Problem 173. Minefield Sonar
In mine-hunting games (e.g. Microsoft Minesweeper), the user is provided with a covered grid that, upon a left click, uncovers a hint as to the bombs around it or a bomb itself. The goal of this problem is to generate this grid based on the placement of a number of bombs and the puzzle size.
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You are provided with the row and column of K mines on a grid, I and J respectively, as well as the number of rows and columns on the grid, M and N respectively. Using this information, generate an M x N grid where the values on the grid represent the number of mines adjacent to that square or, if there is a mine on that particular square, the value -1.
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