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Imposes a restriction on the source code used to solve the challenge, for example, having no numbers in the source code.

4 votes

I don't even... I only odd!

CJam, 6 bytes q_iY%% 113 95 105 89 37 37 This program takes the mod 2 of the input (call it r) and prints every r th character in the input string. If the input number is odd, it prints the whole …
geokavel's user avatar
  • 6,676
1 vote

Restricted mini challenges Cop's Thread

CJam, A000142, 8 bytes, Cracked Byteset: {}*+)%1\
geokavel's user avatar
  • 6,676
20 votes
10 answers
9k views

Print the QWERTY keyboard using keys that are as close together as possible

Normally, challenges are scored in bytes, or sometimes Levenshtein distance, but for this one we're using keyboard distance -- the number of keys between the keys used to type the program (use the a …
geokavel's user avatar
  • 6,676
2 votes

Maximizing output from minimal input

Processing, 39 bytes Deterministic 1 byte: print(X); Outputs 0. 9 bytes: print(PI); Outputs 3.1415927 29 bytes: print(P3D); Outputs processing.opengl.PGraphics3D Non-deterministic, >= 129 bytes >= …
geokavel's user avatar
  • 6,676
1 vote

Maximizing output from minimal input

Javascript, 72 bytes This works in the Mozilla JSShell Javascript command line interpreter. 1 byte: 1 Outputs 1 35 bytes: gc Outputs function gc() { [native code] } 36 bytes: run Outputs …
geokavel's user avatar
  • 6,676
2 votes

Maximizing output from minimal input

Bash, 1726 bytes (I fixed it now. Please consider upvoting.) 1 byte: " Outputs: > 307 bytes: id Outputs: uid=501(geokavel) gid=20(staff) groups=20(staff),701(com.apple.sharepoint.group.1),12( …
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