4-10解题思路
using System;
using System.Collections.Generic;
using System.Text;
namespace Test
{
class Program
{
static void Main(string[] args)
{
for (int y=1;y<=7;y++)
{
for(int x=1;x<=7;x++)
{
if (x==y || x+y==8)
Console.Write("o");
else
Console.Write(".");
}
Console.WriteLine();
}//请完善代码
}
}
}