Part of Code Golf Advent Calendar 2022 event. See the linked meta post for details. It's time to prepare an advent calendar, but I've only got a large sheet of rectangular paper, randomly colored red and green like this: GRRRGRRGRG GGRGGGRRGR GRRGRGRGRG GGRRGRGRGG GRGGRGRGGG RRGRGRGRRG RRRGRGRGG...

Where are zeros? Self-describing sequence code-golf base-conversion sequence Background A167519: Lexicographically earliest increasing sequence which lists the positions of the zero digits in the sequence. 3, 10, 11, 12, 11000, 11111, 11112, 11113, 11114, 11115, 11116, 11117, 11118, 11119, 1112...

Denoise a image code-golf There are various de-noising algorithms available. This question focuses on a specific one that preserves sharp edges but is also very simple to implement. Take 2 parameters, r and k, and a grayscale image. For every pixel, draw a r by r square around it and select all p...

Use of ChatGPT generated text for posts on Stack Overflow is temporarily banned. This is a temporary policy intended to slow down the influx of answers created with ChatGPT. What the final policy will be regarding the use of this and other similar tools is something that will need to be discussed...

Output a googol code-golfnumberkolmogorov-complexity Your challenge today is to output this exact number: 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 We call this a googol. A googol is 1 followed by a 100 zeroes, or basically just \$10^{1...

https://6793fdf6.widgets.sphere-engine.com/lp?hash=qEiqlbuLlB TREK You went on a trek with HEC(Himalayan Explorers' Club). The trek was to a very beautiful place known as Valley of Flowers'. For each step you took on the trek, you noted it down as U for Upward and D as Downward. ( Assume, these a...

Find the representative submatrix code-golf matrix Note: This is a more limited version of a challenge from 2014 that only received one answer. That challenge required participants write two programs; this challenge is essentially one half of that. The text here is original, but credit for the i...

Clutch Wordle Solver with known inputs Sometimes when you're playing Wordle, you get to your fifth guess and you can't figure out the word any more, so you start mentally running through the list of remaining iterations, both sensical and nonsensical trying to figure out what those last few lette...

In 2019, Hannah Alpert described a novel way of representing integers as sums and differences of Fibonacci numbers according to the following rules: every two terms of the same sign differ in index by at least 4, and every two terms with different signs differ in index by at least 3. Example ...