Linked Questions

130
votes
279answers
34k views

Fibonacci function or sequence

The Fibonacci sequence is a sequence of numbers, where every number in the sequence is the sum of the two numbers preceding it. The first two numbers in the sequence are both 1. Here are the first ...
29
votes
5answers
2k views

Stack the rocks

This is a rock: * Rocks can be stacked. Apart from the bottom-most layer, each rock must rest on two other rocks, like this: ...
54
votes
8answers
10k views

Golf a number bigger than TREE(3)

The function TREE(k) gives the length of the longest sequence of trees T1, T2, ... where each vertex is labelled with one of k colours, the tree Ti has at most i vertices, and no tree is a minor of ...
8
votes
5answers
438 views

Tips for golfing in Elixir

Elixir is a relatively new functional language, which I've taken a deep interest in. I'd like to get general tips about golfing in Elixir and learn techniques that can be applied to code-golf problems ...
43
votes
39answers
4k views

Extendify the ASCII Sun

Write a program that takes in (via STDIN/command line) a non-negative integer N. When N is 0, your program should print O (that's capital Oh, not zero). When N is 1,...
168
votes
70answers
24k views

How high can you count?

Challenge: Your task is to write as many programs / functions / snippets as you can, where each one outputs / prints / returns an integer. The first program must output the integer ...
114
votes
95answers
17k views

Loading... Forever

Your challenge is to make an infinite loading screen, that looks like this: Or, to be more specific: Take no input. Output Loading..., with a trailing space, but ...
166
votes
163answers
55k views

Don't google "google"

We all know that if you google the word "google" it will break the internet. Your task is to create a function that accepts one string and returns its length, in the fewest possible Unicode ...
39
votes
72answers
4k views

Print random integers until 0

You are to write a program which generates random integers between \$0\$ and \$99\$ inclusive, outputting each integer in turn, until \$0\$ is generated. You may choose which single-order random ...
72
votes
44answers
8k views

Happy Birthday V!

Thanks to @KritixiLithos for helping me out with this challenge! V is a programming language that I wrote so that I could use and extend vim for code-golf challenges. The very first commit was on ...
35
votes
46answers
5k views

Generate Monday Numbers

Monday numbers, as defined by Gamow in this question over on Puzzling, are positive integers N with the following three properties: The decimal representation of N does not contain the digit 0 The ...
6
votes
72answers
9k views

Shortest code to print ':)' random times [duplicate]

You have to create a code which prints :) a random number of times from 1 to 255 inclusive. Your output may not contain any whitespace. Your score : The ...
25
votes
51answers
5k views

Write a "Hello" interpreter

Background Hello is a language "written" by Anne Veling, which errors if the program does not contain only h, and will print ...
16
votes
47answers
4k views

ASCII Meme Arrow Generator

Specifications Given a number n, output an ASCII "meme arrow" (greater-than symbol, >) of size ...
95
votes
40answers
10k views

Tips for golfing in <all languages>

The aim of this post is to gather all the golfing tips that can be easily applied to <all languages> rather than a specific one. Only post answers that its ...

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