Friday, February 12, 2021

Puzzlerium tour: Skyscrapers (Math)

  





Theme: No operators

Rules: Place a number from 1 to N into each cell of the square grid  so that each number appears exactly once in each row and column, where N is the length of the square's side. Each number inside the grid represents a skyscraper of its respective height. In the classic Skyscrapers puzzle, the outside clues would indicate how many skyscrapers are visible in that direction, with smaller skyscrapers hidden behind taller ones. In this variant, the regular clues are removed, and the new clues now indicate the result of one of the four arithmetic operations (+,-,x,/) applied to the regular skyscrapers clues in that row/column. Results are always integral. Operations may be provided as givens beside the result.

About : This variant of Skyscrapers was first proposed by Anurag Sahay.


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