Logic Masters Deutschland e.V.

Skyscraper Killer Sudoku

(Eingestellt am 30. Oktober 2020, 17:22 Uhr von SudokuExplorer)

A skyscraper cage/line has the following properties:
It is an orthogonally connected region of width one (form a line of cells).
No digit repeats in the cage/line.
Each cell of the line is a skyscraper with that height.
This line is observed from both ends of the line, and higher skyscrapers block the view of lower skyscrapers.
The sum of all visible skyscrapers is the same when observed from either end of the line.
This common sum is written at the top-left corner of some skyscraper cages (and wherever this common skyscraper sum is not given, you must work it out during the solve).

For example, the line of skyscrapers 45386712 has common skyscraper sum 4+5+8=17=2+7+8.

You can solve this on Penpa+ or F-Puzzles. Enjoy!

Lösungscode: Enter 1st and 5th rows

Zuletzt geändert am 31. Oktober 2020, 14:47 Uhr

Gelöst von MagnusJosefsson, ManuH, TimE, cdwg2000, marcmees, CaneloC, Storm, tyb, Skyler, adam001, NikolaZ, AsilG, Dina, StefanSch, Statistica, bigger, Jesper, misko, kublai, LucyH, zorant
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Zuletzt geändert am 4. Januar 2021, 22:59 Uhr

am 4. Januar 2021, 18:15 Uhr von glum_hippo
I'm sorry to say I wasn't aware of this puzzle before making 000536... what a remarkable mind-meld we've had! Look forward to trying this one soon.
Haha, I'm glad you also came up with a similar idea (it gave me a chance to solve one!). I hope you'll like it :-)

Zuletzt geändert am 20. Dezember 2020, 17:20 Uhr

am 17. Dezember 2020, 16:31 Uhr von Dina
A gentle introduction to a fun killer variant. I hope you make more in the future :-)
I'm pleased you enjoyed the ruleset! It's likely I will explore it again in the future :-)

Zuletzt geändert am 3. November 2020, 13:47 Uhr

am 2. November 2020, 02:43 Uhr von Storm
Very interesting ruleset! Thanks for the introduction :-)

I'm glad you enjoyed it :-)

Zuletzt geändert am 3. November 2020, 13:48 Uhr

am 2. November 2020, 01:16 Uhr von CaneloC
Interesting killer variant! 4-cell cages are quite special in this variant. Thanks for the fun puzzle :-D

They are special, indeed! I'm pleased you were entertained :-)

am 1. November 2020, 13:42 Uhr von SudokuExplorer
@TimE Thanks for the feedback. :-)
I tried to make it approachable since it was a new variant (and not everyone has solved a skyscraper puzzle before).

Zuletzt geändert am 31. Oktober 2020, 22:02 Uhr

am 31. Oktober 2020, 21:56 Uhr von TimE
Easier than expected! Interesting variant which combines skyscrapers with killer cages. Enjoyed the interaction of the 6-cell skyscraper lines! :-)
Would love to try a harder one in the future.

am 31. Oktober 2020, 14:41 Uhr von SudokuExplorer
Clarified that all cages/lines are skyscraper lines (including those whose common skyscraper sum is not given).

am 31. Oktober 2020, 14:10 Uhr von SudokuExplorer
@cdwg2000 Think of the skyscrapers as being fenced off (instead of being trapped in a cage ;-)).

If you were being serious, then all cages/lines in this sudoku are skyscraper lines. Including the ones whose common skyscraper sums are not given (they are to be worked out for each skyscraper cage/line during the solve).

am 31. Oktober 2020, 07:21 Uhr von cdwg2000
Excuse me: Can there still be skyscrapers in the cage!!!

am 30. Oktober 2020, 21:22 Uhr von SudokuExplorer
Added example of skyscraper line/cage to f-puzzles rule set

am 30. Oktober 2020, 18:29 Uhr von SudokuExplorer
Inspiration for this puzzle type comes from Undar Beyond's Lunchbox idea (sandwich clues inside killer cages/lines)

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