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buvinghausen/MineSweeper.cs

Last active May 27, 2021 01:24
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MineSweeper.cs
using System.Linq;
int[][] minesweeper(bool[][] matrix) =>
matrix.Select((row, i) => row.Select((_, j) =>
matrix.Skip(i - 1).Take(i == 0 ? 2 : 3)
.SelectMany(r => r.Skip(j - 1).Take(j == 0 ? 2 : 3)).Count(m => m) -
(matrix[i][j] ? 1 : 0)).ToArray()).ToArray();
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