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Efficient Typing on a Gameboy
Many old Gameboy games often required string input from the user. However, there was no keyboard. This was handled by presenting the user with a "keyboard screen" like so:
Using the D-Pad's four directions, UP, DOWN, LEFT and RIGHT, the user navigates to each des...
Input
A dictionary with string keys and string values.
Output
The 'defaultdict' of this dictionary.
How to make a defaultdict
A defaultdict is a dictionary with string keys and string array values. The keys are the values from the original dictionary, and the values are the keys from the o...
Programming 101 Programming
Here are a number of introductory programming challenges. The names are for reference only.
Fizz Buzz
Start with the number 1, and count to 100. For each number, if it is
divisible by 3, print "Fizz". If it is divisible by 5, print "Buzz".
If it is divisible by b...
Your task is simple. Write a program (or function) whose output returns no search results on google.
Rules for annoying people:
It must take no input.
It must not cause an error.
It must terminate.
It must produce the same output every time.
This is judged by the search results at the time t...
Consider the following two challenges:
This Sandboxed challenge gives an unfair advantage to users who have been around longer and contributed more towards collaborative golfing efforts.
The original version of this challenge gave an unfair advantage to users with short usernames (and changing ...
A stochastic matrix is a matrix of probabilities used in the context of Markov chains.
A right stochastic matrix is a matrix where each row sums to 1.
A left stochastic matrix is a matrix where each column sums to 1.
A doubly stochastic matrix is a matrix where each row and each column sums to...
