8^n + 23\$ ASCII periods . for \$n \geq 0\$, and gets a perfect score (i.e. every possible insertion causes ...
16 votes

Fault-Tolerant Hello World

Befunge-98, score 0, 45 bytes 20020xx""!!ddllrrooww ,,oolllleeHH""cckk,,@@ Try it online! Although an optimal solution has already been found (and there's no ...
Martin Ender's user avatar
16 votes

Error 404: Character Not Found

><>, 103 60 51 bytes vv ;?=*4o" e"n:ll<< ;?=*4o" e"n:ll<< Tested here. Uses the same tactic as this program....
mbomb007's user avatar
  • 23.4k
16 votes

Same code different characters

C, 231 Program A ...
Digital Trauma's user avatar
16 votes

Self Scoring Program

Backhand, 40 36 29 bytes vv""sseettyybb ""jjHHOO] Try it online! Verification! When in doubt, double up on everything. This uses Backhand's ...
Jo King's user avatar
  • 47.2k
15 votes

Radiation Detector!

05AB1E, 9 7 bytes (Score of 3) 22'''rr Try it online! Removing a ' With any ' removed, <...
Magic Octopus Urn's user avatar
15 votes

Make a Geiger Counter

Self-modifying Brainfuck, 73 63 bytes ...
Jo King's user avatar
  • 47.2k
14 votes

Rearrangeable Code Bowling

Many languages, 2 points 0. Produces 0.0 as 0. or .0. ...
14 votes

Write a radiation-hardened irradiator

05AB1E, 29 26 bytes æIg<ùˆ\æIg<ùˆ\æIg<ùˆ¯¯{Å`s Try it online!, or try all irradiated versions. The shortest irradiator I could find is 5 bytes: ...
Grimmy's user avatar
  • 15.7k
14 votes
Accepted

How short can you get?

8086 machine code (MS-DOS .COM), score 26 402 The file is 52 947 bytes long. The length was a product of what produced benign instruction sleds, and the maximum file size for .COM files (65 280 bytes ...
gastropner's user avatar
  • 4,373

Only top scored, non community-wiki answers of a minimum length are eligible