Linked Questions
77 questions linked to/from Tips for code-golfing in C#
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"Hello, World!"
So... uh... this is a bit embarrassing. But we don't have a plain "Hello, World!" challenge yet (despite having 35 variants tagged with hello-world, and counting). While this is not the most ...
151
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354
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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 ...
71
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243
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Add two numbers
Input: Two integers. Preferably decimal integers, but other forms of numbers can be used. These can be given to the code in standard input, as arguments to the program or function, or as a list.
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72
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Print all integers
Write a program or function which will provably print all integers exactly once given infinite time and memory.
Possible outputs could be:
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115
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90
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Draw the national flag of Iceland
This year's UEFA Euro 2016 is over and besides a couple of negative headlines there has been a very positive surprise as well – the Iceland national football team. Let's draw their national flag.
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105
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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 ...
49
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151
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Full Width Text
Full width text is text that has a space after every character, including the last one. For instance, the first sentence of this question becomes:
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64
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91
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Implement Minceraft
Introduction
The game Minecraft has a 1 in 10000 chance of showing "Minceraft" instead of "Minecraft" on the title screen.
Your challenge
Your challenge is to code a function or ...
48
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106
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Print all alphanumeric characters plus underscore
Write a program or function that prints or returns a string of the alphanumeric characters plus underscore, in any order. To be precise, the following characters need to be output, and no more:
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52
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The shortest way to find one unique value when all other values are the same
In this question at Code Review they tried to find the fastest way to return the unique element in an array where all the elements are the same except one. But what is the shortest code that ...
42
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123
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Alphabet Staircase
The Challenge
Your task is to create a program or function that outputs the following with no input:
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49
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90
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Type uniqchars!
Given a string consisting of printable ASCII chars, produce an output consisting of its unique chars in the original order. In other words, the output is the same as the input except that a char is ...
46
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Print a bunch of uninteresting numbers!
An uninteresting number (which I totally didn't make up only for this challenge) is created like this:
Take a positive integer N
Create a new number O by adding the digits of N at the end of N
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51
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Do n and n^3 have the same set of digits?
Given a number n (0 <= n <= 2642245), check if n and n3 have the same set of digits, and output a truthy or falsey value accordingly.
For example, let's check the number 100.
1003 is 1000000.
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52
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57
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Yes, of course I'm an adult!
I think we've all done this as a kid: some websites require a minimum age of 18, so we just subtract a few years from the year of birth and voilà, we 'are' 18+.
In addition, for most rides at ...