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### Challenge (Solve subset sum quickly if P = NP) incorrectly closed as duplicate [duplicate]

My challenge Solve Subset-Sum in polynomial time (...if P = NP) was closed as a duplicate of Golf the Subset-Sum Problem. But the restricted-complexity aspect of my challenge makes it very different. ...
149 views

### Making king-of-the-hill out of old question [duplicate]

In case you're wondering what a king of the hill question is: https://codegolf.stackexchange.com/tags/king-of-the-hill/info The question: If you see an old interesting question, that you think would ...
93 views

### Can I repost a challenge with different rules? [duplicate]

Recently, I posted a code-golf question about number sequences. However, as I was looking through the question later, I thought to myself, "Wouldn't this be good as a fastest-algorithm question?" It's ...
118 views

### What IS a duplicate? [duplicate]

I've seen many challenges get marked as duplicates on this stack. Most I see as fair, some, not so much. What qualifies as a duplicate question? Consider challenges where: Entries from ...
106 views

### What counts as a duplicate on CodeGolf.SE? [duplicate]

Unlike on other Stack Exchange sites, the execution of an idea really makes a difference on this site. My question is, if an idea for a challenge has been used before, does that make any other ...
44 views

### Duplicates with different tag [duplicate]

There's been a couple of instances recently of people taking a question that's just been asked and answered and re-asking the question with a different winning criterion. Can we (or should we) close ...
38 views

### Is it OK to ask a fastest-code version of a code-golf question? [duplicate]

I often would like to ask mathematical coding questions in pairs. The first is a code-golf question. That is what is the shortest code that computes a given function? The other is at the other extreme ...
23 views

### Can I post a challenge that is the same as an existing challenge but with different criteria? [duplicate]

Let's say I find an awesome challenge here, but I can make a different challenge out of it by changing the criteria significantly. Is it poor form to post a new challenge with a completely different ...
312 views

### How could the default close reasons be improved?

One of the more popular suggestions from We're not a Q&A site. But what should be done about it? was to improve the wording of the close reasons or maybe change some of them altogether. We've ...
443 views

### Is fibtraction a dupe?

Recently this question caused a bit of a stir. The admitted goal of the challenge was to replace our old fibonacci question which the op felt was outdated. The question was closed twice by high rep ...
562 views

### Closing old question as duplicate of a new one

What is our policy regarding closing an old challenge as a duplicate of a new one? I know this happens on other sites (at least SO), if the newer question is generally better or usually if it gathers ...
294 views

### Is a popularity contest a duplicate of a code golf (and vice versa)?

I've noticed this happening a few times: A challenge that is very similar to an existing code golf challenge is posted as a popularity contest, or the other way around. There seems to be very little ...
599 views

### Should “Code the Huffman!” remain closed as a duplicate of a very old question?

Tl;dr: I think my question on Huffman coding was wrongly closed as duplicate and should be re-opened. Early this week, I had the idea of posting a challenge based on Huffman coding. I found a very ...
272 views

### We decided to post a new factorial challenge. Should we close the old one as dupe?

The existing factorial challenge has some restrictions on the domain, performance, and banning built-ins. I opened a meta question about it a week ago, and as per the meta consensus, we decided to ...
162 views

### Am I allowed to post a second, better edition of a challenge?

I recently made my first PPCG challenge, Sign that word!. Now that various improvements have been suggested by more experienced users of PPCG, I would like to post a second, improved version of the ...
161 views

### My question (calculate all the squares up to x using only addition and subtraction) has being closed as a duplicate

I'm quite new to Programming Puzzles & Code Golf, and my question Calculate all the squares up to x using only addition and subtraction has been closed as a duplicate, who say it's a duplicate of ...
204 views

### Is “Polyglot the OEIS!” a dupe of “The versatile integer printer”?

The recent question, Polyglot the OEIS!, has been VTCed as a duplicate of The versatile integer printer, however the community has not reached consensus on whether it is a dupe. Currently, it has ...
326 views

### Closing a more general challenge as a duplicate

Recently there has been a bit of debate as to whether this question is a duplicate of this question. So I though I would bring it to meta where we can have a constructive conversation, not only about ...
225 views

### What should we do with challenges with unfortunate win conditions?

This has now happened three times in recent history: Two-zero-one-five puzzle Stringing a Pearl Necklace How do I get more Klotski in my life? All questions have technically correct and unambiguous ...
127 views

### Duplicateness of Combination Challenges

A combination challenge takes multiple other challenges and combines them. For example, this challenge combines the challenges of finding the Greatest Common Divisor (GCD) and Prime Factorization. ...
188 views

### Challenge closed as duplicate that's clearly different

I posted Draw the Olympic Games logo, which is clearly a code-golf question requiring users to post a solution that outputs ascii-art. chubakueno posted Olympic Games Logo - Free Style Edition, which ...
81 views

### Is this coin flipping challenge really a duplicate?

The challenge in question. I have discussed this in the comments of the challenge and in the chat room for that challenge where I was told that TNB was the place to discuss it. I brought it up in TNB ...