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Convert base-10 to base-0.1. Test cases: 12.34 <=> 432.1 12 <=> 2.1 3.0 <=> 3.00 Hint: Actually 0 can behave same as other digits, as long as you ...
l4m2's user avatar
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0 votes

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Ultra-modular representative of rational numbers Objective Given a rational number, output the representative in the corresponding coset in the additive (abelian) quotient group \$\mathbb{Q} / \mathbb{...
Dannyu NDos's user avatar
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8 votes

How to define a question that will attract "useful" answers?

This may not be something that is necessarily suitable for this site. Not all of our challenges are code golf, as implied by the coding challenges part of our site name, but they are nonetheless all ...
hyper-neutrino's user avatar
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0 votes

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Is this a slovable Numberlink? Challenge Per Wikipedia: Numberlink is a type of logic puzzle involving finding paths to connect numbers in a grid. The player has to pair up all the matching numbers ...
badatgolf's user avatar
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0 votes

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Win in a ball removing game This challenge is interactive. You need to win in a ball removing game. Rule The rule of the game is like this. You have N balls in a ...
None1's user avatar
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0 votes

Sandbox for Proposed Challenges

Create a random Triling Over in the Puzzling SE, user23087 came up with an interesting new puzzle type. (https://puzzling.stackexchange.com/questions/126659/try-triling-triangular-tiling). Given two ...
Dewi Morgan's user avatar
0 votes

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Given a function f: N->N and non-negative integer n, output integer k s.t. f(f(...f(n)..)) (repeat k times) = 0, or some non-natural number if no k exist. You can assume f is bounded, i.e. there's ...
l4m2's user avatar
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0 votes

Sandbox for Proposed Challenges

Convert CSV tables to Wikitext Input a CSV table, like this: data00,data01,data02,...,data0m data10,data11,data12,...,data1m ... datan0,datan1,datan2,...,datanm ...
None1's user avatar
  • 801
1 vote

Sandbox for Proposed Challenges

Anti Tic-Tac-Toe The rule of Anti Tic-Tac-Toe is like Tic-Tac-Toe. The rules are: There is a 3*3 grid, the squares in the grid are labeled 1 to 9: 123 456 789 <...
None1's user avatar
  • 801
2 votes

Sandbox for Proposed Challenges

Simulate Text Cursor You are given a string [A-Za-z|]+ that contains exactly one occurrence of | denoting the current position ...
z..'s user avatar
  • 533
1 vote

Sandbox for Proposed Challenges

Interpret Gray Snail code-golf interpreter Gray Snail is a small Turing-complete string-based language that I've had fun using lately. Let's write an interpreter for it! Note: there are several ...
DLosc's user avatar
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1 vote

Sandbox for Proposed Challenges

3-Dimensional Minesweeper I've been on a minesweeper kick for a while, but all the questions are for 2 dimensions (or that one in 1D). But 2D is 2 easy! Challenge Write the shortest code possible to ...
pacman256's user avatar
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12 votes
Accepted

(permanently) Make Chat Great Again!

I support closing The Sand Trap To clarify, this is not my opinion as a mod, rather that of a regular user of CGCC. This should not be surprising; I was against the creation of TST. But, this ...
caird coinheringaahin g's user avatar
0 votes

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Decode Caesar cipher based on a given text I can't think of a better name. This is similar to this challenge, but a lot easier. Read three strings which contain only uppercase letters. The length of ...
None1's user avatar
  • 801
1 vote

Sandbox for Proposed Challenges

Numbers with variable repeating digits The number \${4...4}1\$ can be written as the expression \$\frac{4 \times 10^{a+1} - 13}{9}\$, where the variable \$a\$ represents the number of \$4\$s. Given ...
math scat's user avatar
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2 votes

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Interpret PlusOrMinus PlusOrMinus is an esoteric programming language invented by Esolang user PythonshellDebugwindow. Language specification There is a wrapping byte accumulator (incrementing ...
None1's user avatar
  • 801
2 votes

Sandbox for Proposed Challenges

Cold Bee and Old Beer Tags: code-golfstring Posted (Not deleted yet, since I might make the suggested part 2 challenge eventually.)
Kevin Cruijssen's user avatar

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