12:35 AM
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I just starting a coding class. The first question they asked was "Your code should expect one input. All you need to do is add 12 to it and output the result." How would I write this code? I know it may be simple but I have never written any code before.

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I recently encounter a programming problem as following: Define a function that take in one integer argument (calling it n, n will be larger or equal to 3), then print out a whirl that made of n line, directed toward the center in counter clock-wise manner. Each line is drawn by drawing '#'s h...

12:46 AM
2

code-golfnumber To exponential digit growth and beyond! Challenge Given a base \\$1 < b < 10\\$ and an index \\$t \ge 1\\$, output term \\$x_t\\$, defined as follows: \\$x_1 = 11_{10}\\$ \\$x_{i+1}\\$ is obtained by converting \\$x_i\\$ to base \\$b\\$ and then reinterpreting its digits in base \\$10\\$ Out...

Should I post this now?

3 hours later…
4:14 AM
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Knights and Knaves and Codes (WIP) king-of-the-hill In this challenge, your bot has landed on an island with the stereotypical knights and knaves. Knights always tell the truth, and knaves always lie. The objective is to find the correct 32 digit hexadecimal string before anyone else, while try...

4 hours later…
8:25 AM
@primo Just saw that brainfuck is on codegolf.io . Just checking, are all your solutions hard-coded?

4 hours later…
12:17 PM
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Given a string, you've to split it into groups of three characters (by padding _ at the end). Related, but still it's different. Sample I/O: 'abcde' -> ['abc', 'de_'] '1234' -> ['123', '4__'] '' -> [] 'Three spree!' -> ['Thr', 'ee ', 'spr', 'ee!'] Note: Output is restricted to ...

1:07 PM
@JoKing most, not all

7 hours later…
7:43 PM
-1

We recently started a data science community within our company. To get everyone warmed up, we want to set out some sort of programming / data science coding challenge. This can for example be a titanic-like challenge or a noise-signal classification problem. We would like this to be not too diff...

8:41 PM
1

Your task is to generate a graph with 54 vertices, each corresponds to a facet on a Rubik's cube. There is an edge between two vertices iff the corresponding facets share a side. Rules You may choose to output an adjacency list, adjacency matrix, edge list, or any reasonable format to represen...

2 hours later…
10:42 PM
weird VSL golfing tip: `(UInt8[]::s)[0]` to get the charcode of the 4th character of a string

10:54 PM
remove `U` to save 1 byte potentially

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In this challenge, your bot has landed on an island with the stereotypical knights and knaves. Knights always tell the truth, and knaves always lie. The objective is to find the correct 32 digit hexadecimal string before anyone else, by asking knights and knaves and trying to trick other bots int...

2

code-golfnumber To exponential digit growth and beyond! Challenge Given a base \\$1 < b < 10\\$ and an index \\$t \ge 1\\$, output term \\$x_t\\$, defined as follows: \\$x_1 = 11_{10}\\$ \\$x_{i+1}\\$ is obtained by converting \\$x_i\\$ to base \\$b\\$ and then reinterpreting its digits in base \\$10\\$ Out...

Repost

11:17 PM
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Challenge Given a base \\$1 < b < 10\\$ and an index \\$t \ge 1\\$, output term \\$x_t\\$, defined as follows: \\$x_1 = 11_{10}\\$ \\$x_{i+1}\\$ is obtained by converting \\$x_i\\$ to base \\$b\\$ and then reinterpreting its digits in base \\$10\\$ Output should be in base \\$10\\$ A walk through for base 5, ...

11:50 PM
Should chatrooms for KoTHs be created along with the challenge, or as soon as it becomes popular?
Assuming it becomes popular...
Fingers crossed