打印直角三角形

来源：互联网发布：数据库相关期刊编辑：程序博客网时间：2024/04/30 11:09

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace 打印直角三角形{    class Program    {        static void Main(string[] args)        {            //方法1：for   循环            for (int i = 1; i <= 5; i++)            {                for (int j = 1; j <= i; j++)                {                    Console.Write("*");                }                Console.WriteLine();            }            //方式2：while循环            int num1 = 1;            while (num1 <= 5)            {                int num2 = 1;                while (num2 <= num1)                {                    num2++;                    Console.Write("*");                }                num1++;                Console.WriteLine();            }            //方式3：do-while循环            int Sum1=1;            do            {                int Sum2 = 1;                do                {                    Sum2++;                    Console.Write("*");                } while (Sum2 <= Sum1);                Sum1++;                Console.WriteLine();            } while (Sum1 <= 5);            Console.ReadLine();        }    }}

--SQL 双重循环declare @num int declare @sum int declare @str nvarchar(8)set @num=1set @sum=1set @str=''while(@num<=5)beginwhile(@sum<=@num)beginset @str+='*'set @sum+=1endprint @strset @num+=1end--SQL 单层循环declare @a nvarchar(8)declare @b intdeclare @c nvarchar(8)set @a='*'set @b=1set @c=''while(@b<=5)beginset @c+=@aprint @cset @b+=1end

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