using System;
public class Test
{
class Foo{}
public static void Main()
{
Foo[,] matrix = new Foo[10, 10];
for(int y = 0; y < matrix.GetLength(0); ++y){
for(int x = 0; x < matrix.GetLength(1); ++x)
Console.Write("{0} ", matrix[x, y] == null);
Console.WriteLine();
}
}
}
dXNpbmcgU3lzdGVtOwoKcHVibGljIGNsYXNzIFRlc3QKewoJY2xhc3MgRm9ve30KCXB1YmxpYyBzdGF0aWMgdm9pZCBNYWluKCkKCXsKCQlGb29bLF0gbWF0cml4ID0gbmV3IEZvb1sxMCwgMTBdOwoJCWZvcihpbnQgeSA9IDA7IHkgPCBtYXRyaXguR2V0TGVuZ3RoKDApOyArK3kpewoJCQlmb3IoaW50IHggPSAwOyB4IDwgbWF0cml4LkdldExlbmd0aCgxKTsgKyt4KQoJCQkJQ29uc29sZS5Xcml0ZSgiezB9ICIsIG1hdHJpeFt4LCB5XSA9PSBudWxsKTsKCQkJQ29uc29sZS5Xcml0ZUxpbmUoKTsKCQl9Cgl9Cn0=