Google Code Jam Returns!

<<Given a 49×49 grid of numbers, can you place mines in the cells in such a way that each number represents the number of mines in its 3×3 sub-grid (the cell itself and its 8 immediate neighbors)? Find the maximum number of mines that could end up in the middle row of the grid. Intrigued? Thin…>>   (more…)

See original post by Chris Gilmer