Questions tagged [popularity-contest]
A popularity-contest is a competition where the answer with the highest vote tally (upvotes minus downvotes) wins. As these are frequently closed, read the tag info and post your challenge to the sandbox first.
408 questions
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Creating the mythical XAND Gate
a XAND b
a AND b, but not at the same time.
I've always found the idea of an XAND gate amusing.
Many would claim such a gate can not exist, but I suspect they're just not trying hard enough.
...
- 3,853
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Abuse some parsers your way to a Polyglot [closed]
Many polyglots fill in the blanks between languages by either making code that is ignored in one language or loading code dynamically.
This time, let's write a polyglot that works without that. This ...
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33
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Rig The Lottery, but Don't Get Caught
Edit: Please note there is currently a vote to close this coding challenge due to a complaint that it may be technically violating a decade old rule for this site. There is currently a discussion in ...
- 3,853
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Mexican Hat Challenge, #メキシカンハットチャレンジ
The hashtag #メキシカンハットチャレンジ* appeared on my X/twitter feed today. Japanese hackers have been drawing the "Mexican Hat Potential" 3D curve on all sorts of ...
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The many ways to skin a `cat` [duplicate]
The well known cat command simply copies its stdin directly to stdout unchanged. But there are plenty of other commandline tools that exist...
What other commands ...
- 143
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1
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Write a typeracer [duplicate]
Description
a typeracer is an apps where user could type and evaluate their typing speed and accuracy.
Criteria
User could type "A quick brown fox jumps over the lazy dog."
A visual ...
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19
votes
3
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977
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Universal Unicode Clock
Plot contrivance
You wake up to find that something has gone horribly wrong! Your time machine has malfunctioned and you are lost sometime between June 2022 and October 1991.
You check the computer ...
- 103k
19
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52
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Can you give me half? (No digits) [closed]
The task is to provide code that evaluates to 0.5 numerically, i.e. the output must be recognized by your chosen language as a numeric value (Number, float, double, etc), not as a string. The catch, ...
- 7,619
9
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(Σ*)² ⟲ Σ* (aka Round-Trip a String Pair) [closed]
This is a challenge I thought of recently which I think is not hard but allows for a wide range of possible solutions. Seems like a perfect fit for the creativity of PPCG users :)
Your Task
Define two ...
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votes
5
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Print your username by ONLY using the characters in your username [closed]
You have to print out your username, by only using the characters in your username.
Standard loopholes are forbidden
This is not code-golf, so shortest does not win
Don't modify your username please
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- 12.5k
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Output a unique sign sequence
A sign sequence is an infinite sequence consisting entirely of \$1\$ and \$-1\$. These can be constructed a number of ways, for example:
Alternating signs: \$1, -1, 1, -1, ...\$
\$-1\$ for primes, \$...
- 50.9k
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Look for n-plicates [closed]
If you are given an array of numbers between 1 and 100 and an integer n, you must remove any instances of an item that appear greater than ...
- 611
35
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4
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Make The Finest Magic Code Square
In math a magic square is an N×N grid of numbers from 1 to N2 such that every row, column, and diagonal sums to the same total. For example here's a 3×3 magic square:
In this challenge we'...
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Heart-shaped quine [closed]
As you may or may not know, Valentine's day is getting close. So today, my task for you is:
Write a heart-shaped quine
Rules:
Code should look like an identifyable heart shape, i.e. Has two round ...
- 447
3
votes
6
answers
493
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Nested lists as printable 2D objects [closed]
I don't know if something like this exists already (and I'm not finding the right key words) but if not, it felt like it could be an interesting coding puzzle.
The challenge is, to take an ...
- 141