Linked Questions

460
votes
810answers
147k views

“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 ...
525
votes
235answers
119k views

Showcase of Languages

Notes This thread is open and unlocked only because the community decided to make an exception. Please do not use this question as evidence that you can ask similar questions here. Please do not ...
86
votes
60answers
21k views

Shut down the computer!

Challenge: In the programming language of your choice, shut down the machine that your code was executed on. Rules No shutting down by resource exhaustion (e.g.: forkbomb to force shutdown) You are ...
78
votes
65answers
18k views

Sing Baby Shark

"Baby Shark" is a children's song about a family of sharks. Having long been popular as a campfire song, it has been popularized since the mid-2000s by social media, online video and radio. - ...
94
votes
34answers
7k views

Would this string work as string?

Write a program that takes a single line string that you can assume will only contain the characters /\_‾. (That's forward and backward slash, underline and ...
67
votes
28answers
5k views

Is the checkbox not not unchecked?

Doing code review, I stumbled upon the following code, that tests the status of a checkbox: if (!isNotUnchecked()) { ... } I had to brainstorm for 30 minutes to ...
28
votes
69answers
4k views

Is it an Odd Word?

Challenge Given a single word as input, determine if the word is odd or even. Odd and Even words Assume the general rules: ...
32
votes
49answers
5k views

Write a program to elasticize strings

Nice verb there, in the title. Write a program that given an input string, will "elasticize" this string and output the result. Elasticizing a string is done as follows: The first character is shown ...
42
votes
41answers
3k views

A Programming Puzzle of Mode Golf

Your task is to print the text Good morning, Green orb!, with every character repeated in place as many times as the most frequent byte in your source (the mode). ...
25
votes
35answers
3k views

Convert a string of digits from words to an integer

Convert a string containing digits as words into an integer, ignoring leading zeros. Examples "four two" -> 42. ...
32
votes
23answers
4k views

Cat, Quine, Hello World

Write a cat program, a quine, and a Hello World in the same language such that when two specific programs of the three are concatenated in a certain order, you get the third program. It does not ...
32
votes
20answers
2k views

Figure and Ground

Source: Wikipedia For this challenge, you should write two programs which resemble the figure and ground of the above image, such that one of them prints figure ...
29
votes
14answers
3k views

Put together a Senate majority

There are one hundred members of the United States Senate. Assuming that nobody filibusters and that the Vice President isn't cooperating, at least fifty-one members are necessary to pass a bill. But ...
31
votes
9answers
7k views

Build a twisted “Hello world!”

Your job is quite simple, write a program that prints Hello, world!, that when twisted creates a program that prints Twister!. ...
31
votes
15answers
5k views

Let's play Mölkky!

Mölkky Mölkky is a Finnish throwing game. The players use a wooden pin (also called "mölkky") to try to knock over wooden pins of almost similar dimensions with the throwing pin, marked with ...

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