별찍기

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Study01
{
    class Program
    {
        static void Main(string[] args)
        {
            for(int i=0; i<5; i++)
            {
                for(int j = 0; j<=i; j++)
                {
                    Console.Write("*");
                }
                Console.WriteLine();
            }
}
    }
}