How Many Colours?
Take grid of ASCII art rectangles as input and output the minimum number of colours you would need to colour it in so that no two rectangles of the same colour are touching.
Rules
Input can be any type of grid format (multine string, array of strings, etc...).
Rectangles onl...
Chameleon challenges
Chameleon challenges look like they're about one thing but are really about another. In doing the challenge, most of the effort is spent on something peripheral. Fix this by being honest about your challenge in the title and description, or by simplifying or removing the non...
Fuzzy Octo Guacamole, 22 bytes
^!_2rm{':('0}i{':)'1}_
Gets input, finds length%2, prints :) vs :( for on a remainder of 1 or 0.
Automatic house building nanobots have been fabricated, and it's your job to code them.
Here is the house created by input 7 4 2
/-----/
/ /|
|-----| |
| | |
| | /
|_____|/
The input is a string containing the house's dimensions.
7 is the width.
|_____|
---7---
4 is the he...
How can I determine the general term of a Fibonacci Sequence? Is it possible for any one to calculate F2013 and large numbers like this?
Is there a general formula for the nth term of the Fibonacci Sequence?
If there is a combinatorial formula, that is more preferable; some formula like
Fn = xC...
This is a function which has support in IE6+, it does't use outerHTML for even more support, it adds the doctype and uses a few tricks to get the html tag and its attributes. In order to receive a string with the doctype, and doesn't use outerHTML so it supports every browser. It uses a few trick...
Introduction
Let's observe the following array:
[1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1]
A group consists of the same digits next to each other. In the above array, there are 5 different groups:
[1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1]
1, 1, 1
2, 2
1, 1...
