MindMine #8
In the grid below, the number in each cell represents the number of neighboring cells which are shaded, including the diagonals but not including the cell itself: How many of the cells are shaded?
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1 solution
Start at upper right corner and focus on 'hiding' the shades from that corner's 1 for what would have belonged to the third row's two 3s. Don't forget to make use of the 5, two 4s and the opposite corner's 1 as you go along.
Answer : Shaded cells would be (1, 2) = 2 --> (1, 3) = 2 --> (2, 3) = 4 --> (3, 3) = 3 --> (3, 2) = 4 --> (4, 2) = 3 --> (4, 1) = 2 , for a total count of 7 cells.