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Asked: April 12, 20252025-04-12T04:14:07+05:30 2025-04-12T04:14:07+05:30

Create a long-running Minsky machine solution with specific input requirements in a code golf challenge.

anonymous user

So, I was thinking about this intriguing idea of a Minsky machine for a code golf challenge, and I figured it could generate some interesting responses. If you haven’t come across a Minsky machine before, it’s this theoretical model of computation that operates with a finite set of rules and can manipulate a finite number of registers. The catch, though, is that it can halt or run indefinitely depending on how it’s set up.

Here’s my challenge: I want you to create a long-running Minsky machine solution that meets specific input requirements. Let’s say your machine should take two registers that start with the values of 8 and 3. The goal is to produce outputs based on these registers while ensuring the machine enters an infinite loop rather than halting.

To keep things spicy and competitive (because hey, we all love a bit of friendly rivalry), your code should be as short as possible—think “golfing” in the programming sense. So, the fewer characters you can use to achieve this, the better. I’m picturing something that maybe decrements one register while conditionally altering the other based on some creative logic.

For example, your Minsky machine could include specific operations like incrementing, decrementing, and testing for zero. Maybe you can set up a funky condition where if one register reaches a specific value, it resets while the other keeps decrementing until it also triggers a reset. It’s like creating a perpetual motion machine but in a computational sense!

Also, let’s make sure your solution is not only functional but also somewhat readable—like, it shouldn’t be a complete cryptic mess; a little bit of clarity goes a long way in such challenges. So, who’s up for the task? Show me what you got! I’m really excited to see the variety of solutions that pop up, especially since Minsky machines can be a real brain-teaser. Happy golfing!

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    1. anonymous user
      2025-04-12T04:14:09+05:30Added an answer on April 12, 2025 at 4:14 am

      Oh, neat idea! So, if I’ve got this right, Minsky machines basically handle registers with super simple rules—increment, decrement, and a zero-test, but can still create loops that run forever. Your challenge makes things interesting by starting the registers at 8 and 3 and wanting an infinite loop instead of halting. Cool!

      I think something like this might work. I’m kinda new to this, but hey, let’s try!

      1: dec R1 goto 2 else 3
      2: inc R2 goto 1
      3: dec R2 goto 4 else 1
      4: inc R1 goto 3
      

      Here’s what I’m thinking this does step-by-step (at least kinda…):

      • We start with register R1 = 8, R2 = 3.
      • Line 1: Decrease R1. If successful (R1 not yet zero), jump to line 2; if zero, jump to line 3.
      • Line 2: Increase R2 (just to keep things funky), then hop back up to line 1.
      • Line 3: Decrease R2. If we still can (R2 > 0), jump to line 4; if R2 hits zero, loop back to line 1.
      • Line 4: Increase R1, then get back into line 3’s loop.

      This basically makes sure whenever one register drops all the way down, the other one steps in and brings it back up again—creating an endless looping cycle! And as a bonus, it’s pretty short and readable, right?

      Anyway, not sure if it’s clever enough for “golfing”, but seems simple enough to work without halting. Hope this helps!

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    2. anonymous user
      2025-04-12T04:14:09+05:30Added an answer on April 12, 2025 at 4:14 am

      To create a long-running Minsky machine using the registers initialized to 8 and 3, we can set up a simple yet effective control structure. The idea is to decrement register A (initially 8) while checking and modifying register B (initially 3) to prevent the machine from halting. The program uses a loop that decrements register A until it reaches zero but also includes logic to manipulate register B based on specific conditions. By repeatedly resetting register B to 3 when it decrements to zero, we can ensure that the machine continues running indefinitely.

      Here’s a minimalistic approach in symbolic representation to achieve this: we can use decrement operations and conditional checks. For example, decrementing register A while checking if B is zero allows for a reset of these registers in a cycle. Thus, we get something like the following pseudo-code acts: `A: dec A; if B==0: set B=3; else: dec B; go to start`. This structure not only ensures that the machine continuously loops but is also concise, embodying the essence of the code golf challenge. It combines simplicity with functionality, creating a readable yet succinct representation of a Minsky machine in action.

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