MegaTom

Is there a graphical interface for this KOTH? The bots seem to have associated colors, not used in the text output.

@DJMcMayhem devisor count in 102 bytes Try it online!

@DJMcMayhem I see your point. You could take the number of numbers beforehand, not super graceful, but it's the best I can think of right now.

@DJMcMayhem the solution to not being able to get the length of input, is a end of file symbol. (0 is what I would use) Then just read until you hit that number.

not the most efficient or golfed I know, but it can do a lot.

Try it online!

I just implimented the cantor pairing function! en.wikipedia.org/wiki/Pairing_function#Cantor_pairing_function

It dose it by simulation of a minsky machine. I do remember that a little now.

Can someone point me to a definition for miniflak? And the other variants for that matter.

@Riley your last solution (46 byte) seams not to work.

@DJMcMayhem looks stack clean to me. can you give a counter example?

@Riley I don't know. It has bean a bit since I wrote the code. I have no clue how it works.

The above link is to grater than or equal to zero. in 50 bytes.

tio.run/nexus/brain-flak#FcixDQAwDALBdaDLAMiLRJkEMbtjV6/…

see: tio.run/nexus/brain-flak#@69RbVNda1ddq2GjoWmnWQviaP7/b8BlCAA

No. on 0,0 yours gives 0,0 not 0

It is all based on the idea of ({...}()), using an if block to get the value to push.

tio.run/nexus/…

On another note, I have a new, shorter set of logic operators.

This beat the older solution by a good margin.

See: brain-flak.tryitonline.net/…

({(({}[()])){({}[()])}{}}{}) yields (n-1)*n*(n+1)/6. I think this is the shortest known cubic function. It may be useful for metagolf, as it gets to big numbers faster than its quadratic counterparts.

Thank you. I got the purpose of the two D registers mixed up.

@WheatWizard is 0 a valid register?

@WheatWizard I was looking at your code but don't quite get the language you are translating from. Could you explain it and write an example program in it?

Yes. You normally need two stacks. But unbounded ints can do cool stuff.

I do not think it possible to reduce it any more.

That works.

Can you exclude all three simultaneously?

You also use no [] nilad.

@WheatWizard I knew it was possible!

@1000000000 That is a cool proof in the answer.

I think (And am close to proving) that one stack Brain-Flak is Turing complete. Basically, I think a brain-flak program can implement a Minsky machine with the top two elements of the stack.

18. ... Qxg7
  +---+---+---+---+---+---+---+---+
8 |   |  .|bK |bR.|   |  .|   |bR.|
  +---+---+---+---+---+---+---+---+
7 |  .| b | b.|   |  .|   |bQ.| b |
  +---+---+---+---+---+---+---+---+
6 | b |  .|   | b.|   |  .| b |  .|
  +---+---+---+---+---+---+---+---+
5 |  .|   |  .|   | b.|   |  .|   |
  +---+---+---+---+---+---+---+---+
4 |   |  .| w |  .|   |  .|   | w.|
  +---+---+---+---+---+---+---+---+
3 |  .| w |  .|   | w.|   | w.|   |
  +---+---+---+---+---+---+---+---|
2 | w |  .| w |  .|wN |  .|   |  .|

17. ... e5
  +---+---+---+---+---+---+---+---+
8 |   |  .|bK |bR.|   |  .|   |bR.|
  +---+---+---+---+---+---+---+---+
7 |  .| b | b.|bQ |  .|   |wQ.| b |
  +---+---+---+---+---+---+---+---+
6 | b |  .|   | b.|   |  .| b |  .|
  +---+---+---+---+---+---+---+---+
5 |  .|   |  .|   | b.|   |  .|   |
  +---+---+---+---+---+---+---+---+
4 |   |  .| w |wN.|   |  .|   | w.|
  +---+---+---+---+---+---+---+---+
3 |  .| w |  .|   | w.|   | w.|   |
  +---+---+---+---+---+---+---+---|
2 | w |  .| w |  .|   |  .|   |  .|

16. ... Nxe3
  +---+---+---+---+---+---+---+---+
8 |   |  .|bK |bR.|   |  .|   |bR.|
  +---+---+---+---+---+---+---+---+
7 |  .| b | b.|bQ | b.|   |wQ.| b |
  +---+---+---+---+---+---+---+---+
6 | b |  .|   | b.|   |  .| b |  .|
  +---+---+---+---+---+---+---+---+
5 |  .|   |  .|   |  .|   |  .|   |
  +---+---+---+---+---+---+---+---+
4 |   |  .| w |wN.|   |  .|   | w.|
  +---+---+---+---+---+---+---+---+
3 |  .| w |  .|   |bN.|   | w.|   |
  +---+---+---+---+---+---+---+---|
2 | w |  .| w |  .|   | w.|   |  .|

15. ... Nxf1
  +---+---+---+---+---+---+---+---+
8 |   |  .|bK |bR.|   |  .|   |bR.|
  +---+---+---+---+---+---+---+---+
7 |  .| b | b.|bQ | b.|wQ |bB.| b |
  +---+---+---+---+---+---+---+---+
6 | b |  .|   | b.|   |  .| b |  .|
  +---+---+---+---+---+---+---+---+
5 |  .|   |  .|   |  .|   |  .|   |
  +---+---+---+---+---+---+---+---+
4 |   |  .| w |wN.|   |  .|   | w.|
  +---+---+---+---+---+---+---+---+
3 |  .| w |  .|   |wB.|   | w.|   |
  +---+---+---+---+---+---+---+---|
2 | w |  .| w |  .|   | w.|   |  .|

14. Qxf3
  +---+---+---+---+---+---+---+---+
8 |   |  .|bK |bR.|   |  .|   |bR.|
  +---+---+---+---+---+---+---+---+
7 |  .| b | b.|bQ | b.| b |bB.| b |
  +---+---+---+---+---+---+---+---+
6 | b |  .|   | b.|   |  .| b |  .|
  +---+---+---+---+---+---+---+---+
5 |  .|   |  .|   |  .|   |  .|   |
  +---+---+---+---+---+---+---+---+
4 |   |  .| w |wN.|bN |  .|   | w.|
  +---+---+---+---+---+---+---+---+
3 |  .| w |  .|   |wB.|wQ | w.|   |
  +---+---+---+---+---+---+---+---|
2 | w |  .| w |  .|   | w.|   |  .|

@KritixiLithos: The proper notation would be 13. ... Nxf3+

11. h4
  +---+---+---+---+---+---+---+---+
8 |   |  .|bK |bR.|   |bB.|   |bR.|
  +---+---+---+---+---+---+---+---+
7 |  .| b | b.|bQ | b.| b | b.| b |
  +---+---+---+---+---+---+---+---+
6 | b |  .|   | b.|   |  .|   |  .|
  +---+---+---+---+---+---+---+---+
5 |  .|   |  .|   |bN.|   |  .|   |
  +---+---+---+---+---+---+---+---+
4 |   |  .| w |wN.|bN |  .|   | w.|
  +---+---+---+---+---+---+---+---+
3 |  .| w |  .|   |wB.|wN |  .|   |
  +---+---+---+---+---+---+---+---|
2 | w |  .| w |  .|   | w.| w |  .|

I do not know if it is a good idea. I want someone else to check for me before making a mistake.

h4?

Is Nxe4 next?

10. Nf3
  +---+---+---+---+---+---+---+---+
8 |   |  .|bK |bR.|   |bB.|   |bR.|
  +---+---+---+---+---+---+---+---+
7 |  .| b | b.|bQ | b.| b | b.| b |
  +---+---+---+---+---+---+---+---+
6 | b |  .|   | b.|   |bN.|   |  .|
  +---+---+---+---+---+---+---+---+
5 |  .|   |  .|   |bN.|   |  .|   |
  +---+---+---+---+---+---+---+---+
4 |   |  .| w |wN.| w |  .|   |  .|
  +---+---+---+---+---+---+---+---+
3 |  .| w |  .|   |wB.|wN |  .|   |
  +---+---+---+---+---+---+---+---|
2 | w |  .| w |  .|   | w.| w | w.|

6. ... O-O-O
  +---+---+---+---+---+---+---+---+
8 |   |  .|bK |bR.|   |bB.|bN |bR.|
  +---+---+---+---+---+---+---+---+
7 | b.| b | b.|bQ | b.| b | b.| b |
  +---+---+---+---+---+---+---+---+
6 |   |  .|bN | b.|   |  .|   |  .|
  +---+---+---+---+---+---+---+---+
5 |  .|   |  .|   |  .|   |  .|   |
  +---+---+---+---+---+---+---+---+
4 |   |  .| w |  .| w |  .|   |  .|
  +---+---+---+---+---+---+---+---+
3 |  .|   |wN.|   |wB.|   |  .|   |
  +---+---+---+---+---+---+---+---|
2 | w | w.| w |  .|   | w.| w | w.|

What if you can use a move to activate the avatar state. At any time you can set the piece to the avatar state, but you loose a move, and your opponent can prepare... It may still be too powerful, but that depends on the moves of the four element pieces.

Marky looks better.

No. It is just the most resent.

@Zalgo are you here?