Sometimes it is useful to run a math problem with multiple inputs. The goal of this challenge is to make a program that eases this task.
Number-generating expressions
You must support 3 types of expression:
Single number generator: Very simple, just a literal number
Multi-number generator: A ...
There's a really important problem in cellular automata called the Majority problem:
The majority problem, or density classification task is the problem of finding one-dimensional cellular automaton rules that accurately perform majority voting.
...
Given a configuration of a two-...
Which challenges are on topic here?
First and foremost, the same rules apply to all challenges, whether they are popularity contests or not. These rules are outlined in our help center. They were phrased differently in the past, but their essence was the same ever since the help center was creat...
Make a search engine!
code-golf
Background
You are now the first employee of DuckDuckGoogle, a company founded by a Google employee and a DuckDuckGo employee! They have a new vision for search engine! But obviously, they need to make a search engine first! However, they are bad programmers (n...
"Just steal whatever's best and evolve it", 59.2%
This answer encodes/decodes solutions by enumerating all states as ternary numbers (least-significant digit first). The solution for 59.2%:
000000000010010010000000000000000000000000000000000000000000010000010000110000000
00000000001001001000000...
The following VBA code contains an error. Upon print, the VBA code is supposed to loop through each sheet and echo out TRUE if a sheet is modified and FALSE if it is not modified.
'Sheet1... 100
Dim IsUpDated As Boolean
Private Sub Worksheet_Change(ByVal Target As Range)
IsUpDated = True
End ...
Using non-programming languages
That is, to use something that was not considered a programming language in our criteria. I don't think this was really forbidden before. So here is something everybody can vote.
If this is forbidden, you cannot use languages such as HQ9+ in any challenges.
If n...
Your task is to create a program that read the date in form
yyyy-mm-dd
The date is always AC and there is no year zero. That date uses Gregorian Calendar If there is less than four digit, the input will pad it with zero on the left.
Your program then output what day in a week is that.
Standa...
Create a converter that will convert between main Stack Exchange sites and meta sites. However, meta Stack Overflow was split with one site being meta Stack Exchange when the uniform meta for every website appeared. So, Stack Overflow matches meta Stack Exchange.
However, there's a twist... No a...
