C# Online Compiler | .NET Fiddle

<no name> by Anonymous

int[][] minesweeper(bool[][] matrix)
        {
            int[] dx = new int[] { -1, -1, -1, 0, 0, 1, 1, 1 };
            int[] dy = new int[] { -1, 0, 1, -1, 1, -1, 0, 1 };

            int[][] result = new int[matrix.Length][];
            for (int i = 0; i < matrix.Length; i++)
            {
                result[i] = new int[matrix[0].Length];
            }

            for(int row = 0; row < result.Length; ++row)
            {
                for (int column = 0; column < result[0].Length; ++column)
                {
                    int value = 0;
                    
                    for (int i = 0; i < dx.Length; ++i)
                    {
                        int row_ = row + dx[i];
                        int column_ = column + dy[i];
                        if (row_ >= 0 && column_ >= 0 && row_ < matrix.Length && column_ < matrix[0].Length)
                        {
                            if (matrix[row_][column_])
                            {
                                value++;
                            }
                        }
                    }
                    result[row][column] = value;
                }
            }

            return result;
        }

​x
 
int[][] minesweeper(bool[][] matrix)
        {
            int[] dx = new int[] { -1, -1, -1, 0, 0, 1, 1, 1 };
            int[] dy = new int[] { -1, 0, 1, -1, 1, -1, 0, 1 };
​
            int[][] result = new int[matrix.Length][];
            for (int i = 0; i < matrix.Length; i++)
            {
                result[i] = new int[matrix[0].Length];
            }
​
            for(int row = 0; row < result.Length; ++row)
            {
                for (int column = 0; column < result[0].Length; ++column)
                {
                    int value = 0;
                    
                    for (int i = 0; i < dx.Length; ++i)
                    {
                        int row_ = row + dx[i];
                        int column_ = column + dy[i];
                        if (row_ >= 0 && column_ >= 0 && row_ < matrix.Length && column_ < matrix[0].Length)
                        {
                            if (matrix[row_][column_])
                            {
                                value++;
                            }
                        }
                    }
                    result[row][column] = value;
                }
            }
​
            return result;
        }

Compilation error (line 1, col 1): A namespace cannot directly contain members such as fields or methods
Compilation error (line 1, col 5): Identifier expected
Compilation error (line 1, col 7): Identifier expected
Compilation error (line 1, col 9): Expected class, delegate, enum, interface, or struct
Compilation error (line 1, col 26): Identifier expected
Compilation error (line 1, col 28): Identifier expected
Compilation error (line 1, col 30): Expected class, delegate, enum, interface, or struct
Compilation error (line 3, col 17): Identifier expected
Compilation error (line 3, col 19): Expected class, delegate, enum, interface, or struct
Compilation error (line 3, col 28): Expected class, delegate, enum, interface, or struct
Compilation error (line 3, col 32): Identifier expected
Compilation error (line 3, col 34): Expected class, delegate, enum, interface, or struct
Compilation error (line 3, col 62): Type or namespace definition, or end-of-file expected

Last Run:	8:34:33 am
Compile:	0s
Execute:	0.04s
Memory:	0b
CPU:	0s

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