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Nickleaton / sudoku

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X-Sums Sudoku Puzzle #206

Open Nickleaton opened 2 years ago

Nickleaton commented 2 years ago

https://www.funwithpuzzles.com/2018/06/x-sums-sudoku-puzzle.html

Additionally the clues outside the grid indicate the sum of the first X numbers placed in the corresponding direction, where X is equal to the first number placed in that direction.

Nickleaton commented 2 years ago

Think product values

y = x · d for one continuous variable x, one binary variable d

d being the choice.