回答編集履歴
1
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        answer	
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    | @@ -3,12 +3,12 @@ | |
| 3 3 |  | 
| 4 4 | 
             
            ```C#
         | 
| 5 5 | 
             
            var list = Enumerable
         | 
| 6 | 
            -
            	.Range( | 
| 6 | 
            +
            	.Range(data.GetLowerBound(0), data.GetUpperBound(0) + 1)
         | 
| 7 7 | 
             
            	.SelectMany(x =>
         | 
| 8 8 | 
             
            	{
         | 
| 9 9 | 
             
            		return Enumerable
         | 
| 10 | 
            -
            			.Range( | 
| 10 | 
            +
            			.Range(data.GetLowerBound(1), data.GetUpperBound(1) + 1)
         | 
| 11 | 
            -
            			.Select(y => new { X = x, Y = y, Value =  | 
| 11 | 
            +
            			.Select(y => new { X = x, Y = y, Value = data[x, y] });
         | 
| 12 12 | 
             
            	})
         | 
| 13 13 | 
             
            	.ToList();
         | 
| 14 14 | 
             
            foreach (var i in list) Console.WriteLine(i);
         | 
