# Tag Info

### Sandbox for Proposed Challenges

Interleavable programs (WIP) code-challenge source-layout Your task in this challenge is to create programs that can be interleaved. Submissions will be in the form of collections of programs. The ...
• 7,385

### Sandbox for Proposed Challenges

Erverse Hte Ifrst Wto Eltters fo Aech Owrd code-golf Inspired by this accidental misspelling If you could read the title, then you already know what the challenge is about. If not, then I'll tell ...
• 2,867
1 vote

### Sandbox for Proposed Challenges

Is this a squashed series? code-golf string parsing number decision-problem Given a string of digits, determine whether it is the concatenation of at least two ascending consecutive integers. (in ...
• 20.8k

### Sandbox for Proposed Challenges

I X the source code, you Y the output! code-golf source-layout code-generation There's a zillion challenges of the form "I [do a thing to] the source code, you [do a thing to] the output!", ...
• 17.3k

### Sandbox for Proposed Challenges

Decipher a squashed series code-golf string parsing number Given a string containing a sequence of ascending consecutive positive integers, but with no separators (such as ...
• 20.8k

### Sandbox for Proposed Challenges

Change the Temperature of Swatchlings Warning: Contains Deltarune Chapter 2 Spoilers Summary Your challenge today is to determine the minimum number of turns needed to change the temperatures of an ...
• 21.8k

### Sandbox for Proposed Challenges

Word stays a word after taking away a letter This is a repost of this challenge Challenge There is an old, popular riddle: Find an English word with 8 letters that, taken away one letter, creates a ...
• 4,243
1 vote

### Sandbox for Proposed Challenges

Pairs at every distance Given a list x of 2 or more integers, output whether there exists a pair of equal integers in x ...
• 1,648
1 vote

### Sandbox for Proposed Challenges

Bloons TD 6 Upgrade Paths code-golf number kolmogorov-complexity The monkeys need help organizing their defense and have asked you, Benjamin the code monkey, to create a program that will list all ...
• 10.9k

### Sandbox for Proposed Challenges

Photosynthesis king-of-the-hill python Flavor text You, a algae spore, have recently evolved the ability to walk. However, 3 others have just done the same thing. Can you use this new ability to your ...
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### Sandbox for Proposed Challenges

code-golfmatharithmeticnumber Implement Binary Exponentiation Background In programming, there is a recursive algorithm called binary exponentiation, which allows for large integer powers to be ...
• 4,439

### Sandbox for Proposed Challenges

ro1000an nu1000era50 en100o501ng
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### Sandbox for Proposed Challenges

Is it shuffled FizzBuzz? A twin of this. FizzBuzz is where a range of positive integers is taken, and numbers divisible by 3 are replaced with "Fizz", divisible by 5 with "Buzz" ...
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Fix my FizzBuzz
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• 2,953

### Sandbox for Proposed Challenges

Which R version is it? It's Peanuts! code-golfrstring This challenge will be based on an R language trivia: every release is named and it's a reference to Peanuts comic strips (see here and here). ...
• 11.5k

### Sandbox for Proposed Challenges

Parse this handy graph format code-golf parsing graph-theory There's a great number of ways to represent directed graphs like the following: Most representations are tailored towards being easy to ...
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• 15.6k

### Sandbox for Proposed Challenges

Extract the word containing this index
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### Sandbox for Proposed Challenges

Flood fill by distance
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### Sandbox for Proposed Challenges

backwardS_hybriD-snakE_kebaB-cameL_case
• 30.3k
1 vote

### Sandbox for Proposed Challenges

Is this a strange pond?
• 87.6k

### Sandbox for Proposed Challenges

Draw the Progress Pride flag code-golfgraphical-outputkolmogorov-complexity Challenge Create the image of a progress pride flag. Output Dimensions Rules Your program must (obviously) create the ...
• 229

### Sandbox for Proposed Challenges

Iterative Smallest Complement
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### Sandbox for Proposed Challenges

Enumerate the Microwave Timer
• 21.8k
1 vote

### Sandbox for Proposed Challenges

Goroawase Numeric Substitution code-golf number Goroawase numeric substitution is a common form of Japanese wordplay where homophonous words are associated with a given series of numbers to associate ...
• 1,851
1 vote

### Sandbox for Proposed Challenges

pattern-matching grid code-golf turn-my-swag-on Is This Loss? Given two shapes A and B in ASCII-art, determine if ...
• 1,648

### Sandbox for Proposed Challenges

The Unaverageables
• 1,648

### Sandbox for Proposed Challenges

Create Bernard from Desmos
• 4,439

### Sandbox for Proposed Challenges

How far from binary?
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### Sandbox for Proposed Challenges

Seeing the queen's lasers In chess, the queen piece can see arbitrarily far in each cardinal and intercardinal direction. What does this mean? Well, I'll show you with an ASCII drawing: ...
• 1,648

### Sandbox for Proposed Challenges

Extend a matrix in all directions
• 30.3k

### Sandbox for Proposed Challenges

Interpret BigTalk Talk is a language which takes a single bit of input and has four commands: 00 If the accumulator is 0, set the accumulator to 0. ...
• 30.3k

### Sandbox for Proposed Challenges

The prime frog 🐸 -- Integrated. From the original question, we make the following changes: The "prime frog" is a strange animal that jumps between integers*, until it arrives on 3 or 19... ...
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### Sandbox for Proposed Challenges

Don't like the middles There will be no winner on these question. Just for the fun of the challenge. Your job will be to output every sequence of each 10 numbers, alternating between the evens and ...
• 3,308
1 vote

### Sandbox for Proposed Challenges

Push some numbers Given a list of integers, apply the following rules to each element: If n is even, move it to the back. If n is odd, move it to the front. Zero is considered even. You may assume ...
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Find the walls!
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### Sandbox for Proposed Challenges

Is it a valid list?
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### Sandbox for Proposed Challenges

Enumerate all pure sets
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1 vote

### Sandbox for Proposed Challenges

Truncate words in a sentence
• 30.3k
1 vote

### Sandbox for Proposed Challenges

Flatten from the inside out Say we have a ragged list [ [1, 2], [3, [4, 5] ], ] And we want to flatten it by a layer, decreasing its depth by 1. We ...
• 30.3k

### Sandbox for Proposed Challenges

Compute the cophenetic correlation coefficient Meta question at the end. Background The cophenetic correlation coefficient is used in bioinformatic to measure how close the distances of a tree are to ...

### Sandbox for Proposed Challenges

Universal Unicode Clock
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### Sandbox for Proposed Challenges

Give f and g that sometimes commute
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### Sandbox for Proposed Challenges

Is it a heapable sequence?
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### Sandbox for Proposed Challenges

Iteratively delete a list
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1 vote

### Sandbox for Proposed Challenges

Gray coded gray code convertor code-golf restricted-source
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1 vote

### Sandbox for Proposed Challenges

Am I winning at O-Tris? O-Tris is a very, very, very simplified version of Tetris, which is defined as follows: There is a grid of cells that is 6 cells wide and 7 cells tall, known as the Playfield. ...
• 1,648