From Wikipedia: PESEL is the national identification number used in Poland since 1979. It always has 11 digits, identifies just one person and cannot be changed to another one. It has ...
Write the shortest program that generates a histogram (a graphical representation of the distribution of data). Rules: Must generate a histogram based on the character length of the words ...
For this challenge, you must accept input as a comma-separated list (columns) of a run (rows) of the first letters of any of the colors red, orange, yellow, green, blue, or purple, and output (to ...
You must take input in the form of title|line1|line2|(...)|line[n] And output an information card. It's hard to explain how to make the card, so here's a quick example: Input ...
Challenge Generate a 7 by 7 grid, filled with random numbers. However, every other row and column, you must use the sum of the surrounding cells. Here's a small example with a 3 by 3 grid: 2 2 2 2 ...
In this challenge, you must take two numbers (separated by a space) as input and output a right triangle. The first number will be the width of the triangle you should output. The second number will ...
The challenge is simple: generate a word. Specifications: Word must be pronouncable. This is defined as "alternating between a consonant and a vowel." A consonant is one of the following letters: ...
The goal is to write a program that encodes an other program (input) with the fewest character possible. Scoring The score is equal to the different number of characters needed for the output. ...
In this task you have to write a program that reads a regular expression and generates another program that outputs whether an input string is accepted by that regular expression. The output must be a ...
Generate an ASCII wilderness map. Example output: ................^^^^ ..................^^ ...^^^^........o.... .....^^^^........... .................... ........o....TT..... ..TTTT.............. ...
An IDE developer has hired you to write a program that generates (by printing to stdout) n lines of randomly generated code. They will use your program to create sample code for use in marketing their ...
The aim of this challenge is to create the shortest code (in characters) that successfully do the following: Specifications: Must create a 5x5x5 labyrinth with exactly 1 possible solution (no more, ...
We all heard of testing compilers using randomly generated inputs. Your task is to write a program to generate a valid program (including no undefined behavior) in your favorite language. The ...
This problem is quite easy to do by brute force. In fact, it'll be reasonably fast to brute force as well. But where's the fun in that? The Problem Produce a list of all unique 5 digit number ...
Is there a way of writing a password generator in only one line? The password should consist of 8 random chars out of a-z, A-Z and 0-9. Example: This is one attempt I made in PHP! echo ...