$'main' \/oi-@ @--e< #o[.]-@
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How Many Laps?
I was at my taekwondo training last night and the first thing we do when we start is a ~5 min jog around the gym to get warmed up. The problem is as follows. We run around the edge of the gym, everyone starting from wherever they like, and everyone jogs at a slightly different spe...
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DUP
It's simple: 2+2=5.
Try it here.
Hehe, good luck with this one.
Explanation
DUP treats most A-za-z as variables, albeit uninitialized. It pushes 2 uninitialized variables to the stack. 's pushes charcode of s to the stack. Whitespace is entirely ignored. simple pushes 6 more uninitializ...
Game Of Life
The Game of Life is a zero-player game, where cells evolve over time by following a simple set of rules determining whether any given cells will live or die.
I have found that generally speaking, the kind of people that know about and like The Game of Life are pretty nerdy. And thi...
Happy Prime numbers: A happy prime number is a number that is both a prime number and a happy number.
For example, the happy prime numbers below 500 are: 7, 13, 19, 23, 31, 79, 97, 103, 109, 139, 167, 193, 239, 263, 293, 313, 331, 367, 379, 383,
397, 409, 487
**The goal of this problem isn't j...
Calculate π(n)
π(n) is the number of primes less than or equal to n.
Input: a natural number, n.
Output: π(n).
Scoring: This is a fastest-code challenge. Score will be the sum of times for several TBD values of n.
Your code should work n up to 1 billion (?).
The broken minus parser code-golf parsing
Sam is trying to create a new programming language, but is having a lot of trouble getting the parser right. For example,
4--5
evaluates correctly to 4 - (-5) = 9, but
4-5
is giving a result of -20!
After doing some digging around, Sam realises th...
KOTH Jump 'n' Run king-of-the-hill
A Jump 'n' Run game where you have to run from the Start to the End. Here is an example map:
████████████████████████████████████
█ █
█ █
█ █
█S █ ...
I have made my own compression tool for a stack-based language that uses a dictionary compression method. The code for the decompression is the following:
elif current_command == "\u201d":
temp_string = ""
temp_string_2 = ""
temp_index = ""
temp_position = pointer_position
wh...
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Programming Puzzles & Code Golf will someday graduate out of public beta, and it will get a new site design. Stack Exchange employees generally do all the design work and make the design decisions, but that doesn't mean we can't nudge them in the right direction when the time comes.
This meta po...
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