for (int i = 1; i <= 20; i++)
{
for (int j = 1; j <= 20; j++)
{
if (i == 1 || i == 10 || i == 20 || j == 10)
{
Console.Write("○");
}
else
{
Console.Write(" ");
}
}
Console.WriteLine();
}
Console.WriteLine();
Console.WriteLine();
for (int i = 1; i <= 20; i++)
{
for (int j = 1; j <= 20; j++)
{
if (i == 1 || j == 15 || i == 4 && (j > 4 && j < 11) || i == 12 && (j > 4 && j < 11) || j == 5 && (i > 4 && i < 12) || j == 10 && (i > 4 && i < 12) || i == 19 && j == 14 || i == 18 && j == 13)
{
Console.Write("○");
}
else
{
Console.Write(" ");
}
}
Console.WriteLine();
}
原文:http://www.cnblogs.com/lovesy2413/p/4313472.html