Questions tagged [code-challenge]
A code challenge is a competition for creative ways to solve a programming puzzle with an objective winning criterion not covered by other scoring tags (e.g. code-golf).
912 questions
4 votes
1 answer
187 views
Through maze with a compressed guide
Given a wall maze of 50x50, exactly same generating algorithm, at different RNG, so every two positions are connected by exactly one path, etc. Write two functions: One takes the maze as input and ...
18 votes
3 answers
993 views
Cancel and minimize game
Here is a game: Start with the set {1,2,3,...,n} of natural numbers. At any turn of the game, you may pick two numbers from this set, a and b, then replace them with their product a*b. Since it is a ...
6 votes
2 answers
332 views
Unstablizable LaTeX
from Latexmk: If you use cross-references, you often have to run LaTeX more than once ... Sometimes cross-referenced locations change and you need to run LaTeX again to create the correct reference. ...
4 votes
8 answers
934 views
How many distinct characters can be used to implement Boolean Algebra in your programming language [closed]
I am interested in the following problem: What is the minimum number of distinct characters used in any programming language that can implement Boolean Algebra? In particular, what is the set that ...
3 votes
1 answer
303 views
Count number of families of sets satisfying a list of criteria
CHALLENGE This problem has a math background. For n=1,2,3,4 we want to count the number of families of sets with maximum n elements that satisfy many criteria of the form: $$\bigoplus_{k\in A,A\in \...
22 votes
2 answers
2k views
Fast leap year check
The task is to find parameters that make a fast leap year check correct for the widest range of years. We assume the Proleptic Gregorian calendar, which extends the Gregorian calendar backward from ...
3 votes
2 answers
553 views
Largest possible relative error
Output \$20\$ float64s with absolute value between 1 and 2 inclusive whose sum has the largest possible relative error. We can assume the true sum is not zero. The sum is to be computed from left to ...
-3 votes
5 answers
400 views
Create the characters you can write on a MacOS US English Keyboard (as another OS will read them)
Introduction This is a small challenge I came up with while trying to make some compact code for my younger brother to use. I don't think it's particularly interesting, but I believe it presents some ...