2020-04-03 과제

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace Study_002
{
    class App
    {
        public App()
        {
            
//이중반복문
 
            /*
            for (int i = 0; i < 3; i++) {
 
                for (int j = 0; j < 3; j++) {
                    Console.WriteLine("홍길동");
                }
                Console.WriteLine("\r");
            }
            */
 
            /*
            for (int i = 0; i < 5; i++)
            {
                for (int j = 0; j < 5; j++)
                {
                    Console.Write("*");
                }
                Console.Write("\n");
            }
            */
 
            /*
             * 
            for (int i = 1; i < 6; i++)
            {
                for (int j = 1; j < i+1; j++)
                {
                    Console.Write("*");                
                }
                Console.Write("\n");
            }
            */
 
            /*
 
            for (int i = 0; i < 5; i++)
            {
                for (int j = 0; j < 5-i; j++)
                {
                    Console.Write("*");
                }
                Console.Write("\n");
            }
 
            */
 
 
            int num = 5;
 
            for (int i = 0; i < num; i++)
            {
                for (int j = num - 1; j > i; j--)
                {
                    Console.Write(" ");
                }
 
                for (int j = 0; j < 2 * i + 1; j++)
                {
                    Console.Write("*");
                }
                Console.Write("\n");
            }
 
 
        }
    }
}