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12
votes
2answers
628 views

Compact a Befunge program

Befunge is a 2-dimensional esoteric programming language. The basic idea is that (one-character) commands are placed on a 2-dimensional grid. Control flow walks across the grid, executing commands it ...
5
votes
1answer
367 views

How to encode shortest brainf_ck strings

This is an interesting one. I have written a short program in objective-c to encode a string into a brainf_ck string, this is what it looks like: NSString *input; // set this to your input string ...
2
votes
2answers
359 views

Turn 2D boolean array into (rectilinear) polygons

Challenge Write a program which, given a 2-dimensional boolean array (equivalently, a monochromatic bitmap), outputs a series of polygons that describe the outline of the region that is “true” (1). ...
6
votes
9answers
576 views

Make a number palindrome

Write a function that takes a number as an argument and makes it a palindrome by appending minimum number of digits. The number will be at max of 100 digits. Sample Inputs 12 232 2323 1012121 Sample ...