Questions tagged [generation]
a challenge to build objects (e.g. code, representation of real world objects) according to pre-defined rules and/or input (also often randomised).
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questions
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Typo resistant pin codes [closed]
Background
I was working on a system where for convenience (not security) people could use four digit codes to identify themselves. I figured this is something that may actually be useful in many real ...
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11
votes
3
answers
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Help me count the Omer
During the 49 days between Passover and Pentecost, Jewish liturgy provides four numerical problems that I've here phrased as code golf problems.
Input/Arguments
These four, in any order, and by any ...
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votes
10
answers
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Help Stack Exchange transpose tables
Stack Exchange doesn't know how to transpose tables. Let's help.
Given a markdown table, transpose it.
Input assumptions:
There will be at least two rows (including header) and two columns
Either all ...
- 29.2k
18
votes
20
answers
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Generate Gmail Dot-Aliases
Background
You may be aware that periods in between letters in gmail addresses are ignored. Email sent to example@gmail.com, exam.ple@gmail.com, and e.x.a.m.p.l.e@gmail.com all end up in the same ...
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votes
7
answers
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Borderless table
In this challenge you are going to place letters from the alphabet in a Cartesian plane and output the result as a text.
Your input will consist in a list of list with 3 parameters:
X coordinate
Y ...
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votes
5
answers
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views
Generate the k-ary necklaces of length n
The set of necklaces is the set of strings, where two strings are considered to be the same necklace if you can rotate one into the other. Your program will take nonnegative integers ...
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votes
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answer
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views
Stereographic projection of polyhedra
You will create a program that generates the stereographic projection of polyhedra.
In particular, to keep things simple, we'll only focus on n-chamfered dodecahedron.
Given a natural number ...
- 7,129
7
votes
3
answers
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views
Generate random LTL Formulae [closed]
An LTL Formula l is defined by the following grammar (where <x> describes the non-terminal symbol x):
...
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16
votes
4
answers
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Lorem Ipsum Generator [closed]
Lorem Ipsum is placeholder text used when preparing layout without wanted to have content already filled.
One of its key features over using some arbitrary text is that it is nonsense.
It isn't even ...
- 1,131
16
votes
11
answers
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Generate a US License Plate
Given one of the following as input:
AK,AR,AS,AZ,CA,CT,DC,FL,GA,IL,IN,IA,KS,KY,LA,MD,MI,MN,MS,NV,NH,NJ,NM,NY,NC,ND,MP,OH,OK,OR,PA,PR,RI,SC,TN,TX,UT,VT,VA,WA,WI
(...
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votes
19
answers
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views
N-dimensional identity "matrix"
Given a positive integer n, output the N-dimensional identity "matrix", which is the N^N ...
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21
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35
answers
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All the k-mers/n-grams
Intro
We have had histograms and counting, but not listing all of them.
Every year, Dyalog Ltd. holds a student competition. The challenge there is to write good APL code. This is a language agnostic ...
- 29.2k
13
votes
19
answers
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views
Simple CSV/DSV importer
Slightly more than an inverse of this.
In: Multi-line DSV data and a single delimiter character. The DSV may be taken as a file, a filename, line-break separated string, list of strings, etc. ...
- 29.2k
66
votes
58
answers
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views
N-dimensional N^N array filled with N
In: Enough memory and a positive integer N
Out: N-dimensional N^N array filled with N, where N^N means N terms of N-by-N-by-N-by...
Examples:
1: [1] ...
- 29.2k
16
votes
2
answers
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views
Ways of specifying random generation in challenges
Note: As per consensus on Meta, challenge-writing questions are on topic here.
In light of this "thing to avoid when writing challenges", I started to think about challenges involving random ...
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votes
21
answers
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Generate a 6 character string from a 15 character alphabet
In one of our projects at work, we recently discovered a particularly large method for generating a 6 character string from a 15 character alphabet. A few of us claimed "I bet we can get that in one ...
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4
votes
6
answers
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views
Convert header levels to numbers
Introduction
Nodes in tree structures (e.g. headings in a long document, law paragraphs, etc.) are often created by assigning a specific header level (h1, h2, etc.) to each item, but outputted with ...
- 29.2k
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votes
5
answers
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Sample win/loss data generator based on certain criteria
Lets say we have this existing data:
Total - 10
Won - 7
Lost - 3
Longest Winning Streak - 5
Longest Losing Streak - 2
Now you need to write a function which ...
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25
votes
8
answers
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views
Fill the rows, columns, and diagonals of an NxN grid with 1 through N
Task
Given input N, generate and output an NxN grid where each row, column and the two diagonals contain the numbers 1 to N (or 0 to ...
- 443
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votes
81
answers
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No strings (or numbers) attached
If you like this, consider participating in:
The Official Dyalog APL 2016 Year Game
The monthly Dyalog APL 2017 Code Golf Challenge
Make 12 snippets/expressions, in the same language, that result in ...
- 29.2k
13
votes
3
answers
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views
Generate a Monotonic Function
Overview
In this challenge, your task is to randomly generate a monotonic mathematical function between two sets.
Input
Your inputs are two positive integers s ...
- 42.3k
14
votes
6
answers
1k
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Generate a Rectangle from a Specification
Introduction
This challenge is inspired by Grime, my 2D pattern matching language.
Basically, you are given a "grammar" that describes two-dimensional grids of characters, and your job is to generate ...
- 42.3k
21
votes
8
answers
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Rubik's Cube Scrambles
Your task is to create a random sequence of moves, which can be used to scramble a Rubik's Cube. Such a scramble is made up of exactly 25 moves. Each move consist of of the letters ...
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votes
1
answer
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String generator based on a wildcard [duplicate]
Your task, if you accept it, is to make a string generator that generates strings based on a wildcard.
You can make a function or a full program that receives 1 argument and sends to the standard ...
- 7,775
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votes
1
answer
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views
Generate Loopy puzzles
Loopy is a puzzle game from the collection of Simon Tatham. The previous link contains a javascript implementation of a Loopy puzzle generator. I suggest everybody who wants to attempt this challenge ...
- 10k
17
votes
24
answers
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Generate me some appropriate license plates!
The scenario: You are a software designer working for a gov't-run company that designs license plates for cars and other vehicles. You've been asked to develop software that generates license plates. ...
8
votes
10
answers
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Generate four type-4 GUIDs for me
The type 4 GUID is described by Wikipedia, quoth:
Version 4 UUIDs use a scheme relying only on random numbers. This algorithm sets the version number (4 bits) as well as two reserved bits. All ...
- 2,055
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votes
2
answers
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Mastermind strategy
I could only find code-golf challenges for Mastermind, so here's a code-challenge version that I would have liked to take on myself.
An optimal strategy for the normal Mastermind game, MM(4,6), was ...
- 406
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votes
3
answers
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Create a Question Asker! [closed]
Writing questions for programming puzzles is tiring and takes many minutes to do. This is where you come in. Your job is to write a program that randomly generates plausible-sounding (but not ...
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votes
33
answers
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Avoid the evil integers! [closed]
You are developing some code to generate ID numbers. Policy requires that no ID numbers include the digit sequence 666.
Create a function (or your language's equivalent) which takes a positive ...
- 2,055
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votes
6
answers
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Generate random PESEL number
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 ...
- 161
20
votes
56
answers
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Random ticket code generator
A lottery company wants to generate a random lottery ticket number of length 10 characters.
Write a code in any language to create such a number in which every digit comes only once for example ...
- 379
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votes
20
answers
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Histogram generation
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 (...
- 1,100
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votes
12
answers
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views
Make a colorful table
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, ...
- 71.1k
8
votes
9
answers
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views
Generate information cards with titles
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 ...
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votes
20
answers
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Generate a grid of sums
Generate a 7 by 7 grid, filled with random numbers. However, in cells with an odd row and column number (starting at 0), you must use the sum of the surrounding cells. Here's a small example with a 3 ...
- 71.1k
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votes
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answers
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Generate a right triangle
In this challenge, you must take two numbers (separated by a space) as input and output an ASCII right triangle, made up of xs.
The first number will be the width ...
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votes
33
answers
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Generate a pronounceable word
The challenge is simple:
generate a word.
Specifications:
Word must be pronounceable.
This is defined as "alternating between a consonant and a vowel."
A consonant is one of the following letters: ...
- 71.1k
19
votes
2
answers
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Compile Regexes
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 ...
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votes
6
answers
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6
votes
1
answer
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Lorem Ipsum Random Code Generation [closed]
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 ...
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votes
3
answers
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Create a multi-level 5x5x5 Labyrinth with only one solution
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 ...
- 3,626
21
votes
15
answers
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Generate a random program in your favorite language [closed]
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 ...
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7
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Find all number pairs that sum to 121212 [closed]
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 ...
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