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Forum: Puzzles 2020-10-14, 17:20
Replies: 21
Views: 1,280
Posted By Dieter
For me, the explanation of uau (#10) was the...

For me, the explanation of uau (#10) was the breakthrough for the understanding of the challenge.
Forum: Puzzles 2020-10-12, 16:33
Replies: 21
Views: 1,280
Posted By Dieter
7 solvers on the 11th of the month! In May 2019...

7 solvers on the 11th of the month! In May 2019 (several people want to cross a river, but there are restrictions...) there were 5 solvers on the 10th. Oded gave one more month to solve the...
Forum: Puzzles 2020-10-06, 05:33
Replies: 21
Views: 1,280
Posted By Dieter
The task makes sense only, if for a given set of...

The task makes sense only, if for a given set of commands the cfg is unique.

If I want to code "if x=0 then goto y else goto z", I have to write:

JMP_ZERO x y
JMP z

JMP_ZERO x y ends the...
Forum: Puzzles 2020-10-05, 20:56
Replies: 21
Views: 1,280
Posted By Dieter
Thank you. Good explanation. The length of a path...

Thank you. Good explanation. The length of a path from the entry node to the exit node is the number of needed edges. a6 = 17 will say that there are 17 different paths from entry to exit needing 6...
Forum: Puzzles 2020-10-05, 10:17
Replies: 21
Views: 1,280
Posted By Dieter
It's no problem to write a code with 20 lines...

It's no problem to write a code with 20 lines (not using "chaos lines", of course) for the search of the gcd, if I take a>b>0 for granted, and to draw the control-flow graph. But the paths are...
Forum: Puzzles 2020-10-05, 08:13
Replies: 21
Views: 1,280
Posted By Dieter
Can anyone explain to me - why the ** in...

Can anyone explain to me
- why the ** in "**20** lines"?
- why the $ in "length $n$"?
- which other path than 10-20-30-40-70-90 is possible in the sample program?
- what will say "the number of...
Forum: Puzzles 2020-09-07, 05:43
Replies: 33
Views: 2,795
Posted By Dieter
Needle in a haystack, computing times: When...

Needle in a haystack, computing times:

When I fix a0,...e0,a1,...,e1,a2,...,e2, the code is able to make an exhaustive search of a3,...,e10. Usually it finds 40000...50000 valid games, needing 7...
Forum: Puzzles 2020-09-07, 01:23
Replies: 33
Views: 2,795
Posted By Dieter
There are many games with 5 or 11 and some with...

There are many games with 5 or 11 and some with 9. I have found three games with 55. Seems again to be the search for the needle ...
Forum: Puzzles 2020-09-05, 20:48
Replies: 33
Views: 2,795
Posted By Dieter
Has anyone found an RPS(11) game with more than...

Has anyone found an RPS(11) game with more than 55 automorphisms?
Forum: Puzzles 2020-09-03, 15:38
Replies: 33
Views: 2,795
Posted By Dieter
I wanted to say: 2 becomes 0 and 0 becomes 2,...

I wanted to say:
2 becomes 0 and 0 becomes 2, of course!
Forum: Puzzles 2020-09-03, 15:34
Replies: 33
Views: 2,795
Posted By Dieter
2 becomes 0 and 2 becomes 0. Einfach nur die...

2 becomes 0 and 2 becomes 0.
Einfach nur die zweien und die Nullen austauschen!
Forum: Puzzles 2020-09-01, 11:05
Replies: 33
Views: 2,795
Posted By Dieter
The example 0 -> 1, 3 1 -> 2, 4 2 ->...

The example

0 -> 1, 3
1 -> 2, 4
2 -> 0, 3
3 -> 1, 4
4 -> 0, 2

is consistent, and it has 5 automorphisms, but it isn‘t the usual „Rock-Paper-Scissors-Lizard-Spock" game.
Forum: Puzzles 2020-09-01, 10:54
Replies: 33
Views: 2,795
Posted By Dieter
The examples are unusual. 0 -> 1 1 -> 2 2...

The examples are unusual.
0 -> 1
1 -> 2
2 -> 0 with rps would mean
„rock beats paper and paper beats scissors and scissors beats rock.
Forum: Puzzles 2020-09-01, 10:42
Replies: 33
Views: 2,795
Posted By Dieter
The solution shall be something like 0 ->...

The solution shall be something like
0 -> 1,2,3,4
1 -> 2,3,4,5
.........
8 -> 0,1,2,3
Forum: Puzzles 2020-08-31, 15:08
Replies: 33
Views: 2,795
Posted By Dieter
I think so, too. If rps = 0,1,2, then 0 -> 1...

I think so, too. If rps = 0,1,2, then 0 -> 1 would mean: rock beats paper. When I was a child, a rock was envelopped by paper...
Forum: Puzzles 2020-08-02, 17:11
Replies: 3
Views: 966
Posted By Dieter
For my understanding: „(0,1,2) is a losing...

For my understanding:

„(0,1,2) is a losing position since the possible moves result in the positions (0,1,1) or (0,0,2)“

(0,1,2) can result in the position (0,0,1), too?
Forum: Puzzles 2020-07-21, 07:48
Replies: 6
Views: 1,758
Posted By Dieter
Does anyone of you know, how the new puzzlemaster...

Does anyone of you know, how the new puzzlemaster reacts to submissions that aren‘t correct? Oded has answered every time very fast - that was a good way to help. But I guess that he wasn‘t obliged...
Forum: Puzzles 2020-06-26, 12:28
Replies: 16
Views: 2,816
Posted By Dieter
Thank you for the confirmations! @yae9911:...

Thank you for the confirmations!
@yae9911: Thank you. Otherwise I would have given up. It is a critical point, if a number fits into one register or not.
Forum: Puzzles 2020-06-25, 12:48
Replies: 16
Views: 2,816
Posted By Dieter
Big numbers, not many solvers. Can anyone...

Big numbers, not many solvers.

Can anyone check the following - it‘s not the solution, of course:

x = 2**7 * 5 * 23 * 127 * 659 * 53323 * 1876187 * 97544836889 * 665320793909
=...
Forum: Puzzles 2020-04-27, 20:35
Replies: 44
Views: 6,356
Posted By Dieter
We were seeking the answer of Day 19 (which can...

We were seeking the answer of Day 19 (which can give a solution with a better approximation), but we also accepted answers for Day 10.

Could that be „Konjunktiv“? We also would accept... (wir...
Forum: Puzzles 2020-04-27, 07:44
Replies: 44
Views: 6,356
Posted By Dieter
Are there many equivalent adjacency matrices with...

Are there many equivalent adjacency matrices with 70,0074873 % after 10 days or is my code wrong?
Forum: Puzzles 2020-04-08, 17:19
Replies: 44
Views: 6,356
Posted By Dieter
Wasn‘t sure if it is spoiling

Wasn‘t sure if it is spoiling
Forum: Puzzles 2020-02-24, 07:46
Replies: 20
Views: 8,151
Posted By Dieter
My best configuration contains the pair [26,25]....

My best configuration contains the pair [26,25]. If I change the position with frozen length I get:

[25,24] 42,265...
[26,25] 66,978705008 (error = 4,42*10**(-10))
[27,26] ...
Forum: Puzzles 2020-02-21, 10:03
Replies: 20
Views: 8,151
Posted By Dieter
Thank you! My first 67 digits after the point are...

Thank you! My first 67 digits after the point are the same - applying the formulas of Althoen etc. using 256 bit floats I cannot demand more.
Where do your digits come from? Have you calculated...
Forum: Puzzles 2020-02-19, 07:50
Replies: 20
Views: 8,151
Posted By Dieter
Just for fun and comparison: Do you have more...

Just for fun and comparison: Do you have more digits after the point? I have computed the case without ladders and snakes using octuple-precision floats (256 bit).
You have:
...
Showing results 1 to 25 of 95

 
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