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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Drawing;
  4. using System.Linq;
  5. using System.Text;
  6. using System.Threading.Tasks;
  7.  
  8. namespace Circles
  9. {
  10.     class Program
  11.     {
  12.         /// <summary>
  13.         /// Структура круга
  14.         /// </summary>
  15.         struct t_circle { 
  16.             public int x, y, d;
  17.             public t_circle(int x, int y, int d)
  18.             {
  19.                 this.x = x;
  20.                 this.y = y;
  21.                 this.d = d;
  22.             }
  23.         }
  24.         static List<t_circle> l_circles = new List<t_circle>();
  25.  
  26.         /// <summary>
  27.         /// Рекурсивно добавляет структуры кругов в массив, пока n>0
  28.         /// </summary>
  29.         static void add_circle( int x, int y, int dia, int n)
  30.         {
  31.             if (n>0)
  32.             {
  33.                 //Console.WriteLine($"{x}, {y}, {dia}, {n}");
  34.                 t_circle t = new t_circle(x, y, dia);
  35.                 l_circles.Add(t);
  36.  
  37.                 add_circle(x - dia / 2, y, dia / 2, n - 1);
  38.                 add_circle(x + dia / 2, y, dia / 2, n - 1);
  39.                 add_circle(x, y - dia / 2, dia / 2, n - 1);
  40.                 add_circle(x, y + dia / 2, dia / 2, n - 1);
  41.             }
  42.         }
  43.  
  44.         static void Main(string[] args)
  45.         {
  46.             Console.Write("Enter depth of circles [1..6] : ");
  47.             string val = Console.ReadLine();
  48.             try
  49.             {
  50.                 int n = Convert.ToInt32(val);
  51.  
  52.                 if (n<1 || n>6)
  53.                 {
  54.                     Console.WriteLine("invalid input!");
  55.                 } else
  56.                 {
  57.                     int dia = Convert.ToInt32(20 * Math.Pow(2, n));
  58.                     int w = dia * 2;
  59.  
  60.                     add_circle(w/2, w/2, dia, n);
  61.  
  62.                     Bitmap bmp = new Bitmap(w, w);
  63.                     using (Graphics graph = Graphics.FromImage(bmp))
  64.                     {
  65.                         Rectangle ImageSize = new Rectangle(0, 0, w, w);
  66.                         graph.FillRectangle(Brushes.White, ImageSize);
  67.  
  68.                         Pen pen = new Pen(Color.Black, 1);
  69.                         foreach (var t in l_circles)
  70.                             graph.DrawEllipse(pen, t.x - t.d / 2, t.y - t.d / 2, t.d, t.d);
  71.                     }
  72.                     string filePath = AppDomain.CurrentDomain.BaseDirectory + $"out_{n}.bmp";
  73.                     bmp.Save(filePath);
  74.                     Console.WriteLine($"Image saved to \"{filePath}\"");
  75.                 }
  76.             }
  77.             catch (Exception e)
  78.             {
  79.                 Console.WriteLine(e.Message);
  80.                 throw;
  81.             }
  82.  
  83.         }
  84.     }
  85. }
  86.  
Success #stdin #stdout 0.02s 16544KB
comments (?)
stdin 
Standard input is empty
stdout 
Enter depth of circles [1..6] : invalid input!
https://ideone.com/LVnfCE
language:
C# (gmcs 5.20.1)
created:
6 years ago
visibility:
public

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