我想输出的是两个三角形，但结果不对。。。

Question

代码：

if(mode = 0)
{
    for(line = 1,list = lineNumber/2;line <= list;line++)
    {
        for(star = 1;star <= line;star++)
        {
            printf("*");
        }
        printf("\n");
    }
    for(line = 1,list = lineNumber/2;line <= list;line++)
    {
        for(star = 1;star <= list+1-line;star++)
        {
            printf("*");
        }
        printf("\n");
    }
} 

在线测试地址：

• http://www.compileonline.com/compile_csharp_online.php
• http://csharppad.com/

Answer 1

using System.IO;
using System;

class Program
{
static void Main()
{
test(10);
Console.ReadLine();
}

public static void test(int lineNumber)
{
    int line = 0;
    int list = 0;
    int star = 0;
    int mode = lineNumber % 2;

    if(mode == 0)
    {
        for(line = 1,list = lineNumber/2;line <= list;line++)
        {
            for(star = 1;star <= line;star++)
            {
                Console.Write("*");
            }
            Console.WriteLine();
        }
        for(line = 1,list = lineNumber/2;line <= list;line++)
        {
            for(star = 1;star <= list+1-line;star++)
            {
                Console.Write("*");
            }
            Console.WriteLine();
        }
    }         
}

}